Windward Performance DuckHawk
| Windward Performance DuckHawk | |
|---|---|
| Type: | Glider |
| Design country: | |
| Manufacturer: | |
| First flight: |
2011 |
| Production time: |
until 2016 |
| Number of pieces: |
at least 4 |
The Windward Performance DuckHawk is a single-seat glider of the standard class , that of Windward Performance in Bend was developed and built.
The aircraft has not been offered since 2016.
construction
The DuckHawk is derived from the Windward Performance SparrowHawk , structurally reinforced construction with higher flight performance. The cell of the means Deckers in prepreg - CFK -Schalenbauweise has a cantilevered wing with electrically activated valve positions of the flaperons , double-deck air brakes at the top, a cross-tail and an electrically braked on and retractable main wheel. By using high-temperature prepregs, it is possible to paint in colors other than white. Ballast tanks for 180 l of water are located in the wings.
Versions
- DuckHawk E - Electric motor glider version, FAA approved on August 9, 2011.
- DuckHawk V (Veloce) - basic model with 180 kg empty weight, 440 kg maximum take-off weight and + 7 / −5g load factor. FAA approval in 2014, three aircraft built.
- DuckHawk SV (Super Veloce) - project with 64% thicker spar and reinforced hull, 197 kg empty and 440 kg max. Starting mass, + 11 / −9g load factor
- DuckHawk VNX - project with thicker wing shell for 417 km / h top speed, 206 kg empty and 520 kg max. Starting mass, + 11 / −9g load factor
use
Chip Garner won the US Gliding Championship in 2012 in the 15m class and came second in the 18m class. In December 2016 were in the United States four airplanes - three DuckHawk V and a DuckHawk E - approved by the FAA.
Technical specifications
| Parameter | DuckHawk V | DuckHawk SV | DuckHawk VNX |
|---|---|---|---|
| crew | 1 | ||
| length | 6.30 m | ||
| span | 15.0 m | ||
| height | 1.12 m | ||
| Wing area | 7.4 m² | ||
| Wing extension | 30th | ||
| Wing profile | ten profiles of Greg Cole | ||
| Glide ratio (calculated) | 50 | ||
| Slightest sinking | |||
| Empty mass | 180 kg | 197 kg | 206 kg |
| Takeoff mass | 440 kg | 520 kg | |
| Max. Wing loading | 59 kg / m² | 70 kg / m² | |
| Load factor | + 7 / −5g | + 11 / −9g | |
| Maneuver speed | 213 km / h | 296 km / h | 315 km / h |
| Top speed | 311 km / h | 370 km / h | 417 km / h |
See also
Web links
- DuckHawk on the Windward Performance on Archive.org website
- DuckHawk on www.j2mcl-planeurs.net with picture and three-sided view
Individual evidence
- ↑ a b c d e FAA Registry - Aircraft - Make / Model Inquiry. FAA, accessed May 15, 2018 .
- ^ A b Robby Bayerl, Martin Berkemeier, et al .: World Directory of Leisure Aviation 2011-12 , page 138. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
- ↑ a b c d e DuckHawk - Features. In: windward-performance.com. 2011, archived from the original ; accessed on May 15, 2018 (English).
- ↑ Stephen Mraz: Windward Performance Designs and Manufactures Sailplanes and Gliders. The Perlan to Set Altitude Record for Manned Flight. In: machinedesign.com. June 2, 2009, accessed May 15, 2018 .
- ^ FAA Registry - Aircraft - N-Number Inquiry. FAA, accessed May 15, 2018 .
- ↑ a b c d e f The fastest glider in the world. (PDF; 1.4 MB) In: windward-performance.com. Archived from the original ; accessed on May 15, 2018 (English).
- ↑ Fred Hermanspann: More news from Windward Performance. In: evergreensoaring.info. May 4, 2013, accessed May 17, 2018 .