Monday, January 23, 2012

20 Size Outboard RC Tunnel Boat

Professional Designed Suitable Boats


PRODUCTS
The boats are constructed either from glass cloth and mat with polyester resin, or from two to four layers of glass and carbon fiber cloth with epoxy resin. The polyester resin boats are gel coated and do not need painting. The epoxy boats are primed but need painting.
 
Leecraft XTR-21 $310
Gelcoated polyester resin/glass hull and cowl with radio box.
The Leecraft XTR-21 is 27 in. long and 12 in. wide with a 6 in. wide tunnel.




http://www.leecraftracing.com/product.htm

Starting and Running the K&B 3.5 CC Outboard




Boat Racing







Admiral 1/14 size Electric Tunnel Boat approximately the right size and shape to copy as a pattern for a suitable home made boat.

The K&B 3.5 cc Outboard for home made Tunnel boat.

http://www.mecoa.com/kb/marine/marine_outboard.htm
Your engine is an older version of the engine shown in the above page: the only difference is with the muffler as far as I can tell, yours doesn't have one, only a battered up conical pipe; which will not have a
great deal of effect and will interfere with starting.
Users Manual for this engine
http://www.mecoa.com/kb/89/8907-og.pdf

The Radio controller for the homemade boat is the same one used for the helicopter. The radio receiver and control servos are hooked up and ready to go. Just connect the battery Red connector to the matching connector on the voltage reducer input to the receiver after turning on the transmitter and the system is ready to go. The charging connector on the battery is the white one; plug it into the matching connector on the charger and plug the charger into the wall, the charger cuts out automatically when battery is fully charged, but don't leave it plugged in in this condition.
The batteries will not survive if allowed to discharge fully so they must be disconnected when the voltage begins to drop off.
I think you should start with the electric boat which is controlled with the transmitter with the steering wheel. Turn on the transmitter first then open the hatch and connect the battery. turn on the boat's radio with the press push switch (Push-on, Push-off). Check the controls (trigger for speed and wheel for turning). Replace the hatch and she is ready to go (I have been told that it is very fast so start slowly until you get the hang of it.
I didn't put it in the water for fear that I would need a boat to get it back.
Have fun and let me know how you made out.

Bits and Pieces