Specifications for Construction of a 25-foot Cabin Cruiser By Frederic S. Nock
MATERIAL AND WORKMANSHIP
In carrying out these specifications, there are to be used only
the best materials and workmanship. Proper care to be given to
the details of construction, fastenings, etc. All wood shall be
sound, clear and free from all defects, all pieces to be cut
fair with the grain, and all knees, etc., to be natural crooks,
all fastenings not otherwise specified to be of galvanized
iron.
KEEL
To be of native white oak, sided 3 inches, moulded as per plans
and to be in one length, mill dressed to a uniform thickness
and finished smooth.
STEM
To be of white oak, sided 3 inches, moulded as perplans, to be
connected to the keel with an oak knee sided 3 inches, to be
properly fitted and fastened with 3/8-inch diameter bolts
clinched over washers, heads to be countersunk and covered with
wood plugs.
SHAFT-LOG
To be of white oak, sided 3 inches, built up of two pieces,
bored for shaft and to be securely fastened to the keel with
5-16-inch diameter bolts.
HORN TIMBER
To be of white oak, sided 3 inches, shaped as per plans, to be
securely fastened through shaft-log and keel with 5-16-inch
diameter bolts.
STERN POST
To be of white oak, sided 3 inches, shaped as per plans, to be
carefully fitted and well fastened to the keel, etc.
TRANSOM
To be of oak, 1 1/4-inch thick, to be connected еo the horn
timber with an oak knee or hackmatack knee sided 21/г inches
and fastened with 3/8-inch diameter bolts. Cheek pieces of oak
1 inch thick are to be securely fastened to the inside edge of
the transom to form a back rabbet and fasten the planking to.
FRAMES
To be of white oak, 1 1/8 ч 1 1/8 inches, spaced 9 inches
centre to centre, frames wherever possible are to extend from
gunwale to gunwale in one piece, and to be securely fastened to
the keel, frames aft of forward end of shaft-log are to be
mortised into a cheek piece of oak 1 inch thick which same is
to be well fastened to the keel and shaft-log and the lower
edge cut to form a back rabbet for the garboard.
FLOORS
TO be of white oak, 1 1/8 ч 1 1/8 inches, to be securely
fastened to the keel and through the sides of the frames,
floors aft of forward end of shaft-log to be sawn to shape,
carefully fastened to the keel and through the frames.
BILGE CLAMPS
Го be of yellow pine 1 1/4 x 4 inches amidship, tapered at ends
to 1 1/2 х 3 1/2 inches, length of taper 7 feet, to be securely
fastened through frames.
DECK CLAMPS
To be of yellow pine 1 1/4x4 inches, upper and lower edges to
be chamferred from forward end for a distance of 14 feet, to be
securely fastened through frames and at each athwart-ship frame
to have one fastening through clamp, frame and strake, heads of
fastenings to be sunk in strake and covered with wood plugs.
RAISED DECK CLAMP
To be of yellow pine 1 1/8 х 3 1/2 inches, lower edge bevelled,
to be well fastened to the frames and at each alternate frame
to have one fastening through clamp, frame and sheer strake.
PLANKING
To be of yellow pine in long lengths, to finish 3/4-inch thick,
where butts occur same to be reinforced, with oak blocking and
to be securely fastened, heads of fastenings to be covered with
wood plugs. All fastenings to be of galvanized iron chisel
point nails clinched on the inside of the frames. Seems to be
tight on the inside, and planed with a suitable bevel for
calking, seems to be calked with yacht cotton, played with
white lead and finished flush with white lead putty, exterior
to be carefully planned smooth and fair, and sandpapered before
being painted, inside of plank to be coped to fit the frames
wherever necessary.
KEELSON
To be of oak or yellow pine, as desired, 2x4 inches, to be
scarfed and fitted to knee at stem, and to be well fastened
through floors and into keel.
ENGINE BED
To be of oak, constructed to meet the requirements of the
engine. Fore and aft bearers to be sided 3 inches, carefully
fitted over frames and securely fastened to same, athwart ship
bearers to be sided 2 1/2 inches, to be carefully fitted to the
plank and securely fastened to the keel and fore and aft
bearers.
