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motor yacht scale 1:12 38 1/2" speranza full size printed plans for radio control
motor yacht scale 1:12 38 1/2" speranza full size printed plans for radio control
motor yacht scale 1:12 38 1/2" speranza full size printed plans for radio control
motor yacht scale 1:12 38 1/2" speranza full size printed plans for radio control
motor yacht scale 1:12 38 1/2" speranza full size printed plans for radio control
motor yacht scale 1:12 38 1/2" speranza full size printed plans for radio control
motor yacht scale 1:12 38 1/2" speranza full size printed plans for radio control
motor yacht scale 1:12 38 1/2" speranza full size printed plans for radio control

Motor Yacht scale 1:12 38 1/2" Speranza Full size printed plans for Radio control

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Description

Full Size Printed Plan & Building Notes

No material plans only

SPERANZA
A beautiful scale fast motor yacht for the larger model engines
SCALE 1 in to 1 ft.
LO.A. 38 1/2 in
Beam 12 in
Gas .15 to .61 or Convert to Electric
RADIO CONTROL

FULL SIZE PLANS PRINTS ON TWO SHEETS 46” x 24”
SIX DIGITAL PAGES HISTORY, BUILDING NOTES and PHOTOS

By Vic Smeed
Built by Afco Private Ltd. of Bombay, Speranra uses two 100 b.h.p. Perk ins diesels which give her the unusually high speed of 22 knots, remarkably fast for a boat of this type and size and arising largely from the hull form and attention to small details; a model can be expected to exhibit the same characteristic. Prototype length is 38 ft. 6 in., and beam 12 ft., and our model is at 1 in. to 1 ft. For anything like scale performance a 31/2 c.c. diesel would be the minimum, and weight would have to be a shade under 13 lb. (which would give a scale waterline) but quite reason¬able performance would be had with .15 c.i.( 2 1/2 c.c). Larger motors, up to about .61 c.i.( 10 c.c.) could be fitted, and we have shown the new Taplin Twin on our drawing; with full throttle on this motor, you should stand a good chance in any speed event! If you don't mind floating a fraction deep the all on weight can go up to around 17 lb., but as it should be feasible to build to an empty weight of 8 lb., plus motor, etc., plus radio, it should not be difficult to come out at the lighter figure.
Construction
The frame of the hull follows standard practice with sawn-out ply backbone and bulk-heads. For the keel, 6 mm. or 1/4 in. ply is recommended, with 3/16 in. or say 5 mm. for the bulkheads. 1/8 in. ply could be used for the latter if stiffening is employed during con¬struction to prevent warping.•

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