Schreder HP-7
The Schreder HP-7 was an American glider, the first design of Richard Schreder and the first in the long line of Schreder HP sailplanes.[1][2] Design and developmentSchreder built the HP-7 (HP stands for "high performance") in 1957 as a competition sailplane. Only one was built.[1][2] Operational historyThe HP-7 was completed just in time to finish the Federal Aviation Administration-mandated test flying for amateur-built aircraft before the 1957 US National soaring competition started. Schreder entered the competition with the aircraft and placed well.[1][2] The aircraft was destroyed in an aerotowing incident right after the US Nationals. Schreder decided not to build another HP-7, but drawing from his short experience with the aircraft that summer, he went on to design and build the Schreder Airmate HP-8, completing it for the 1958 season.[1][2] Specifications (variant specified)
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