Just like full-sized boats, rc boats can take on water through the drive shaft. the typical rc drive shaft uses a universal joint driven off the engine to propel a shaft through a stuffing box. the shaft exits the hull and connects to a propeller.. 91 supra sunsport drive shaft broke at about 35 mph. did not appear that we hit anything. no other apparent damage except to the prop from sliding back into the rudder and a bent strut. how difficult is the replacement and can a handyman do it at home? transmission still seems to work normally.. My mercury motorkeeps breaking the drive shaft the model no. is 1-b284349 - answered by a verified marine mechanic boat. have boat questions? ask a boat repair expert. my mercury motorkeeps breaking the drive shaft the model no. is 1-b284349. ask your own boat question. share this conversation. answered in 2 minutes by: 12/15/2014..
I had run out of water on my previous boat (a supra), and took off the rudder, tracking fins, bent the prop so it looked like a rose bud, broke the strut and bent the @#@# out of the shaft. baumann propeller service in houston fixed the prop and straightened out the shaft and it ran fine.. A drive shaft, driveshaft, driving shaft, propeller shaft (prop shaft), or cardan shaft is a mechanical component for transmitting torque and rotation, usually used to connect other components of a drive train that cannot be connected directly because of distance or the need to allow for relative movement between them.. Causes stuffing boxes to wear out and leak, not infrequently sinking the boat. bent or broken shafts ; drive system vibration that can damage transmissions, engine mounts and the boat hull itself. transmission failure caused by increased stress on the rear output shaft bearings and gears..
Boat Drive Shaft Broke