DECK BEAMS
To be of oak, sided 1 1/4 inches, moulded 1 3/4 inches, spaced
as per plans, to be cut with a crown of1 1/2 inches in five
feet, ends to be mortised into deck clamp and well fastened.
RAISED DECK BEAMS
To be of oak, sided 1 1/4 inches, moulded 1 1/4 inches, spaced
9 inches, crown of beams 5 inches in seven feet, and to be
either sawn to shape or steam bent as desired. Ends of beams to
be cut into clamp and securely fastened to same and heads of
frames.
RAISED DECK COVERING BOARDS
To be of oak, 7/8-inch thick, 3 inches in width, sprung to
shape and securely fastened to the beams, clamps and sheer
strake.
RAISED DECK PLANK
To be of cypress 7/8-inch thick, 3 inches wide, tongued and
grooved and edges bevelled on the underside, to be well
fastened to the beams, the top planed smooth and fair and
covered with 10-ounce canvas properly stretched and bedded in
white lead, edges to be fastened with copper tacks and covered
with 1 1/4-inch half round oak moulding.
DECK PLANK
To be of white pine 7/8х2 inches, to be well fastened to the
beams, heads of fastenings covered with wood plugs, scams
calked, payed with white lead and finished flush with white
lead putty.
COCKPIT DECK BEAMS
To be of oak, sided 1 1/2 inches, moulded 1 3/4 inches, spaced
18 inches centre to centre, ends of beams to be fastened to the
frames and supported on stanchions in centre. COCKPIT DECK
PLANK To be of white pine 7/8,x2 inches, to be well fastened to
the beams, heads of fastenings covered with wood plugs, seams
calked with yacht cotton, payed with white lead and finished
flush with white lead putty, or if desired, deck to be covered
with 10-ounce canvas properly stretched and bedded in white
lead.
GRUB BEAM
To be of oak, 2x6 inches, upper edge to be rabbeted to receive
the 7/8-inch staving at after end of house, ends to be well
fastened to the frames.
COCKPIT HATCH AND COAMING
Coaming to be of oak 1 1/2 inches thick, cut with a rabbet on
the upper edge for hatch as per plans, after end of coaming to
be securely fastened to the beam, forward end to be ' cut
with a waterway as per plans and to be securely fastened to the
grub beam, hatch frame to be of oak cut with a rabbet to fit
the coaming, and covered with white pine 7/8 x 2 inches, seams
calked as per deck or covered with canvas as desired, if canvas
covered there is to be an oak nosing around same to cover the
fastenings.
COCKPIT STAVING
To be of oak or cypress, 7/8x2 inches, tongued and grooved,
edges bevelled, to be well fastened to the clamp and lower ends
set into a rabbeted piece of oak as per plans and securely
fastened, forward end of cockpit seat and after end of house to
be saved up in the same material, a filler piece of spruce or
some suitable material is to be worked to shape and fitted
between the upper ends of staving and strake and securely
fastened, and to this is to be fastened the upper ends of the
staving.
CAP
To be of oak, 1 1/8 inches thick, 5 inches in width, edges
rounded, to be fitted over top of staving and upper strake and
to be well fastened, heads of fastenings to be covered with
wood plugs.
COCKPIT SEAT AND LAZY BACK
To be of mahogany 7/8-inch thick, top of seat to be arranged to
lift up, lazy back to be removable.
CABIN DOORS, FRAME, COMPANIONWAY, KUN AND SLIDE
To be constructed as per plans of mahogany.
FORWARD BITT AND TOWPOST
To be of oak or locust 4x4 inches, to be 12 inches in length, 6
inches above the deck, and the part that passes through deck is
to have a slot mortised through same and to be wedged up to the
oak blocks with oak or locust wedges, there are to be two
rivets in each bitt below the opening for wedges.
RUBSTREAKS
TO be of oak, 2 inches wide, and about 7/8-inch thick, shaped
as per plans, to be well fastened to the plank and frames.
