Bruce Simpson from the Xjet Youtube channel joins Dave to discuss RC aircraft and creating an international incident by developing a DIY cruise missle! He runs the world's longest running blog website! He's on Twitter Pulsejet vs Xjet technology A visit from the New Zealand intelligence agency V1 vs V2 German missle technology Using electrostatic gradient and thermal grading for maintaining altitude Tricopters What keeps a quadcopter in the air? CAA in NZ trying to shut him down and regulation red tape DJI drones and Geofencing DJI firmware bricking Tradeoff of rotor numbers. Octocopters vs Hex vs Quad Shrouded blades and the Coanda effect Beating Betz's Law The futility of hydrogen powered cars The absurdity of magnetic fuel savers, 5G USB shields and other scams FPV vs Line of Sight flying Video transmission technology and bandwidth Model jet turbine engines vs full scale Parkinson's disease and management strategies