Wiederkehr GHW-1 Cu-Climber

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GHW-1 Cu-Climber
Role Glider
National origin United States
Designer George H. Wiederkehr
First flight1968
Introduction1968
StatusSole example still flying
Number builtOne

The Wiederkehr GHW-1 Cu-Climber is an American, high-wing, single-seat glider that was designed by George H. Wiederkehr and first flown in 1968. [1] [2]

Contents

Design and development

The Cu-Climber is an original design and is of mixed construction, with the fuselage of fibreglass with foam bulkheads, forming a semi-monocoque structure. The wings are a fiberglass and balsa sandwich, with fibreglass skin, except aft of the spar on the under-surface where aircraft fabric covering is employed. The wing also features a large 12 inch (30 cm) X 6 inch (15 cm) box spar that is made from spruce, plywood and fiberglass, which is stressed to +9.6/-6.3 g. The wing employs a Pfenninger 14% airfoil. [1] [2] [3]

The control surfaces include an all flying tail fitted with an anti-servo tab and full-span ailerons of very short chord that act as flaps when drooped for glidepath control. The landing gear is a fixed monowheel that is faired to reduce drag. [1] [2]

The aircraft's designation of GHW-1 indicates the designer's initials. Unusually the aircraft is registered with the Federal Aviation Administration simply as Amateur Built 68 glider. Only one example was ever constructed. [1] [2] [3]

Operational history

In 1983 Soaring Magazine reported that the GHW-1 was being regularly flown and that the designer was constructing a new GHW-2. In May 2011 the GHW-1 was still registered to Wiederkehr. The GHW-2 was completed and in May 2011 was owned by Anthony C. Wiederkehr. [2] [3] [4]

Specifications (GHW-1)

Data from Sailplane Directory and Soaring [1] [2]

General characteristics

Performance

See also

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References

  1. 1 2 3 4 5 Activate Media (2006). "Cu-Climber GHW-1 Wederkehr" . Retrieved May 13, 2011.
  2. 1 2 3 4 5 6 Said, Bob: 1983 Sailplane Directory, Soaring Magazine , page 43. Soaring Society of America November 1983. USPS 499-920
  3. 1 2 3 Federal Aviation Administration (May 2011). "Make / Model Inquiry Results" . Retrieved May 13, 2011.
  4. ↑ Federal Aviation Administration (May 2011). "Make / Model Inquiry Results" . Retrieved May 15, 2011.
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