A Discus Launch Glider (DLG), sometimes also called Side Arm Launch (SAL) glider, is a radio controlled model sailplane launched using a 'discus launch' in which the glider is held by a wingtip and the flier rotates rapidly before release. Using this launching method, the average flier can achieve launch heights of greater than 100 feet (30 m), with contest competitors more than doubling that height and record throws approaching the 300-foot (91 m) mark.
A Discus Launch Glider (DLG), sometimes also called Side Arm Launch (SAL) glider, is a radio controlled model sailplane launched using a 'discus launch' in which the glider is held by a wingtip and the flier rotates rapidly before release. Using this launching method, the average flier can achieve launch heights of greater than 100 feet (30 m), with contest competitors more than doubling that height and record throws approaching the 300-foot (91 m) mark.
Source: Wikipedia "Discus Launch Glider" · CC BY-SA 4.0
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