Schleicher K 10

K 10
Role Standard class glider
National origin Germany
Manufacturer Alexander Schleicher Segelflugzeugbau
Designer Rudolf Kaiser
First flight August 1963
Number built 12


The Schleicher K 10 is a Standard class competition glider, designed by Rudolf Kaiser and built in Germany in 1963. Only a few were produced.

Design and development

The K 10 is a cantilever shoulder wing glider with a single spar wing built from pine and plywood. Its covering is mostly fabric but glass fibre is used in places where the surface has double curvature. Wortmann airfoils replaced the NACA 63 series profiles of the successful Schleicher Ka 6 with the intention of producing higher speeds. The straight leading edge is unswept, but a swept trailing edge produces a forward sweep at quarter chord of 1.2°. There is 3° of dihedral. The taper increases slightly on the outer wing panels, where ply covered ailerons are hinged on the upper wing surfaces. Schempp-Hirth airbrakes are fitted inboard.[1]

Its fuselage is a ply shell formed around wooden bulkheads and stringers and again GRP is used for areas with double curvature. The cockpit is enclosed by a moulded Perspex canopy. The tail surfaces are straight tapered and built in the same way as the wings. It has all-moving elevators mounted on the fin at the top of the fuselage, far enough forward that only a small cut out was required for movement of the fabric covered rudder, which extends down to the keel. The K 10 has a fixed, semi-recessed monowheel undercarriage assisted by a tail skid.[1]

The K 10 made its first flight in August 1963.[1] The Wortmann profiles did improve high speed performance but the K 10 lost the excellent low speed handling characteristics of the Ka 6, so only twelve K 10s were built and Kaiser's attention turned to producing an improved Ka 6, the Ka 6E which adopted the all-moving tailplane of the K 10 but used the earlier NACA airfoils.[2] Three K 10s remained on the German civil aircraft register in 2010.[3] A Swiss registered K 10 crashed fatally in 1999.[4]

Specifications

Data from Jane's All the World's Aircraft 1964/65[1]

General characteristics

Performance



References

  1. 1 2 3 4 Taylor, John W R (1964). Jane's All the World's Aircraft 1964-65. London: Sampson Low, Marston & Co. Ltd. p. 364.
  2. ↑ "Alexander Schleicher". Retrieved 12 February 2014.
  3. ↑ Partington, Dave (2010). European registers handbook 2010. Air Britain (Historians) Ltd. ISBN 978-0-85130-425-0.
  4. ↑ "Air Safety Network report". Retrieved 12 February 2014.
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