PREPARED UNDER THE DIRECTION OF THE GENERAL SUPERINTENDENT, BY SENIOR CAPT. C. H. McLELLAN, R. C. S. (RETIRED), SUPERINTENDING CONSTRUCTION OF LIFEBOATS, LIFE-SAVING APPARATUS, ETC.
KEELSON.To be well-seasoned white oak, 25 feet long, 6 inches deep, siding 5 inches in the wake of the centerboard, and reduced to 4-1/2 inches at the ends.A slot 1 inch wide is to be cut out for the centerboard, and limber holes 1-1/2 inches square will be cut out on the under side, as marked on plan. Calking strips 1-1/2 by 1 inches will be screwed on along this slot ??ly against which the planking will butt.
STEM, APRON, AND FORWARD DEADWOOD.The lower part of the stem to be a white oak natural crook knee in one piece, with scarfs as shown, the stem to side 3 inches at the rabbet, increased to 4-1/2 inches at the inside of the deadwood, and reduced at the forward edge corresponding to the stem band. The upper part or the stem to be of well-seasoned white oak and the apron or locust. The fastenings to be 1/2-inch muntz metal bolts, spaced not more than 9 inches, two bolts passing through the scarfs; the stem to show 4-1/2 inches outside ot the rabbet.
STERNPOST AND AFTER APRON.Sternpost to be cut out of a white oak root knee, siding 3 inches, and molded 5 inches outside the rabbet, and scarfed to the keel. The deadwood is to side 4-1/2 inches, scarfed as shown in the plan, made of white oak well grown to shape, and all fastenings of post and deadwood to be 1/2-inch muntz metal bolts, spaced not more than 9 inches.
GUNWALES.To be of clear, straight-grained white oak, in one length on each side from stem to sternpost, siding and molding 2 inches, to be securely connected at the ends by white oak chocks, with grain athwartships, 8 inches fore and aft inside of the stem and sternpost. The base of these chocks will be 1/2 inch below the top of the gun-wales, and the upper sides worked to the height o£ the end boxes, and extending to outside of planking, and fastened down through each gunwale by three 5/16-inch riveted fastenings, and through the stem and sternpost by two 1/2-inch muntz metal bolts. Stopwaters at joints to stem and sternpost.
DECK SHELVES OR STRINGERS.To be of 1-3/4 by 2 inches clear white spruce, in one length on each side from stem to sternpost, to both of which they are to be securely fastened by hackmatack knees and copper bolts, driven from the out-side and riveted on the inside.
THWART RISINGSTo be 1-3/4 by 2 inches clear white spruce, in one length on each side from stem to sternpost, to which they will be fastened the same as the stringers.
CANT TIMBERSForward and after cant timbers to be of well-seasoned white oak, grown to shape, sided 1-1/2 inches, and molded 2 inches at the heel, and tapered as shown, to extend from the deadwoods to the stringers, and placed as shown in the plan.
FRAMES.Frames to be of properly seasoned white oak, sided 1-1/2 inches, molded 2 inches at the throat and 1 inch at the ends. They are to extend in one piece from the under side of the deck stringer on one side to the deck stringer on the other side, and to be cut in flush with the under side of the keelson, except in the wake of the centerboard trunk, where they will be dovetailed into the keelson. They are to be bent on molds and trimmed to shape, and fastened to the keelson by No. 16 4-inch brass screws. Limber holes 1 inch wide by 1/2 inch deep to be cut on each side of the keelson.
CENTERBOARD TRUNK.The centerboard trunk above the keelson to be of 1-3/4 inches clear southern pine, in not less than four widths, reaching to the under side of the deck; the sides are to be fastened to the 3-inch by 1-inch head-posts by 1/4-inch copper rivets, staggered and spaced 3 inches, and through the keelson and keel with 3/8-inch muntz metal bolts, with nuts and washers, spaced 12 inches, the 1/2-inch bolts for fastening the metal keel to take the place of one-half of them. The keelson and head-posts to be well bedded with white lead and cotton before placing the trunk sides, and all seams to be carefully calked with cotton and payed with marine glue, and made thoroughly water-tight. The continuation of a part of this trunk above the deck up to the thwarts, as shown in the plans, is to be of 1-1/4 inches thick Honduras mahogany, with 2-inch head-posts bolted to the main trunk by 5/16-inch bolts, spaced 9 inches, and covered at the ends and top with the same material, 1-1/4 inches thick, the top let into each thwart, and fastened by 2-1/2-inch No. 14 brass screws into the sides.
BILGE KEELSONS.To be of 1-1/2-inch clear southern pine, 24-1/2 inches deep amidships from skin to underside of deck, and fastened through the frames with 3/8-inch copper bolts riveted over washers, and between the frames with one 3/8-inch copper bolt through and through, and riveted over washers. The lower edges will be dressed true to the shape of the bottom, and be well bedded with white lead and cotton before the planking is laid against them. They will be fastened through the planking with No.18 2-1/2-inch brass screws, spaced 4 inches. These keelsons are in the space between the end boxes, and are placed 4 feet 8-1/2 inches from center to center; the seams to be well calked with cotton, and payed with marine glue.
