Engineering:Flylight Doodle Bug

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Doodle Bug
Role Powered hang glider
National origin United Kingdom
Manufacturer Flylight Airsports
Introduction 1999
Status Production completed

The Flylight Doodle Bug is a British powered hang glider that was designed and produced by Flylight Airsports starting in 1999.[1][2][3] The aircraft is now out of production.

Design and development

The aircraft features a cable-braced hang glider-style high-wing, weight-shift controls, single-place accommodation in the seated position, foot-launching and landing and a single engine in pusher configuration.[1]

The aircraft uses a standard hang glider wing, made from bolted-together aluminium tubing, with its single surface wing covered in Dacron sailcloth. The wing is supported by a single tube-type kingpost and uses an "A" frame control bar. The engine is a lightweight, two-stroke, single cylinder Radne Raket 120 of 14 hp (10 kW). The Doodle Bug differs from other powered hang gliders in that the pilot flies in the seated position. A cloth fairing behind the pilot streamlines drag and provides space for baggage stowage. The propeller is protected on the ground by two support legs that retract automatically when the pilot assumes the normal flying position, though pressure on the foot rest. Electric starting is optional.[1][2][3]

Specifications (Doodle Bug)

Data from Cliche[1]

General characteristics

  • Crew: one
  • Empty weight: 46 lb (21 kg) plus the weight of the wing
  • Fuel capacity: 1.5 U.S. gallons (5.7 L; 1.2 imp gal)
  • Powerplant: 1 × Radne Raket 120 two-stroke, single cylinder, air-cooled aircraft engine, 14 hp (10 kW)
  • Propellers: 2-bladed wooden, made from laminated yellow poplar with a polyurethane leading edge protection strip

Performance

  • Cruise speed: 25 mph (40 km/h, 22 kn)
  • Stall speed: 14 mph (23 km/h, 12 kn) depending on wing employed
  • Rate of climb: 400 ft/min (2.0 m/s)

References

  1. 1.0 1.1 1.2 1.3 Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page C-33. Cybair Limited Publishing, 2001. ISBN:0-9680628-1-4
  2. 2.0 2.1 Flylight Airsports (n.d.). "Flylight Doodle Bug". http://www.flylight.co.uk/footlaunched/index.htm. Retrieved 1 February 2012. 
  3. 3.0 3.1 Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 67. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X

External links