A while back someone used an ardupilot to control a rc boat but I never heard how it did. I am looking into what it would take to do something similar, but this is on a small fishing boat, not an rc boat.  Is it possible to use my existing fish…

I am working on a long range uav, 100 miles+, and need some information on the pros and cons of using gas engines. The engine I want to use is the saito FG-14, if someone can convince me that electric is better then I am open to it, but remember…