My brother and I was also hoping to improve our own piloting skills on the H I, as our total flying experience amounted to less than one hour in a primary glider.
We planned a mean chord of at least one half meter, and a root chord large enough to accommodate the pilot This meant a wing with steep taper. A keel structure contained the seat, 10 cm below the bottom wing surface, and the canopy protruded 30 cm above. The root thickness was 60 cm, which, with a 20 % airfoil thickness resulted in a root chord of three meters.
The resulting triangular wing had an almost straight trailing edge, with two elevators in the center, flanked by two ailerons. The washout was 7 degrees, with most of the twist outside Y= 0.75 (the last quarter of the half span).
The elevators were moved by pushrods, the ailerons by cables, all attached to a conventional stick. The rudder pedals were linked to drag rudders near the wing tips. They could be operated separately for directional control, or together as spoilers something that had not yet been introduced on other sailplanes. With no workshop available, and no financial support, it was necessary to build the aircraft in our home with personal funds.
Source : www.nurflugel.com
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