SNCASE SE-1010

The SNCASE SE-1010 was a late 1940s French photo-survey aircraft designed and built by SNCASE for the Institut Géographique National, one prototype was built but it crashed and the project was cancelled.[1]

SE-1010
3-views of the SNCASE SE.1010
Role Photo-survey aircraft
National origin France
Manufacturer SNCASE
First flight 24 November 1948
Retired 1 October 1949
Status Destroyed
Number built 1

Design and development

In 1945 SNCASE had designed a "stratospheric" transport for transatlantic postal work designated the SE-1000, it was not built but given a modified nose-section it was built as high-altitude photo-survey aircraft for the Institut Géographique National and designated the SE-1010.[1] If not used as a survey aircraft it was proposed to produce it as a 14-passenger transport.[1]

The SE-1010 was a sleek-looking, four-engined, mid-wing monoplane powered by four Gnome-Rhône 14R 14-cylinder two-row air-cooled radial engine. The prototype SE-1010, with French test registration F-WEEE, first flew on 24 November 1948.[1] On 1 October 1949 the prototype entered a flat-spin during test flying from Mariganne, it crashed killing the six crew near Carcès. The project was canceled and the three aircraft being built were not completed.[1]

Variants
SE-1000
Proposed four-engined stratospheric transatlantic postal aircraft, not built.[1]
SE-1010
High-altitude photo-survey aircraft, one built.[1]
SE-1011
Production aircraft: three under construction when project was abandoned.
SE-1015
Long-range 18 seater courier airliner'
SE-1020
Maritime patrol aircraft with Jumo 213 engines and gun turrets.
SE-1030
Proposed 40-passenger airliner variant, not built.[1]
SE-1035
Proposed airliner variant, not built.
SE-1040
Proposed turboprop test-bed to evaluate the Rolls-Royce Dart engine.

Specification (Survey aircraft)

Data from French Postwar Transport Aircraft,[1] Jane's all the World's Aircraft 1947[2]

General characteristics

  • Crew: 4
  • Capacity: 14 pax, 4 pax with freight hold, 8 pax with freight hold, or 0 pax with 26.5 m3 (940 cu ft) freight hold
  • Length: 21.81 m (71 ft 7 in)
  • Wingspan: 31 m (101 ft 8 in)
  • Height: 5.2 m (17 ft 1 in)
  • Wing area: 116.3 m2 (1,252 sq ft)
  • Empty weight: 14,000 kg (30,865 lb)
  • Gross weight: 25,000 kg (55,116 lb) -27,000 kg (60,000 lb) (photographic aircraft)
  • Gross weight passenger version: 33,000 kg (73,000 lb)
  • Fuel capacity: 16,040 L (4,240 US gal; 3,530 imp gal) fuel;380 L (100 US gal; 84 imp gal) oil
  • Powerplant: 2 × Gnome-Rhône 14R-28 14-cylinder two-row air-cooled radial engine, 1,200 kW (1,600 hp) each for take-off; LH rotation fitted to starboard
  • Powerplant: 2 × Gnome-Rhône 14R-29 14-cylinder two-row air-cooled radial engine, 1,200 kW (1,600 hp) each for take-off; RH rotation fitted to port
  • Propellers: 3-bladed Ratier, 3.8 m (12 ft 6 in) diameter constant-speed propellers

Performance

  • Maximum speed: 635 km/h (395 mph, 343 kn) at 8,000 m (26,000 ft)
  • Cruise speed: 540 km/h (340 mph, 290 kn) at 8,000 m (26,000 ft)
  • Range: 7,300 km (4,500 mi, 3,900 nmi) no headwind
  • Time to altitude: 8,000 m (26,000 ft) in 36 minutes; 9,000 m (30,000 ft) in 46 minutes
  • Wing loading: 283 kg/m2 (58 lb/sq ft) at 33,000 kg (73,000 lb)
  • Power/mass: 6.84 kg/kW (11.3 lb/hp) at 33,000 kg (73,000 lb)

Notes
  1. Chillon/Dubois/Wegg 1980, p.101
  2. Bridgman, Leonard, ed. (1947). Jane's all the World's Aircraft 1947. London: Sampson Low, Marston & Co. pp. 137c–138c.

Bibliography
  • Chillon, Jacques. Dubois, Jean-Pierre and Wegg, John. French Postwar Transport Aircraft, Air-Britain, 1980, ISBN 0-8513-0078-2.
  • Mesnard, Joël (2018). "Tragique: The Sud-Est SE.1010". The Aviation Historian (25): 90–99. ISSN 2051-1930.
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