252T
Role Side-by-side two seat homebuilt light-sport aircraft
National origin Switzerland
Manufacturer MSW Aviation, built by Wassmer Aviation
First flight 26 June 2009
Developed from MSW Votec 322

The MSW Votec 252T is a single engine kitbuilt light-sport aircraft with side-by-side seating for two, designed and built in Switzerland and was first flown in 2009. By October 2011 only this first prototype has flown.

Design and development

The Votec 252T is a side-by side seat development of MSW's earlier tandem seat Votec 322. The prototype, powered by a modified Lycoming IO-540-J3A5 flat-six engine, marries the wooden wings and empennage of the latter to a new, carbon fibre fuselage, though a carbon fibre wing is under development. All flying surfaces are straight tapered and square tipped, the wing low mounted and the tailplane located on the upper fuselage; the rudder extends down to the keel. The ailerons are balanced with external spades.[1]

The Votec 252T has a cabin over the wing, with baggage space behind the seat, under a single piece canopy. It has a fixed tricycle undercarriage with fuselage mounted cantilever legs and with speed fairings on all wheels. The nosewheel casters; there is a small tailskid for rudder protection.[1]

The first prototype flew on 26 June 2009. A second prototype with a 260 kW (350 hp) Lycoming AEIO-580 engine, redesignated the Votec 352T, is under development but had not flown by October 2011.[1]

Specifications (252T)

Data from Jane's All the World's Aircraft 2012–13[1]

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 6.75 m (22 ft 2 in)
  • Wingspan: 7.70 m (25 ft 3 in)
  • Height: 2.20 m (7 ft 3 in)
  • Wing area: 11.28 m2 (121.4 sq ft)
  • Aspect ratio: 5.3
  • Empty weight: 630 kg (1,389 lb)
  • Max takeoff weight: 950 kg (2,094 lb)
  • Fuel capacity: 166 kg (365 lb)
  • Powerplant: 1 × Lycoming AEIO-540-X flat-six engine, 190 kW (250 hp)
  • Propellers: 4-bladed MT-Propeller MTV-14 constant speed, 1.95 m (6 ft 5 in) diameter (diameter from [2])

Performance

  • Cruise speed: 306 km/h (190 mph, 165 kn)
  • Stall speed: 106 km/h (66 mph, 57 kn)
  • Never exceed speed: 433 km/h (269 mph, 234 kn)
  • Range: 1,398 km (869 mi, 755 nmi)
  • g limits: 8/-8
  • Rate of climb: 17.8 m/s (3,500 ft/min) maximum from sea level
  • Landing and take-off runs: 300 m

References

  1. 1 2 3 4 Jackson, Paul A. (2012). Jane's All the World's Aircraft  : development & production : 2012–13. IHS Global. p. 615. ISBN 978-0-7106-3000-1.
  2. ↑ "MT Propellers – hydraulic". Retrieved 19 August 2012.
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