| | RE: waterproof seals (a bit OT) Thomas, Jim
| | | You could do what they do for aquarium filter pumps -- use magnetic transfer. Put a bar type magnet on the motor shaft and put a similar magnet on a propeller just outside the hull where the motor is. Since propellers require low-torque it works (...) (26 years ago, 16-Oct-98, to lugnet.robotics.handyboard)
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