CROSS BULKHEADS IN HOLD.Two athwartship bulkheads of clear southern pine, in not more than four widths, are to be fitted from the skin to the deck, and located at and secured to the posts of the centerboard trunk, and dovetailed into the bilge keelsons; they are to be fastened to these keelsons by 1/4-inch copper bolts, 6 inches long, spaced 6 inches. Two other bulkheads, forming the lower sections of the bulkheads of the end boxes, are to be located as shown in the plan, and are of the same general description as the above, though extending to the sides of the boat, and against which the bilge keelsons butt and are fastened. The lower edges of these bulkheads will be dressed true to the shape of the bottom, and will be bedded with white lead and cotton before the planking is laid against them. They will be fastened through the planking with 21/2-inch No.18 brass screws, spaced 4 inches.
DECK BEARERS.Deck bearers of clear southern pine, siding 2 inches by 2-1/2 inches deep, whose inner edges are 10-1/2 inches inboard from the inside of bilge keelsons, supporting the inner edges of the fore-and-aft deck planks and outer ends of the athwartship deck planks, are to extend in one length between the end boxes and be partially let into and fastened to the two midship cross bulkheads by No. 16 3-inch brass screws, and supported at the end bulkheads by cleats. The center deck bearer will be 2 inches square; cross bearers under the hatches will be 2 inches square and dovetailed into the bilge keelsons.
PLANKING.Longitudinal soft wood fillers will be temporarily fitted between the frames sufficiently close to make a true form for the planks to bend over. The planks to be of 3/8-inch clear Honduras mahogany, not over 7 inches wide, in two diagonal layers crossing each other at an angle of 45° with the keel amidships. The planks to extend in one length from gunwales to calking strip in wake of centerboard trunk, from gunwales to deadwoods fore and aft, and elsewhere from gunwale to gunwale. Alternate planks in each layer to be fitted first, the remaining planks fitted as shutters. Ten-ounce cotton canvas, in one piece, will be tightly stretched from keel to gunwale, and well bedded in paint, between outer and inner planking. Fastenings in general to be of No. 12 gauge copper nails riveted over copper burrs. Through the gunwales and risings to be No. 9 gauge copper nails. Into keelson and deadwoods, No. 12 2-inch brass screws, spaced not over 1-1/2 inches. The heads of all fastenings on the outside to be carefully counter-sunk with a gauged "Fostner" bit, sufficiently deep to hold the filling, and all nails to be leaded under the head before driving. The nails in the planks will be spaced and staggered as shown in the plan. All outside seams are to be carefully calked with a fine thread of cotton, and payed with mahogany-colored white lead putty.
Fastenings through the planking into the bilge keelsons and athwartship bulkheads will be No. 18 2-1/2-inch brass screws, spaced 4 inches. The outside of the boat will be carefully smoothed off with planes, and rubbed down to a true surface with sandpaper, scrapers not being permitted.
KEEL.The upper part of the keel to be of well-seasoned white oak, to side ?? inches amidships and 3 inches at the scarfs with the stem and stern-???? and of depth as shown in the plan, to accommodate the shape of the metal keel; to be put in place after the planking is on, and fastened with 3/8-inch muntz metal bolts through the keelson, with nuts and washers, spaced 2 feet, and staggered where the wood will permit. It is to be in one piece, with a slot 1 inch wide cut for the center-board and posts, as shown.
METAL KEEL.Under the wooden keel will be a gun-metal keel, siding the .same as the wooden keel, and of varying depths as shown in the plans, with a corresponding centerboard slot, to be fastened by 1/2-inch muntz metal bolts through the keel, planking, and keelson, with nuts and washers, spaced 2 feet, alternating with the fastenings of the wooden keel. The bolts will have countersunk heads, let in flush with the bottom of the keel, and the nuts well set down on the washers on the keelson.
RELIEVING TUBE TRUNKS.To be square, of 1-inch clear white pine, of a size to take the 7-inch relieving tubes, with cants fitted into the corners snugly to the tubes, and having stopwaters at the joints, and fastened together with brass screws. The trunks at their tops will fay against the deck bedded with white lead and cotton, and will be fastened to the deck bearers and bilge keelsons; their bottom ends against the skin, bedded with white lead and cotton, surrounded with a collar of 1 1/2-inch square pine, the collar-fastened to the skin and trunks with brass screws.
LONGITUDINAL DECK PLANKS.The longitudinal deck planks od each side will be of mahogany, 10-1/2 inches wide and 1-1/4 inches thick, to rest upon and be rabbeted into the bilge keelsons and deck bearers, well bedded in white lead and cotton, fastened with No. 14 2-1/2-inch brass screws spaced 6 inches, and made perfectly water-tight. These planks will embrace the relieving tubes and valves.
RELIEVING TUBES.There will be ten tubes of 28-ounce copper, 7 inches inside diameter, extending from the deck to the bottom, with 1-inch flange on the outside of the planking, let in flush, and well flanged on the deck
under the valve flanges, the flanges on both ends to be well bedded in lead and fastened with No. 7 1/2-inch brass screws spaced 1 inch. The six screws of the valve flanges passing through the top flanges of the tubes will take the place of that number of tube fastenings.
TESTING COMPARTMENTS.Before the decks are laid and after the relieving tubes are in place, each of the eight compartments formed by the bulkheads, bilge keel-sons, and centerboard trunk, will be filled with water, separately to discover and remedy leaks, and each compartment will be empty before another is filled.
