After the RS-1, Ross was commissioned by the
Soaring Society of America to design and build
the RS-3 ﾑIbisﾒ for promotion purposes. The R-2
was quite similar to the RS-1 but the gull wing
had a 48 ft. span and an all-moving tail was
used. It made the first wave flight I the U.S.
on Oct. 25, 1938, at White Mountain, New
Hampshire. Ross later altered the design to
remove the gull wing, change the airfoil and
simplify construction for homebuilders,
designating it the R-3. Hicks bought a set of
plans and built a modified R-3 (RH-3) by
extending the wing, using laminar airfoil and
flaps, first flying in 1963. The Vintage
Sailplane Association has plans.
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