Windward Performance GosHawk
| Windward Performance GosHawk | |
|---|---|
| Type: | Motor glider , electric plane |
| Design country: | |
| Manufacturer: | |
The Windward Performance GosHawk is a two-seat motor glider from the US manufacturer Windward Performance that is offered as a kit .
History and construction
The GosHawk was designed for the Green Flight Challenge 2011 for aircraft with electric, biofuel and hybrid propulsion, but was not completed in time. The cantilevered low-wing with a rigid spur wheel chassis has greatly extended wing 2.5 ° dihedral that modifies from the DuckHawk were taken, and a cross-tail with steamed side and elevator . The entrance door is on the left. The wing and tail unit can be removed for transport in the trailer, the ends of the wing can be dismantled for easy hangaring,
The plane is made from prepreg - CFK built. Toray T700 carbon fibers are used and Diab Divinycell HP is used as a support.
In addition to an electric motor, two piston motors are provided for the motorization : a two-cylinder HKS 700E with 56 HP or a Rotax with 85 HP.
Technical specifications
| Parameter | GosHawk V | GosHawk SV | GosHawk VNX |
|---|---|---|---|
| crew | 1 + 1 | ||
| length | 21 ft (6 m) | ||
| span | 50.83 ft (15 m) | ||
| height | 4.55 ft (1 m) | ||
| Wing area | 86.6 ft² (8 m²) | ||
| Wing extension | 31 | ||
| Glide ratio | 40 at 59 kn (109 km / h) (900 lb take-off mass) 38 at 46 kn |
||
| Slightest sinking | 130 ft / min at 46 kn | ||
| Empty mass | 720 lb (327 kg) | ||
| Takeoff mass | 1,200 lb (544 kg) | ||
| Wing loading | kg / m² | ||
| Minimum speed | 42 kn | ||
| Cruising speed | |||
| Top speed | 120 kn (222 km / h) | 200 kn (370 km / h) | 225 kn (417 km / h) |
| Engines |
|
||
See also
Web links
Individual evidence
- ↑ Dean Sigler: Alternative Energies . In: Kitplanes . May 2013, p. 66 (English, kitplanes.com [PDF; 430 kB ]).
- ↑ a b c d e f g h Dean Sigler: Goshawk Goes Electric. In: sustainableskies.org. May 11, 2015, accessed May 29, 2018 .
- ↑ Goshawk Electric. (PDF; 720 kB) In: windward-performance.com. Accessed March 14, 2018 (English).