The Schreder HP-13 is an American high-wing, single seat FAI Open Class glider that was designed by Richard Schreder.
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Design and development
The HP-13 (HP stands for high performance) was a developmental milestone aircraft between the HP-11 and the later HP-14. The HP-13 was designed by taking the fuselage of the HP-11 and wings similar to the HP-12, featuring the same Wortmann FX 61-163 airfoil but extended from the HP-12's 49.2 ft (15 m) FAI Standard Class span to 54 ft 7 in (16.64 m) for the open class. Eight HP-13s were completed.
The HP-13 was later developed into the HP-14 by designing a new fuselage for the wings. The HP-14 was later type certified in the United Kingdom, while the HP-13s were all amateur-built.
Operational history
In April 2011 there were still five HP-13s registered with the Federal Aviation Administration, all in the Experimental - Amateur-built category.
Specifications (HP-13)
Data from Sailplane Directory and Soaring
General characteristics
Performance