If it isn't guns it my Planes and Drones that eat my money. I love my old gassers, but the simple and no mess electrics are the way to go. Plus, with the trust to weight ratio you can do crazy 3d acrobatics with a well setup 3d ep bird
I've done it in a whitewater kayak in my younger, thinner and dumber days. Was a rush for sure. Side note, due to the drop you cannot see the light at the end of the tunnel until you are committed