Catapult glider
Sparrow catapult launcher: http://inventorartist.com/sparrow-model-plane/ Available by mail order.
Sparrow catapult launcher: http://inventorartist.com/sparrow-model-plane/ Available by mail order.
http://www.rubber-power.com/a-walk-in-the-park-3.htm
http://www.rubber-power.com/catapult-glider-testing.htm