END BOXES.The end boxes are of the lengths stated in the "Principal dimensions" the forward bulkhead to have a rake of 1-1/2 inches to the foot. The bulkheads of the end boxes are continuations of the two end athwartship bulkheads in the hold. Above the deck the fronts will be completed with Honduras mahogany in two layers of 1/2-inch by 7-inch strips, the inside layer to be horizontal, the outside layer vertical. They will have 10-ounce cotton between them, to be well painted, and fastened in the same manner as the planking of the hull. They are to be double rabbeted at their lower ends into the sill pieces of 9-inch by 1-1/2-inch mahogany, which overlaps the lower bulkhead 2 inches and is riveted to it by No. 8 gauge copper nails, spaced 3 inches, and they are also rabbeted at the sides and tops into the boundary cants, which will be of white oak siding 2-1/2 inches and molded 3 inches. The cants will be composed of not more than three pieces, well grown to shape, and carefully scarfed together and to the lower sill pieces, the scarfs being laid with drilling and white lead, and well riveted, They will be through fastened at the gunwales and risings by 5/16 inch muntz metal bolts, and elsewhere through the planking by No. 18 2-1/2-inch brass screws spaced not more than 4 inches, the joints made with white lead and drilling and carefully calked. There will be a tiebeam fitted from gunwale to gunwale on the inside of the forward bulkhead to receive the fastenings of the bulkhead and of the mast thwart on the after side of the bulkhead; the tiebeam and mast thwart to be of white oak siding 2 inches and 4-1/2 inches wide, the latter fastened to the gunwales by gun-metal knees, all well bolted together. Doors are to be fitted in the openings as marked in the plans, made of two layers of mahogany like the bulkheads, with 2-inch by 1-inch frames on the backs, riveted through and through, with rubber gaskets let into the casings, and brass angle strips on the doors to engage the gaskets. A brass plate will be fitted on the door sills to prevent wear. The forward door will be hung on two heavy brass port or ice-box hinges, and fastened with two clamp fasteners on the opposite side; the after door will be hung on three similar hinges, and have three clamp fasteners on the side, also one on the top and one on the bottom of the door.
Two deck lights with 6-inch glass and brass frames will be fitted in the after bulkhead, and one in the top of the box, as shown; the top light will be protected by two brass rods. A brass ventilator 7 inches in diameter, with four openings, closed bv an inside disk with corresponding openings and blanks, made to close water-tight by a 4-inch button on the center pin, will be placed in the after door and on top of the box, as shown. A ventilator with a 1-3/4-inch opening will be placed in the.top of the forward end box, near the bulkhead, to allow gas to escape. The main deck will be continued in the forward end box, with a hatch, as shown. The tops of the end boxes are to be of clear white cedar, in two layers of 1/2-inch by 3-inch strips, worked diagonally with each other, with 10-ounce cotton canvas laid in paint between them, and fastened together similar to the end bulkheads; and the ends of the two layers will be worked in separate rabbets in the tops of the boundary cants, chocks at the stem and stern post, and the white oak chocks placed on the tops of the gunwales and planking; the last-named chocks are to be 3 inches deep at the boundary cants and 2 inches deep at the end chocks; they must be straight-grained, well steamed, and fay closely to the tops of the gunwales and planks, and be fastened through the gunwales with No. 5 gauge copper nails, riveted over burrs, spaced 5 inches. The tops are to be supported by beams or carlins of hackmatack, sided 1-1/4 inches and molded 2-1/2 inches on top, and spaced about 1 foot. They will step upon the risings and be fastened through the planking between the risings and gunwales, be partly let into the gunwales and side chocks, and consist each of not more than three pieces, well grown to shape and scarfed, the scarfs to be with butted lips, with not less than four nails riveted over burrs in each, and shifted in alternate beams. A fore-and-aft 2-inch by 4-inch brace of white oak will be fitted and fastened in the center of the top of each box, the ends butting against the boundary cants and deadwoods at the stem and stern, the upper side to be notched up under the carlins as necessary, all fastenings to be of copper. Througn the top of the forward box, and against the bulkhead, will be fitted a towing bitt or bollard of straight-grained, clear locust, 5 inches square, reaching to and mortised into the tiebeam, and extending 10 inches above the top of the box. It will be braced from the tiebeam to the underside at the top of the box with 2-inch by 4-inch oak braces, securely fastened at the ends. On each side of this bitt will be framed fore-and-aft carlins of 2-inch by 4-inch hackmatack, let into the boundary cant and carlin, to form a calking seam around the bitt and for the support of the top covering. The fore-and-aft oak brace will be joined to the bitt by a hackmatack knee running well down on the bitt. The bitt above the deck will be squared to a bitt-head finish, and have a 1/8-inch thick brass plate on its top. The tops of the boxes are to be covered with No. 0 cotton canvas in one piece, laid in white lead and fastened with copper tacks under the upper fenders at the sides and under a hard-wood batten on the tops of the boundary cants.
Hand battens, or grab rails, of 1-1/4-inch by 1-3/4-inch white oak will be placed on the tops of the boxes as shown, ami fastened into each bearer and into the boundary cants and end chocks with No. 18 3-1/2-inch brass screws. Hand holes, 5 inches long and giving 1 inch clearance from the top of the box. are to be cut out between the screws in these battens. Two 2-inch brass tubes will extend from the top of the after end box near the bulkhead to within 1 foot of the keelson, for ventilation. Gun-metal hoods will be fitted to the tops of these tubes to preven' the ingress of water, as shown.
