Ekolot JK 01A Elf

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JK 01A Elf
Ekolot JK-01A Elf.jpg
Role Motor glider
National origin Poland
Manufacturer Ekolot
DesignerJerzy Krawczyk
First flight8 July 2006
StatusProduction completed
Developed into Ekolot KR-010 Elf

The Ekolot JK 01A Elf is a Polish mid-wing, single-seat motor glider, designed by Jerzy Krawczyk and produced by Ekolot of Krosno. Production has ended, but when it was available it was provided as a complete ready-to-fly aircraft or as a kit for amateur construction. It was superseded in production by the improved Ekolot KR-010 Elf. [1]

Contents

Design and development

The JK 01A Elf was designed by Krawczyk, based on the earlier work of American designer Alex Strojnikun. It features cantilever wings, a single-seat enclosed cockpit under a bubble canopy, fixed landing gear and a single engine in pusher configuration. [1]

The aircraft is made from composites. Its 11.12 m (36.5 ft) span wing has an area of 10.80 m2 (116.3 sq ft), flaperons and provides a glide ratio of 26:1. The standard engine used was a 20 hp (15 kW) JPX D-320 two-stroke, but this engine is no longer available and any small horizontally-opposed engine in the 20 hp (15 kW) range can be used. An engine of this power provides a takeoff run of 150 m (492.1 ft). The propeller used has a folding design to reduce drag and the fuel tank fitted has a volume of 15 litres (3.3 imp gal; 4.0 US gal). The landing gear uses dual, close-set mainwheels and a smaller nosewheel, with no wingtip wheels. [1]

The company provides complete ready-to-fly aircraft and kits which offer the aircraft in various states of completion. [1]

The first flight was made on 8 July 2006. There is no evidence of production beyond 2007/8. [2]

Specifications (JK 01A Elf)

Data from World Directory of Leisure Aviation 2011-12 and Ekolot [1] [3]

General characteristics

Performance

See also

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The Ekolot KR-010 Elf is a Polish mid-wing, single-seat motor glider, produced by Ekolot of Krosno. It is the successor to the Ekolot JK 01A Elf. It was designed by Jerzy Krawczyk. It employs flaperons.

References

  1. 1 2 3 4 5 Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 135. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. ↑ Gunston, Bill (2015). Jane's All the World's Aircraft  : development & production : 2015-16. IHS Global. p. 499. ISBN   978-0-7106-3135-0.
  3. ↑ Ekolot (28 September 2008). "Technical data of JK 01A Elf". Archived from the original on 18 April 2012. Retrieved 8 December 2012.
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