RC AirPlane Goes 812 km/h Without Any Motor

A new Dynamic Soaring world speed record of 505 mph (810 kph) at the hill in Weldon, CA. He used a Kinetic 130 sailplane ballasted to about 26 lbs. The wind was between 55 and gusts up to 65 mph and temperature was 65 degrees Fahrenheit.

How Dynamic Soaring works

Checkout these cool gadgets...