AIR CASES IN HOLD.All of the available space below the deck between the end boxes, and in the forward end box below the deck, not used for fuel and compressed-air tanks, will be filled with air cases made of 18-ounce copper, fitting the spaces closely and placed as shown in the plans. Each case is to be made perfectly air-tight and tested by submersion in water of 105° F. All air cases are to be made removable through the hatches and fitted with wire handles, recessed. The larger cases are to be stiffened on inside with suitable copper nbs. Between all cases when stowed in the hold there will be placed paddings of 1/8-inch white cedar to prevent friction. The padding pieces to have two coats of paint before putting in place. At the pumps the cases are to be partially fitted around them. All cases to have two coats of brown paint.
DECKS.All deck planks to be of clear Honduras mahogany. The deck on the outside of the longitudinal planks to be worked in two layers diagonally, of 3/8-inch mahogany, with 10-ounce cotton laid in paint between, and fastened with copper nails riveted over copper burrs on the under side, supported upon 3/4-inch by 4-1/2-inch bearers dovetailed into the deck stringers and bilge keelsons and fastened with No. 12 1-inch brass screws. These outboard sections of the deck have to be fitted, removed, and riveted and then replaced. This part of the deck is laid \ inch higher at the shelves than at the keelsons. The deck between the longitudinal deck planks is to be laid athwartships, 7/8-inch thick and not more than 7 inches wide, and fastened with No. 12 1-1/2-inch brass screws, three in each end and two in the center deck bearer. The whole of the under side of the deck is to be painted with two coats of white paint, the seams carefully calked with cotton and payed with marine glue, the top of the deck to be planed and sandpapered before varnishing.
HATCHES.The hatches are to be of 1-1/4-inch dry Honduras mahogany, in one piece, with cross cleats screwed to them on the undersides, and each with two brass ringbolts, 3/16-inch by 2 inches, let into the hatch flush, the bolts riveted over burrs on the under side of the cross cleats. The edges of the hatches are to bevel 3/16 of an inch under all around, and to be covered, with fearnaught soaked in hot tallow, to make water-tight seam.
The hatches will be secured in place by brass plates 1/4- inch thick by 3-1/2 inches by 2 inches, riveted to the hatches and screwed into sockets with flanges let into the deck from the under side, insuring the hatches being kept snugly down in the rabbet; the tops of the plates to be let in flush with the deck. In the center of each hatch will be a 5-inch brass deck plate, with rubber gasket, for ventilating the compartment below the hatch.
PUMPS.Four pumpms will be placed as shown, the barrels to be of 48-ounce ' copper 3 inches in diameter, with chamber at the top 3 inches deep and 4 inches in diameter, with flange and plate to let into the deck. The chambers an? to receive the handles when the plates are on. The lower boxes are to be of brass with leather valves, and fixed bail handles by which they can be drawn. The spear is to be of brass, with leather valve and fixed bail handle, into which the 1/2-inch brass spear rod is screwed and riveted. A brass handle 3-1/2 inches long is properly attached to the upper end of the spear rod". The- bottom of me pump is fastened to trie skin and will have sufficient intakes. Bilge pumps—see addendum between pages 5 and 6.
DRAINAGE PLUGS.Deck plates with 1-1/4-inch openings and screw plugs seating on rubber gaskets will be let into the lowest part of each compartment from the outside for draining the compartment and for ventilation; all to have composition keys.
RELIEVING VALVES.Snugly fitted in the top of each relieving tube will be a flanged cylinder of gun-metal fitted with a self-acting balanced valve, as shown on the plan, the axis of the valve to be athwartship, the valves to have rubber gaskets. The flanges of the cylinders are to be let into the deck flush, bedded in white lead over the flanges of the tubes, and fastened with suitable screws. For the protection of the valves each will have a movable guard or grating of gun-metal, to be locked as shown.
THWARTS.Thwarts of 1-1/2-inch by 8-inch mahogany will be placed as shown in the plan, to be fastened to the risings by two 1/4-inch muntz metal bolts in each end, with nuts set up over washers. Finished gun-metal knees of the pattern shown, 1-1/2 inches wide and 1/2 inch thick, are to be let into the thwarts flush and fastened with three 3/8-inch copper rivets through the gunwales and sides of the boat and likewise through the thwart. Filling pieces will be fitted between the knees and sides of the boat under the gunwales. The after-thwart will be made removable by cutting with beveled joint inside of the air-case battens, and fastened underneath with brass bolt.
AIR CASES ABOVE DECK.Air cases for the deck to be of the same material and to be tested in the same manner as those for the hold. They are to be fitted to the sides of the boat under the thwarts between the end boxes and
will butt under the thwarts. Their backs are to fit out against the sides of the boat and around the risings, and they are to be kept 3/8 of an inch from the deck by hollow copper disks 2 inches in diameter, soldered to the corners and midway on each side. All air cases are to be made in the best manner, joints hooked and grooved as far as practicable, and where joints are lapped, which will be only where necessary, they will be soldered at each edge. The ends are to be sunk, and the cases will be kept as light as possible by using as little solder as is possible for good and sub stantial work. Each case, both for the hold and deck, will be numbered and marked "P" or "S," according as it belongs on the port or star-board side of the boat, the numbers to start from the forward end of the boat. The numbers and letters are to be cut from copper or cast from brass, to be 1/2 inch long, and soldered to the fronts of the cases above deck and to the tops of those below.
