No fuel costs?

[garbageguy]

..but the capital investment could be a bit much...

 

[gm280]

..but the capital investment could be a bit much...

Yea but where are the casting seats. How can you fish without casting seat. :noidea:

 

[sphelps]

Pretty cool but doesn't a sailboat do basically the same thing ?

 

[wrvond]

Jacques Cousteau had a boat that used that kind of propulsion. Very efficient. IIRC it provided electricity as well as motive power.