Full Size Printed Plan Semi-scale racing boat Crackerbox for Radio control
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Full Size Printed Plan & Building Notes
No material plans only
Full Size Plan Printed on a 34" x 24" sheet
Seven page article with building instructions
Length 20 1/8"
Beam 7 1/4"
Power Electric 540 size motor
Paul Williams shows how to build fast electric boat plan.
Crackerbox" is an easy to build of an almost flat bottomed Californian raceboat. It is designed for 6/7 cells and almost any can be used. The model in this article used a 22 turn modified 540, mainly because I had one lying around spare. If you were to fit a 21 turn stock motor and 6 cells, "Crackerbox" would make an ideal Formula 3 boat. The drive system I used is a lightweight submerged drive from John B Marine. These all stainless steel units are used in virtually every Formula 3 and Formula 2 boat and are exactly the correct length for the "Crackerbox". The transom mounted rudder assembly is also available from John B Marine as is the stainless steel P31 propeller.