AIR-CASE BATTENS ABOVE DECK.The inboard sides of the cases on deck are to be held in place by frames in two sections on each side, each section to consist of two longitudinal battens, rivet-fastened to uprights under each thwart. The uprights to step into mahogany cleats 7 inches long, 3-1/2 inches wide, and 1-1/2 inches thick, which will be held in place by brass thumb screws working in brass sockets with solid bottoms. The uprights serve as supports to the thwarts, and their tops are held in place by swinging buttons under the thwarts turning around a 3/8-inch bolt which passes through the thwart with nut under the button. The battens will be of mahogany, 3/4-inch thick, of widths and spaced as shown in the plan. The uprights will be of mahogany, 3-1/2 inches by 1 inch. Upon the thwarts, over the air cases, will be mahogany battens 3/4 inch thick, in one length between the end boxes, and of the widths and spaced as shown in the plan, fastened by two No. 12 1-1/2-inch brass screws in each batten to each thwart, and clamped by mahogany battens 3 inches by 3/4-inch, underneath in the spaces between the thwarts and end boxes.
CENTERBOARD.The centerboard will be of rolled sheet spring brass for body and horn, 1/2 inch thick, 7 feet long from center of King pin, and of the shape as shown in plan. Brass shoulders 1/2 inch square will be riveted on each side of the top of the horn. All edges will be rounded and filed off smooth. The handle at the forward end to be 3/4 inch square, with double cheeks on the after side of the lower end to embrace the Lower corner of the board, through which cheek pieces and the board a 1-inch bolt will pass, countersunk and riveted on both sides; and to have a hook on the forward side of the same end, as shown, to engage and rest upon a 1-inch bolt rivet-fastened through the keel. The top of the handle will have an eye for a 1-inch bolt, which passes through a chock secured over the top of the trunk and through the hole in the upper end of the handle. The centerboard is to be held in place when housed in the hull by a 1-inch bolt passing through the box in the upper part of the trunk
and a hole in the base of the horn; when down, the shoulders at the top of the horn rest on metal cheeks inside of the main trunk, and the bolt is passed through the cheeks above the shoulders on the end of the horn to prevent the moving .of the centerboard in case of a cap-size when the board is down. A brass winch with barrel, gears, and cover, and two handles, will be provided for raising and lowering the board, and a 3/8-inch flexible bronze rope will be attached to the board by two shackle-plates, and led to the barrel of the winch.
STEERING PLATFORMThe frame will be of mahogany, 3 inches by 1-1/2 inches, and the grating of ash strips 3 inches wide, and 1-1/2 inches and 3/4 inch thick, all fastened by copper rivets, and to be fitted forward of the after end box bulkhead ana secured to the deck on the forward end by brass thumbscrews and sockets with solid bottoms, let into 1-1/2-inch mahog-any beds which are placed 3 feet 3 inches apart and fastened by 3/8-inch bolts to the deck bearers. At the after end it is held in place by 1-inch quarter-round batten secured over the grating to the bulkhead.
GUNWALE CAPS.Will be of 5/8-inch white oak, slightly rounded on the inside, each to be in one length and to extend from the outside of the planks over the gunwale and inside casing, and between the end boxes. The gunwale casing on the inside will be similar to the caps, the casings and caps to be fastened by brass screws let in and plugged.
GUNWALE MOLDINGS.Will be of straight-grained white oak, 2-1/2 inches deep and 1-1/4- inches thick, rounded at the top and bottom outside edges, and extending in one length from the stem to the sternpost, the tops of which will be even with the tops of the caps. They will be fastened with No. 14 2-1/2-inch brass screws, spaced 8 inches, and let in and plugged.
LOWER FENDERS.Will be of clear, straight-grained white oak, 6-1/2 inches by 2 inches amidships, and tapered slightly at the ends, extending in one length from stem to sternpost, rounded on the outside, and placed with their lower edges 1/2 inch below the lower edge of the thwart risings, leaving a space of 3 inches between the fender and the gunwale molding. They are to be fastened through the risings by 3/8-inch copper bolts, riveted over washers on the inside, and through the planking and a 1/2-inch by 2-inch batten on the inside, by 5/16 inch copper bolts riveted over washers, spaced 8 inches, the bolts to be let in on the outside and plugged.
STRETCHERS.To be of white oak, 3/4 inch thick, 4 inches wide, and 14-1/2 inches long, fitted sloping and secured to cleats at their backs by brass screws, as shown.
QUARTER BOLLARDS.To be of locust, 6 inches by 4 inches at gunwales, 5 inches by 4 inches at head, fitted on each side against the after end box, and to be 1 foot 7-1/2- inches above the gunwales. They are to be fastened by a 1/2-inch copper bolt, riveted through the gunwales and boundary cant, and a 3/8-inch copper bolt riveted through the planking, and further secured by a finished gun-metal knee with 6-inch arms 1-3/4 inches wide 3/4 inch thick at the throat and 1/4 inch thick at the ends. The knees, will be fastened by 3/4-inch copper bolts riveted through the gunwales, and No. 18 2-inch brass screws in the bollards. The knees will be let into the the bollards 1/4- inch. There will be a steering crutch on each bollard.
