Cachalot 8.53m
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Beam: 8'6 " 2.59m
LWL: 23'6" 7.16m
Draught:
C/board up - 2'0" 0.609m
C/board down - 5'0" 1.5m
Displacement: 3000kgs
Freeboard forward: 3'3" 990mm
Freeboard aft: 2'6" 762mm
Cockpit size: 7'6" x 6'0" 2.28m x 1.8m
Mast height: Main 33'6" - Mizzen 21'0"
Sail area:
Jib: 93.7 sq.ft 8.6 sq.m
Staysail 72 sq.ft 6.6sq.m
Mainsail 151.5 sq.ft 14 sq.m
Mizzen 32.7sq.ft 3 sq.m
Materials:
Timber: 850 super approx.
Plywood: 8 x 4 x 3/4 (19mm) 2 sheets, 8 x 4 x'12 (12mm) 22 sheets
The CACHALOT has been designed for Coastal cruising where its shallow draught and its ability to take the bottom will be most appreciated. The craft has an easily driven hull configuration which allows it to sail smartly to windward and this combined with the generous steel centreboard makes it a very handy craft even under adverse conditions. The Cachalot has been designed to give a very traditional appearance and has a 5 berth layout with large galley and chart table. The inboard auxiliary engine is mounted under the forard end of the cockpit and is covered by the companionway steps. Engines from 5 to 10 h.p. are recommended for this vessel.
The Cachalot is ketch rigged with tapered wooden spars which we recommend be constructed from light weight Oregon or Spruce or similar straight grain timber. The main mast is 41/2. at the foot tapering to 2" at the top while the mizzen is 3" at the foot tapering to 11/2" at the top. Both masts are simple rounded spars and are relatively easy to construct by the amateur. The craft is constructed from 12mm or 1/2" ply with the bottom being 3 laminations of 1/2", bringing an all up thickness of 11/2" to give a good strong bottom section. The craft is constructed over sawn frames for fore and aft stringers forming a multi-chine construction which gives the Cachalot its full and easy shape. The craft is internally ballasted with either lead or iron ingots or similar material and this is fastened to the bottom of the hull under the floor. The amount of ballast carried depends upon other factors such as full, water, cruising gear etc., but the Cachalot would require a minimum of approximately 2000lbs of ballast as a starting point.
The plan includes FULLSIZE PATTERNS of the frames, stem and transom plus detailed drawings on hull construction, decks, cabin etc plus written instructions.