[Iceman]

Originally Posted by sdcityboy

have you seen this? called stealth serpent http://stealthserpent.com/

Aye Carumba, that cassette is not going to hold up for long even with that little bit of reinforcement. You can steer with the rudder so the whole control up top is unnessary.

Lithium battery is the big cost factor, if you don't mind a little extra weight go with conventional deep cycle. Bass yaks uses a pulse modulator(?) that extends the battery life