OARLOCKS.Twelve gun-metal oarlocks and. sockets will be furnished; ten of the sockets to be let in flush with the gunwales and fastened with muntz metal bolts with nuts and washers, and two sets to be spare. They will be polished, and the oarlocks will be of the pattern requiring a half turn to lock them in position, as shown. Two gun-metal steering oarlocks with sockets, of pattern shown in drawing (Plate4) will be provided and placed as indicated.
RUDDER.Will be of white oak 1-1/2 inches thick, size and shape as shown, with 1 inch by 6 inches cheek pieces at the head, fitted as shown, and hung as near the sternpost as practicable. The pintle to be a muntz metal rod, 2 feet 6 inches long, 1-1/8 inches diameter, slightly tapered at the top, screwed into and riveted to a substantial base having arms 2 inches wide and 6 inches long, to be let into and embracing the sternpost and riveted through and through. The brass tube of the upper hanging will fit the rod snugly, 2 feet 9 inches long, and be securely fastened to a base with arms 9 inches long bv 1-3/4 inches wide which embrace the rudder and are riveted through and through. The lower rudder hanging will be a base with hole to take the rod pintle and arms 1 foot 9 inches long and 1-3/4 inches wide, to embrace the rudder and be riveted through and through. The rudder braces will not be let into the rudder Two gun-metal stops of size and shape as shown will be riveted on the sternpost, to check the rudder on either side.
STEERING GEAR.To consist of a gun-metal quadrant with gear on the top of the arc, hinged to the rudder head, the arc of the quadrant resting upon a 1-inch brass roller between two uprights cast upon the cross web connecting the drogue chocks. A small pinion engages the gear on the quadrant, with a I-1/4-inch tobin bronze shaft keyed thereto, running through three bearings to the forward end of the box, ending with a hub and a double handle thereon, the handles to be of rosewood or other wood equally as hard. A spring catch will be let into the shaft abaft of the forward bearing, by pressing which the shaft can be pulled forward, disengaging the gears, as shown.
TILLER.To be of white oak, 2-1/4 inches by 4 inches, 9 feet long, properly tapered and finished with mortise to fit head of rudder. It will be riveted on each side of the mortise.
RUDDER TRICING SHEAVE AND TACKLE.A brass cheek block with a sheave 1/2 inch by 1-1/2 inches will be fitted on the port side of the sternpost at the top, the upper fastening being through a lip turned over the top of the sternpost, to bring the block as high as possible so the tricing pennant will lead clear over the drogue chock. A 1/4-inch flexible bronze wire pennant will be knotted through the rudder above the water line, with a gun tackle purchase of 2-1/2-inch lignum vitae blocks at the forward end, the lower block hooked into a brass eyebolt in the after side of the quarter bollard, the ??? belaying to a 6-inch brass cleat on the boundary cant of the bulk-head of the box.
DROGUE CHOCKS.Will be of gun-metal, port and starboard, connected and made to fit the top of the after end box. On the after connecting web will be two uprights carrying a 1-inch brass roller for the steering quadrant to bear upon, as shown.
SHEET AND SHROUD PLATES.Will be of 1-1/2-inch by 3/8 inch finished muntz metal, with 3/4-inch holes, secured to outside of planking by 5/16-inch copper bolts riveted through the gunwales and through battens on the inside of the planking, as shown.
BOW CHOCK.Will be of finished gun-metal, size and pattern as shown in the plan.
STEM BAND.Will be of finished gun-metal, size and pattern as shown in the plan, BELAY PINS AND CLEATS. Through the forward mast thwart, on the port side, will be two polished gun-metal belay pins, 7 inches above and 5 inches below the thwart, tightly fitted. On the starboard side, over the bulkhead door, will two two 6-inch polished cleats, all for halyards. On each side of the main mast, through the thwart, will be a polished gun-metal belay pin, 4 inches above and 3 inches below the thwart. On the inside of each gunwale there will be four 6-inch open base polished gun-metal cleats, also one on the inside face of each Quarter bollard, and one on the boundary cant of each end box. On tne inside of the gunwales, on each side abaft the fore shrouds, will be a gun-metal fairleader with a 3/4-inch hole for the jib sheet.
HAULING-OUT PLATES.To be of gun-metal, fitted as shown, 21 inches long, 2-1/2 inches wide, and 1/4 inch thick, one on each side of the scarf of the keel to stem and sternpost, let in flush, and to be through-fastened with six 5/16-inch copper bolts, riveted flush in countersunk holes. One hole of 1-5/8 inches diameter will be drilled through the plates and keel.
HAULING OUT SHACKLE.One shackle for use in hauling out will be provided, of 3/4- inch round iron, 28 inches long, with jaws wide enough to take the keel easily, and having a 1-1/2-inch pin with chained key, all to be galvanized
SIDE-LIGHT SCREENS.Two screen blocks for the side lights will be fitted to the sides of the forward end of the box, near the after end, and in a position to bring the lights inside the rail when shipped, and a hinged screen board with a hook on the top of the box, for the bow light.
MASTS.Masts will be 5 inches diameter at the tack, and 4 inches at the head, and properly tapered, having three square sides at the heels to fit the box steps, the fore mast 18 feet long, the main mast 16-1/2 feet long, to be hollow, preferably of the Frazier make, or equally as good, of clear white spruce. To be stepped with a rake of 1-1/2 inches to the foot into an oak plank forming a part of the deck. Square boxes of 1-inch mahogany, with the after side open, will be secured to the under side of both mast thwarts, and to the step plank. The masts will be held in position by finished gun-metal clasps, hinged on one side and pinned on the other to plates embracing their respective thwarts.
