RagWing RW9 Motor Bipe

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RagWing RW9 Motor Bipe
Role Ultralight aircraft
National origin United States
Manufacturer Ragwing Aircraft Designs
Designer Roger Mann
First flight 1995
Status Plans available
Number built 1 (RW9 - January 1999)
Unit cost
US$50 (plans only, 2010)

The RagWing RW9 Motor Bipe is a family of single seat, open-frame fuselage, open-cockpit, single engine ultralight aircraft designed by Roger Mann and sold as plans by RagWing Aircraft Designs for amateur construction.[1][2][3][4]

Design and development[edit]

The RW9 was designed as an FAR 103 Ultralight Vehicles compliant biplane that would have an empty weight within that category's 254 lb (115 kg) empty weight limit. The RW9 achieves its light weight in part due to its completely open-frame tube fuselage.[1][2][3]

The RW9's wings are constructed entirely from wood and covered with aircraft fabric. The landing gear is of conventional configuration. The aircraft's installed power range is 22 to 52 hp (16 to 39 kW) and the standard engine is the 38 hp (28 kW) Kawasaki 440A installed in tractor configuration. The 35 hp (26 kW) 2si 460 has also been used.[1][2][3]

The RW9 is available only as plans and reported construction time is 150-175 hours.[1][2][3]

The same basic airframe design was also used to produce the parasol wing RagWing RW16 Aerial.[5]

Variants[edit]

RW9 Motor Bipe
Open-frame fuselage, open-cockpit ultralight biplane first flown in 1995 and powered by a 38 hp (28 kW) Kawasaki 440A or a 35 hp (26 kW) 2si 460.[1][2][3]
RW16 Aerial
Open-frame fuselage, open-cockpit ultralight parasol wing aircraft, powered by a 35 hp (26 kW) Kawasaki 340.[5]

Specifications (RW9)[edit]

Data from Kitplanes, Purdy and RagWing[2][1][3]

General characteristics

  • Crew: one
  • Length: 16 ft 0 in (4.88 m)
  • Wingspan: 18 ft 0 in (5.49 m)
  • Height: 5 ft 6 in (1.68 m)
  • Wing area: 1,300 sq ft (120 m2)
  • Empty weight: 225 lb (102 kg)
  • Gross weight: 525 lb (238 kg)
  • Fuel capacity: 5 US gallons (19 litres)
  • Powerplant: 1 × 2si 460 twin cylinder two stroke aircraft engine, 35 hp (26 kW)
  • Propellers: 2-bladed wooden

Performance

  • Cruise speed: 60 mph (52 kn; 97 km/h)
  • Stall speed: 26 mph (23 kn; 42 km/h)
  • Never exceed speed: 95 mph (83 kn; 153 km/h)
  • Range: 125 mi (109 nmi; 201 km)
  • Service ceiling: 10,000 ft (3,048 m)
  • Rate of climb: 750 ft/min (3.8 m/s)

See also[edit]

Aircraft of comparable role, configuration and era

References[edit]

  1. ^ a b c d e f Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 233. BAI Communications. ISBN 0-9636409-4-1
  2. ^ a b c d e f Downey, Julia: 1999 Plans Aircraft Directory, Kitplanes, Volume 16, Number 1, January 1999, page 66. Primedia Publications. ISSN 0891-1851
  3. ^ a b c d e f RagWing Aircraft Designs (2006). "RW9 Motor Bipe". Retrieved 5 January 2011. 
  4. ^ RagWing Aircraft Designs (2006). "RagWing Price List". Retrieved 29 December 2010. 
  5. ^ a b RagWing Aircraft Designs (2006). "RW16 RagWing Aerial". Retrieved 5 January 2011. 

External links[edit]