When my father was home on leave one time from the Betan Astronomical Survey, we made model gliders together.

Sir George Cayley builds a model glider with moveable control surfaces.

He received a patent for airplane wing construction, and designed and marketed radio controlled model gliders.

It is commonly used to launch model gliders however.

Some simple aircraft such as model gliders lacked any type of ailerons.

Hand launching is the simplest way to get a model glider into the air.

He builds giant box kites and model gliders and sets them off on test flights.

The hill on the west part of Bedok Reservoir is a popular place to fly model gliders.

F3K is the international contest class for radio controlled, hand-launched model gliders.

For F3K tasks where longer durations are needed, positioning and maintaining the model glider in thermal rising air is paramount.