MAST BANDS AND TRAVELERS.The bands at the mastheads will be of gun-metal, of the sizes shown in the plan, four eyes in the fore and three eyes in the main, and gun-metal tack band, as shown, for the tacks to be placed near the thwarts. The mast travelers will be of gun-metal, of size and pattern shown in the plan.
YARDSTo be of clear spruce, of lengths to fit the heads of the sails, 3 inches greatest diameter, and properly tapered; to be fitted with a wide gun-metal screw band ana link to hook over the mast traveler.
SHROUDS.There will be one shroud on each side of each mast, spliced around thimbles in the masthead bands; all of 3/8-inch flexible galvaniZed rope, witH gun tackle purchases of 3-1/2-incli lignum-vitae blocks with galvanized iron straps, and brass sheaves, to have sister hooks to hook into the rail plates, the falls to be of -1/2-inch manila.
SAILS.Fore and main lug sails and jib, of size and cut as shown, to be of No. 8 Woodberry Mills eotton canvas, 14 inches wide, all to be roped, with, I-1/2-inch Russia bolt rope, having galvanized thimbles on all cringles. The fore and main sails to have one reef in each, with cotton, reef points in each seam. The head rope of the jib be 2 inch.
SHEETS AND HALYARDS.To be of 1-1/2 inch manila, of sufficient length and properly fitted. The jib sheet to have the bight seized into the clew and the ends led through the fairleaders on the gunwales. The fore sheet to be double and rove through two single 4-inch lignum-vitae blocks hung on a heart shackle in the clew, the standing parts to have gaff-topsail sheet-hooks for hooking into the rail plates. The main sheets to be double ami lead through 4-inch single lignum-vitae blocks hooked into the rail plates on the quarters, the standing parts be fitted with gaff-topsail sheet-hooks for hooking into the clew of the sail, the hauling parts to lead to and belay to cleats on the quarter bollards. The fore and main halyards to be a gun tackle purchase of 3-1/2-inch lignum-vitae blocks, the upper blocks shackled into the masthead bands, the lower blocks with sister hooks to hook into the mast travelers, the halyards to belay to pins in the thwarts. The jib halvards to be a gun tackle purchase of 3-1/2-inch lignum-vitae blocks, the upper block shackled into the masthead band, the lower block to have a 3/8-inch gaff-topsail sheet-hook to hook into the head of the jib, and will belay to cleat on the boundary cant.
SPRAY HOOD.There will be a folding spray hood, to extend from the forward end box to the third thwart from forward, the frames to be five in number, of 3/4-inch brass tubing, with ball and shank, as shown, bent to conform to the shape of the end box, and covered with No. 8 cotton canvas. The hood will form a continuation of the top of the end box for height, and the forward edge will be fitted with brass grommets and lacing to lace into corresponding grommets in a strip of canvas tacked to the top of the end box and having a flap to cover the connection. The slide tracks to be of heavv brass tubing, 1-1/4-inch, 1.368 inches inside measurement, with a 3/4-inch slot on the tops in which the ball ends of the frames will travel. These tracks will be let into oak bed pieces, as shown, and fastened to the thwarts parallel to each other, as far apart as the width of the gunwales at tne mast thwart will permit. The hood will be cut out to fit around the mast and will be secured to the frames by lacings through canvas lips on each side thereof.
LIFE LINES.Life lines of 1-1/2-inch manila rope are to be rove through brass eyebolts in the under side of the lower fenders, spaced as shown, and seized in loops over brass thimbles in the eyebolts.
HATCHET CLAMPS.Will be of finished brass, one on each end box bulkhead, as shown.
COMPASS BOX.To be of mahogany with slide cover, of size and shape to accommodate Service binnacle boat compass.
OARS.Oars to be of straight-grained heavy white ash, free from knots and stains, 12 in number, 14 feet long, 5-1/2-inch blades, redressed, leathered, and coppered; also two steering oars 19 feet long, of the same material and similar finish as the above.
BELL.One 6-inch finished brass bell of approved tone and mount will be provided and placed where directed.
BOAT HOOKS.There will be four boat hooks with ash staves, 10 feet long, with double gun-metal hooks, having ball points.
PAINTING.All calked seams in the deck and hold to be payed with marine glue; all seams and nail holes in the planking to be filled with mahog-any-colored lead putty or chunam. .ill inside bulkheads below deck to have two coats of white lead paint. The bottom, up to the water line, to be given two coats of approved antifouling green paint; the hull from water line to top of lower fender to have two coats of "Crockett's Composition," or other approved varnish, the planking being first brought to a uniform color with mahogany stain; between tne fenders and on the top of the end boxes to have two coats of lead and zinc paint, the gunwales and all interior woodwork on the deck to have two coats of Crockett's spar composition or other approved varnish. The Life-Saving Service device for the bows will be furnished by the Government, to be painted and gilded by the contractor as directed. To be lettered on the turtle backs, as shown, in black, and on the hull in gilt letters.
PHOTOGRAPHS.The contractor shall furnish the Government with photographs of approved size, showing five good views of each boat: two views being taken before the boat is placed in the water, and three views while afloat, to best illustrate the boat both under way and at anchor.