BLOCKS FOR PORTLIGHTS
TO be of cypress, 1 1/2 inches thick, shaped to fit the inside
of the. planking and to be securely fastened to same, face to
be cut with a rabbet 3/8-inch deep to receive the ceiling.
CEILING
To be of cypress, 3/8x2 inches, tongued and grooved, edges
bevelled, to be well fastened to the frames and to extend from
the underside of the raised deck clamp to the top of transoms,
etc.
CABIN FLOOR BEAMS
To be of oak, sided 1 1/4 inches, moulded 1 1/2 inches, spaced
18 inches, ends to be well fastened to frames and supported .
in centre where necessary.
CABIN FLOOR PLANK
To be of yellow pine 3/4 of an inch thick, laid in strips 4
inches wide, the three centre strips are to be xleated and cut
up in short lengths to make suitable traps for access to the
bilge, the balance of the plank to be well fastened to the
beams.
FORWARD BULKHEAD
To be of cypress staving, 7/8х3 inches, tongued and grooved,
edges bevelled, door to be of the same material to be well
cleated to prevent warping.
CENTRE BULKHEADS
To be of cypress staving, 7/8х3 inches, tongued and grooved,
edges bevelled.
TRANSOM FRONTS
To be staved up with 7/8х3 inch cypress, mopboard 4 inches wide
of cypress, and facing strip of either cypress or oak 3 inches
wide.
TRANSOM TOPS
To be of cypress 7/8-inch thick, to be supported on beams, and
suitable traps to be cut in same to admit of using space under
berths for storage.
GALLEY, ETC.
Sides of lockers, front of stove locker, ice-box, etc., to be
built up of 7/8х3 inch cypress staving, locker doors of same
material, ice-box top, shelves, etc., to be of 7/8-inch
cypress, icebox to be sheathed with 1/2-inch spruce and lined
with zinc, stove space to be lined with zinc. An enameled iron
sink 12x16 inches is to let into the top of the ice-box and
fitted with a lead discharge pipe to drain overboard., Lockers
on either side to be fitted with shelves, etc., to meet the
requirements of the owner.
COMPANIONWAY STEPS
To be of oak or cypress, shaped as per plans and fitted with
chocks for feet, also hooks and eyes for upper end, steps are
to be removable to admit of starting engine.
FITTINGS, ETC.
To comprise: — One small yacht closet properly set and plumbed,
one 12x16 inch enameled iron sink properly plumbed, one Khotal
or Primus two burner galvanized iron frame, two round frame
open port lights 6 inches diameter for toilet room, four 8-inch
round frame fixed lights and two 7-inch ditto for galley and
cabin. All interior hardware, such as catches, hinges, bolts,
etc., to be of brass or bronze. Brass or bronze stem band,
bronze rudder, bronze shoe, brass rudder port and stuffing-box,
galvanized iron quadrant, galvanized steel tiller rope,
galvanized iron wheel leads for tiller rope, brass and wood
steering wheel, one pair of polished brass bow chocks, one pair
polished brass quarter chocks, brass padlock and hasp, etc.
Scuppers in cockpit deck to be of lead pipe 1 1/4-inch
diameter.
MOTOR, ETC.
To be a double cylinder 2 stroke engine, 4 inch bore, 4 1/2
inch stroke weight complete not to exceed 350 pounds. All
accessories for engine, such as piping, fittings, gasoline
tanks of 20 gallons' capacity each, shaft, propeller,
stuffing-box, wiring, coil, magneto, etc., to be furnished
complete.
PAINTING, FINISHING, ETC.
Entire interior of hull to receive one coat of priming paint
before being ceiled, exterior of hull to be finished smooth,
and carefully sandpapered and given one coat of priming paint
and three coats of pure white lead paint to the water-line,
under body to receive two coats of copper or Anti-Fouling
paint. All exterior bright work to be treated to one coat of
filler and three coats of Spar Composition. House deck and all
parts covered with canvas are to be treated to one coat of
canvas filler and two coats of U. S. Deck paint. Interior
bright work to be treated to one coat of filler and two oats of
Cabinoleum or I.X.L. varnish.
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