http://cid-d96a3537009b238a.skydrive.live.com/self.aspx/.Public/hovercraftoutputcircuit.pdf
http://cid-d96a3537009b238a.skydrive.live.com/self.aspx/.Public/hovercraftinputcircuit.pdf

Those are what I have so far with the circuit diagram. Tell me if there is something i need to change.