SPEED TRIALS AND CAPSIZING TESTS.Fuel and labor will be provided by the contractor for such speed trials and fuel consumption tests as may be directed by the Government; and also the labor and proper appliances for upsetting the boat, to test its self-righting qualities.
SHIPPING.The boat will be delivered to and loaded upon the car, secured and covered as shown in the plan, to insure its safety while in transit.
GASOLINE ENGINE SPECIFICATIONS.IN GENERAL. All workmanship in connection with the propelling machinery shall be of the best and the fittings of the highest grade specified. The installation shall be carried out on the general plan as practiced by the Life-Saving Service, which provides for operating the motor, if necessary entirely from the outside of the engine room, with the end box closed absolutely water-tight. All piping will be of heavy brass, and all joints of fuel pipes will be carefully soldered. All wiring will be done with the Packard cable wire.
ENGINE BEDS.Four athwartship beds of 2-1/2-inch white oak will be fitted in the after end box and bolted to the keelson and frames and fastened through the planking from the outside with heavy 2-1/2- inch brass screws, spaced 4 inches. The middle of the beds will be cut out in a half circle to receive an 18-ounce copper drip pan. Two fore-and-aft sills of white oak of a size to accommodate the motor will be jogged into the athwartship beds and bolted.
ENGINE.Will be a 6-cylinder, 4-cycle, open-base auto-marine Standard or Holmes motor, as the Government may decide, of 35-40 horsepower, make-and-break or jump-spark ignition, as the Government may decide, weighing not more than 700 pounds. The holding-down bolts to be fitted with lock nuts nuts to be on top of bed.
IGNITION SYSTEM.There will be provided an "Apple dynamo storage battery igni-tion system" complete, including an automatic friction governor, 12-S switchboard, a 6-volt, 60-ampere storage battery, with one 6-candlepower incandescent light placed over the motor on the bulkhead and one droplight of the same power with wire of sufficient length to work around the motor; also one light similar to the former, fixed in the forward end box to light the sight tube of the fuel tank. Brass side-lights and a bow light will be provided and wired from the battery, with an independent switch, the wires passing through water-tight packing in the turtle back, and fitted with plugs, so the lights can be unshipped. A recessed gun-metal box, let into the after end box bulkhead, will hold the sparking and fuel levers and switch, having brass connecting rods leading to their respective connections on the motor.
8HAFT AND PROPELLER.Shaft to be of tobin bronze, 1-1/2 inches in diameter. Propeller to be 22 inches in diameter, 24-inch pitch, 3 blades, of manganese bronze, ground smooth and polished, and of true helical shape.
STERN BEARING.To be as per plan, of polished gun-metal, with cheek pieces through-riveted, and with stuffing box in the outboard extension.
STARTING MECHANISM.Will consist of a sprocket wheel on a starting shaft, connecting with the sprocket on the engine shaft by sprocket chain. The start-ing shaft will be supported on the inside of the bulkhead by a brackets having a bearing as shown, its forward end passing through a flanged gun-metal bearing on the outside of the bulkhead, beveled to the incline of the motor. The starting crank will have two beveled notches on its hub to engage a pin in the shaft, to insure easy detaching when starting the motor.
REVERSING MECHANISM.Will be of an approved type, guaranteed to act promptly and effectively, its lever to connect with rod and handle working in a cylindrical recessed gun-metal box let into the end box bulkhead, having a suitable stuffing box at the inner end of the cylinder.
WHISTLE.A cylindrical galvanized-iron tank, of size as shown in the drawing, tested to 150 pounds, will be located in the hold forward of the after bulkhead and piped to the forward cylinder of the motor, with suitable check valve, to hold compressed air for operating the whistle. The whistle will be of the chime pattern, placed in a recessed gim-balled box let into the after end bulkhead, together with a pressure gauge. The pipe leading to the tank below the deck will pass through. .a suitable stuffing box.
GASOLINE TANKS.A 28 ounce copper tank, 44 inches by 32 inches by_20 inches, with swash partitions, as shown, will be secured in the main hold just forward of' the centerboard trunk. An auxiliary cylindrical tank of 22-ounce copper; 54 inches long and 13 inches diameter, with swash partitions as shown, will be secured in the top of the forward end box on the port aide. This tank will be filled through a 2-inch brass pipe leading from a deck plate on the topof the end box; also from main fuel tank by a brass pump fitted horizontally, the handle to be worked in a recessed cylindrical gun-metal box let into the bulkhead and connecting with the main tank as shown. The fuel pipe from the auxiliary tank will pass down through the bottom of the boat, as near the keel as it properly can be done, through a water-tight stuffing box, aft along the keel close to the garboard seam, and up through another water-tight stuffing box to the carburetor. A cock will be fitted in the pipe under the fuel tank and one before it enters the carburetor, the.latter cock having a ???? stem extending to the recessed whistle ???? for controlling the flow of gasoline to the engine as shown. A glass sight tube will be fitted to the after end of the auxiliary tank, with cocks for letting the gasoline into the tube and ????
??? sight glass let into the bulkhead opposite the tube, so the quantity of fuel in the tank can be observed from the deck. The piping and connections of the fuel tanks will be as shown in the drawings.
There will be furnished with the motor the following outfit:
All to be fitted in a neat rack put up in the motor room.
SPARE PARTS OF MOTOR.
The following-named spare parts for the motor will be furnished, all to be securely packed:
I N D E X.
ENGINE AND FITTINGS
Contact: Fritz Funk (email@example.com)