Bréguet 500 Colmar

The Bréguet 500 Colmar was a 1940s French airliner designed by Bréguet Aviation.[1] Two prototypes were built during the Second World War but only one survived to fly in 1945. The prototype went on to operate as a VIP transport with the French Air Force but no others were built.[1][2]

Colmar
Role Airliner
National origin France
Manufacturer Bréguet Aviation
First flight 27 February 1945
Retired October 1947
Primary user French Air Force
Number built 1

Design and development

Originally started under the designation 483T, the Colmar was designed as a twin-engined airliner or VIP and staff transport, based on the earlier four-engined Bréguet 482 bomber.[2] It was an all-metal mid-wing cantilever monoplane with twin fins and rudders and retractable tailwheel landing gear. The fuselage cabin was divided into two due to the main spar, up to six passengers in the forward cabin and 17 in the rear.[2] Work started at Montaudran on two prototypes during the German occupation which were given the designation Bréguet 500 Colmar.[2] In April 1944 one of the almost completed prototypes was destroyed by the Royal Air Force during a bombing raid on the factory.[2]

Following the liberation of France, the surviving prototype, powered by two Gnome-Rhône 14R-04 / Gnome-Rhône 14R-05 radial engines, first flew on 27 February 1945.[2][3] Plans to put the type into production as the Bréguet 510 Colmar were abandoned, and, after testing, the sole Colmar was delivered to the French Air Force for use as a VIP transport.[2] The Colmar was withdrawn from service in October 1947 and scrapped.

Operators
 France

Variants
500 Colmar
Twin-engined airliner prototype, one built and one destroyed before completion.[2]
510 Colmar
Proposed production variant with longer fuselage, not built.[2]

Specifications (500 Colmar)

Data from [1]Illustrated Encyclopedia of Aircraft

General characteristics

  • Capacity: 23
  • Length: 19.95 m (65 ft 5 in)
  • Wingspan: 24.10 m (79 ft 1 in)
  • Height: 4.80 m (15 ft 9 in)
  • Wing area: 66.70 m2 (718.0 sq ft)
  • Max takeoff weight: 14,380 kg (31,702 lb)
  • Powerplant: 2 × Gnome-Rhône 14R-04 / Gnome-Rhône 14R-05 radial piston engine, 1,200 kW (1,600 hp) each

Performance

  • Cruise speed: 400 km/h (250 mph, 220 kn) approx
  • Range: 2,000 km (1,200 mi, 1,100 nmi)

gollark: Of course, they could fail, so we have orbital recreational nukes standing by.
gollark: Orbital laser strikes *should* be able to neutralize whom.
gollark: The one we call "whom" cannot be tolerated any more. It is time for indecisive action.
gollark: Yes.
gollark: I am going to orbitally lase you.

References
Notes
  1. Orbis 1985, p. 876
  2. Chillon et al 1980, p. 156
  3. "French Substratosphere Transport Was Hidden From Nazis", November 1948, Popular Science US magazine editors had wrongly named aircraft photo Bellatrix - rare photo in article
Bibliography
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
  • Chillon, J; J-P Dubois and J.Wegg (1980). French Postwar Transport Aircraft. Tonbridge, England: Air-Britain (Historian) Limited. ISBN 0-85130-078-2.
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