Digital full-size plans on Cd 30" .21 quick to build competition boat Cachalot Suitable for radio control

Digital full-size plans on Cd

Not a printed plan and no material supplied

Reproduced Vintage Plan From 1965

The Cachalot

Digital Full-Size Plan prints on a sheet 36" x12"

Digital Nine page article with building and photos

Digital Files are TIFF, JPEG and PDF

Printing………..MAY BE DONE AT A COPY HOUSE

 …………………..ALSO INCLUDED INSTRUCTIONS FOR PRINTING AT HOME

Length 30"

Beam 10"

Engine .21 (3-1/2c.c.)

Suitable for radio control

As a 31/2 c.c. (.21cu.in) racer, the model is very satisfactory. As a steering boat for competitions, it offers great promise. If you put more than 31/2 c.c. (.21cu.in)  in it, you may run into problems of trim, because the boat has been designed "on the limit" for the smaller engines. You might get away with a bigger motor, but don't blame the design if you can't!

The Cachalot, by the way, is a fast breed of whale with teeth. To see what the model looks like, detach the four centre pages, trim and align the keys. A full side view has been included for builders who prefer conventional construction with a keel; the shape can easily be taken off this view. The method of construction detailed is, however, simple and immensely strong.

Construction

The principle used is the single ply bottom as on several previous designs. This has proved to be exceptionally strong and light in weight as well as being quick to build.

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