Design
Although Holighaus had designed and built the ground-breaking D-36 together with Gerhard Waibel, Wolf Lemke and Walter Schneider, he followed a completely different design philosophy for the Cirrus, preferring a thicker airfoil and the use of PVC foam instead of balsa as a core material.
The resultant Cirrus has mid-set cantilever wings with a span of 17.74 metres, and a conventional low-set cruciform tailplane. It can carry water-ballast in the wings. There are no flaps. For glidepath control, there are effective top-and-bottom air brakes and a substantial drag chute built into the bottom of the rudder. The undercarriage is retractable.
Read more about this topic: Schempp-Hirth Cirrus
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