What’s the easiest, cheapest and still reasonably reliable way to measure the speed of a toy quadcopter or hexacopter? Let’s evaluate a decidedly lo-fi approach in this one-off departure from the regular RCview programming! Sounds used: "Doppler siren"" ****** "Woosh Sound" ****** Videos shown: "How to Get Speed and Altitude for a Drone with No Telemetry" ****** "SpeedClock" ****** "Speed Gun v1.4 (Smart Tools)" ****** "#38: Analyze Hot Wheel Radar gun with a Real Real Time Spectrum Analyzer" ****** "Aerial Drone Radar Gun" ******