|DIMENSIONS A,C,D,E, and F must be correct.
.DIMENSION F is the rudder angle in degrees.
DIMENSION B is approximate only. Dimension B will be a long slot.Dimension
C is transom to end of proptube.
DIMENSION E IS THE DISTANCE BETWEEN THE TIP OF THE PROP AND THE BOTTOM OF
Balance point without fuel is 445mm from the transom.
Use only straight shafts, do not use flexishafts.
The engine should be fitted in the boat as low as possible
The waterscoop (s) should be fitted on the CENTRE LINE of the hull and
should be as small as possible.
This boat MUST HAVE around 800 grams of weight on the left side.
The gap between the hull and the proptube MUST be filled in and
Build the Thunder as light as possible.
Protype used a 2432 prop cut down to 57mm diameter
with 340mm pipe length from exhaust flange face to widest part of pipe of
340mm on ZEN7 race ZENOAH..
ALL COPYRIGHT, SALES RIGHTS AND SCULPTURAL RIGHTS OF THE
HULL AND DECK CALLED THE THUNDER BELONG TO ..DAVE MARLES, PRESTWICH
MODELS, 1,MILL ST., GOLBORNE, NR. WARRINGTON, ENGLAND WA33QJ. ANY ATTEMPTS
TO INFRINGE THESE RIGHTS COULD LEAD TO PROSECUTION.