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Alan, Good point about the thrust bearing issue . I forgot about that. The Kittredge design has its own issue with reverse. If you try to run one in reverse the end cap holding the motor , seal and propeller assembly will unthread from the main housing. This is why if you want reverse on a K-Boat you rotate the side thrusters. Of course some modifications can be made to prevent the housings from coming apart once the o-ring is seated but you still get the occasional leak. I brought the minn kotas into the discussion because of how well they worked on Jim K's Bionic Guppy. Maybe its time for a discussion for an open source thruster design. The Kittredge thruster pod is a T-Rex waiting for an asteroid. Dan On 10/29/2011 9:33 AM, Jon Wallace wrote: Hi Alan, |