It’s really fun, I built it to fly through the tunnels on Trainconstruct. I had forgotten how much fin was.
Cruise speed: 65mph
Max speed (dive): 87mph
Stall speed: 40mph
Weight: 1.6 tons
I left the wire exposed because it looked kind of cool.
Failed pontoon version
http://www.garrysmod.org/img/?t=dll&id=80340