Buhl Airsedan

CA-6 Airsedan
CA-6 Airsedan "Spokane Sun-God", Felts Field 1929
Role Civil utility aircraft
Manufacturer Buhl Aircraft Company
Designer Etienne Dormoy
First flight 1928
Number built about 60

The Buhl AirSedan was a civil utility aircraft manufactured in the United States that holds the first transcontinental non-stop roundtrip flight record in 1929 with the Buhl AirSedan "Spokane Sun-God".

Development

The Buhl Airsedan was a civil utility aircraft manufactured in the United States by Buhl Aircraft Company in the late 1920s and early 30s. Later models featured gradually increased seating and larger engines, but all were conventional sesquiplanes with fully enclosed cockpits and passenger cabins.

After Buhl ceased operations, the drawings and jigs were purchased and a small number of CA-6's were built in Canada by the Ontario Provincial Air Service (OPAS) for use as fire spotting aircraft. These differed from the original plans in having more powerful 440 HP Pratt & Whitney engines and Vickers floats.

The prototype CA-3 Airsedan was flown in the 1928 National Air Races, and was purchased in the 1960s by Ed Marquart for restoration. The aircraft was modified for a Lycoming radial engine installation and sold to the Buhl family after his death in 2007. The aircraft was restored to flying condition by Andy Bowman in 2012.[1]

Operational history

One Airsedan, Angelino Jr was piloted by Loren Mendell to first place in the 1929 Oakland-Cleveland Air Derby, and another, Spokane Sun God was used to make the first nonstop roundtrip flight across the United States. Nick Mamer and Art Walker flew it from Spokane, Washington to New York City and back between 15 and 21 August 1929, taking 120 hours 1 minute 40 seconds for the trip and using inflight refuelling to make the distance. Another Airsedan, dubbed Miss Doran, took part in the Dole Air Race but was lost at sea.

Variants

The prototype CA-3 Airsedan on display in 2012
Buhl CA-3B Junior Airsedan photo from Aero Digest May 1928
Buhl CA-3E
Buhl CA-5 Airsedan photo from Aero Digest June 1927
Buhl CA-8 Senior Airsedan photo from Aero Digest December 1928
  • CA-5 Airsedan - five-seat version powered by Wright J-5
    • CA-5A Airsedan - Deluxe version
  • CA-6 Airsedan - six-seat version powered by Wright J-6
    • CA-6A Airsedan - 420 hp Pratt & Whitney Wasp engine
    • CA-6B Airsedan - 450 hp Pratt & Whitney Wasp engine
    • CA-6D Special - six-seat conversion of CA-3D (2 converted)
    • CA-6J Airsedan - five seats and 300 hp Pratt & Whitney Wasp (1 converted from CA-6)
    • CA-6W Airsedan - four seats and 420 hp Pratt & whitney Wasp (1 converted from CA-6)
  • CA-8 Senior Airsedan - eight-seat version powered by 450 hp Pratt & Whitney Wasp
    • CA-8A Senior Airsedan - Wright Cyclone engine
    • CA-8B Senior Airsedan - 520 hp Pratt & Whitney Wasp

Aircraft on display

Specifications (CA-6)

Buhl CA--5 Airsedan 3-view drawing from Aero Digest June 1927

Data from American Landplane Specifications[2]

General characteristics

  • Crew: 1
  • Capacity: 5 passengers
  • Length: 29 ft 8 in (9.04 m)
  • Wingspan: 40 ft 0 in (12.19 m)
  • Height: 8 ft 7 in (2.62 m)
  • Wing area: 315 sq ft (29.3 m2)
  • Empty weight: 2,478 lb (1,124 kg)
  • Gross weight: 4,500 lb (2,041 kg)
  • Fuel capacity: 100 US gal (83 imp gal; 380 L)
  • Powerplant: 1 × Wright J-6 radial engine, 300 hp (220 kW)

Performance

  • Maximum speed: 140 mph (225 km/h; 122 kn)
  • Cruise speed: 120 mph (193 km/h; 104 kn)
  • Stall speed: 45 mph (72 km/h; 39 kn)
  • Range: 720 mi (626 nmi; 1,159 km)
  • Service ceiling: 15,000 ft (4,600 m)
  • Rate of climb: 900 ft/min (4.6 m/s)

See also

References

  1. ↑ "A Rare chance to see a Rare Buhl". Retrieved 17 August 2012.
  2. ↑ Aviation March 1931, pp. 180, 183.
  • "Table 2: American Landplane Specifications: Single-Engined Planes With Seats For More Than Three Persons". Aviation. Vol. 30 no. 3. March 1931. pp. 180, 183. (Registration required (help)).
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 216.
  • aerofiles.com
  • The Flight of the Buhl Airsedan Spokane Sun-God first airplane to make a non-stop transcontinental round-trip flight
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