Alexander Schleicher K-21: VH-WKI

AS K21 Two seat training and fun glider

The AS K21 is a pleasant glider to fly. It is suitable for training and cross country flight, and is fully aerobatic. While not an all-out performance glider, it is one that people enjoy flying.

The glider's systems are relatively simple: fixed undercarriage, no water ballast. A spin kit will be provided for spin training and check flights.

This sailplane is new to Waikerie: it was purchased from another club in 2008.


Performance
Best L/D about 34 at 48.5 knots.
Minimum sink (single-seated) 0.65 m/s

AS K21 3-view

Specifications
Two seat sailplane: tandem seating, wingspan 17 m, fixed sprung main wheel with nosewheel, T tail.
Wing Area:  17.95 m²
Empty weight: 382 kg
Maximum weight: 600 kg
Minimum pilot weight: 70 kg (front seat)
Maximum pilot weight: 110 kg (either seat)
Wing loading range: 25.2 to 33.4 kg/m²
Max. speed 151 kts
Maneuvering speed 97 kts
Dive brakes extended up to 135 kts
Maximum load factor (97 kts) +6.5 -4.0
Maximum load factor (151kts) +5.3 -3.0

See also: Schleicher's webpage about this glider

The club's Handling Notes for the K21 are in Club Documents.
K21 Handling Notes, MS Word, 184 kB

An Ilec SB-8 vario is fitted: its manual is in Club Documents.
Ilec SB-8 manual (PDF, 1 MB)

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