RagWing RW1 Ultra-Piet

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RagWing RW1 Ultra-Piet
Role Ultralight aircraft
National origin United States
Manufacturer Ragwing Aircraft Designs
Designer Roger Mann
First flight 1994 (RW5 & RW6)
Status Plans available (2015)
Number built 22 (January 1999)
Unit cost
US$3,366 (kit, 2015)

The RagWing RW1 Ultra-Piet is a family of single seat, parasol wing, single engine ultralight aircraft designed by Roger Mann and sold as plans by RagWing Aircraft Designs for amateur construction.[1][2][3][4][5][6][7]

Design and development[edit]

The RW1 was designed as an FAR 103 Ultralight Vehicles compliant aircraft that would have an empty weight within that category's 254 lb (115 kg) empty weight limit. The RW1 was designed as a 3/4 scale ultralight version of the classic 1920s vintage Pietenpol Air Camper.[1][3][7][8]

The airframe is constructed entirely from wood and covered with aircraft fabric. The landing gear is of conventional configuration and the wings are detachable. The aircraft's installed power range is 24 to 48 hp (18 to 36 kW) and the standard engine was originally the 38 hp (28 kW) Kawasaki 440. The Volkswagen air-cooled engine has been used, as well as the 35 hp (26 kW) Half VW and 35 hp (26 kW) 2si 460.[1][2][3][4][7][8]

Partial kits and construction kits were available in the late 1990s, but today the series are only offered as plans. Reported construction time is 300–500 hours.[1][3]

The same basic airframe design was also used to produce the RW5 which is a replica of the Heath Parasol and the RW6 Rag-A-Muffin.[1]


RW1 Ultra-Piet
Ultralight replica of the Pietenpol Air Camper.[1][5][7]
RW5 Heath Replica
Full sized ultralight replica of the Heath Parasol, first flown in 1994.[1][4][9]
RW6 Rag-A-Muffin (formerly the Sport Parasol)
Ultralight replica of the Pietenpol Air Camper for short and rough fields and with extra stowage, first flown in 1994.[1][3][4][10]

Specifications (RW1)[edit]

Data from Kitplanes, Purdy and RagWing[3][4][5]

General characteristics

  • Crew: one
  • Length: 15 ft 0 in (4.57 m)
  • Wingspan: 25 ft 6 in (7.77 m)
  • Height: 5 ft 10 in (1.78 m)
  • Wing area: 1,260 sq ft (117 m2)
  • Empty weight: 254 lb (115 kg)
  • Gross weight: 550 lb (249 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


  • Cruise speed: 55 mph (89 km/h; 48 kn)
  • Stall speed: 24 mph (39 km/h; 21 kn)
  • Never exceed speed: 85 mph (137 km/h; 74 kn)
  • Range: 125 mi (109 nmi; 201 km)
  • Service ceiling: 10,000 ft (3,000 m)
  • g limits: +4/-2
  • Rate of climb: 650 ft/min (3.3 m/s)

See also[edit]

Aircraft of comparable role, configuration and era


  1. ^ a b c d e f g h Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, page B-49. Cybair Limited Publishing, 2001. ISBN 0-9680628-1-4
  2. ^ a b Bertrand, Noel; Rene Coulon; et al: World Directory of Leisure Aviation 2003-04, page 155. Pagefast Ltd, Lancaster OK, 2003. ISSN 1368-485X
  3. ^ a b c d e f Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 234. BAI Communications. ISBN 0-9636409-4-1
  4. ^ a b c d e Downey, Julia: 1999 Plans Aircraft Directory, Kitplanes, Volume 16, Number 1, January 1999, page 65. Primedia Publications. ISSN 0891-1851
  5. ^ a b c RagWing Aircraft Designs (2006). "RW1 RagWing Ultra-Piet "Pete"". Retrieved 29 December 2010. 
  6. ^ RagWing Aircraft Designs (2006). "RagWing Price List". Retrieved 29 December 2010. 
  7. ^ a b c d Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 117. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  8. ^ a b Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 123. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  9. ^ RagWing Aircraft Designs (2006). "RW5 RagWing Heat Replica". Retrieved 29 December 2010. 
  10. ^ RagWing Aircraft Designs (2006). "RW6 Ragwing Parasol (Rag-A-Muffin)". Retrieved 29 December 2010. 

External links[edit]