| SGA 41 | |
|---|---|
| Role | Racing aircraft |
| National origin | France |
| Manufacturer | Lorraine-Hanriot |
| First flight | May 1930 |
| Number built | 1 |
The Lorraine-Hanriot SGA 41 was a French aircraft built bt Lorraine-Hanriot in 1930 to compete for the Michelin Cup long-distance flying competition, which it won in 1931 and 1932.
Design edit
The SGA 41 was a low-wing monoplane with a fixed undercarriage powered by a 230 hp Lorraine Algol Junior air-cooled radial engine: the rules of the Michelin competition then in force restricted the power of competing aircraft to 230 hp.[1] The aircraft was first flown with the engine uncowled: later a townend ring was fitted and subsequently the engine was enclosed in a NACA cowling, The airframe was constructed of wood, the fuselage being a conventional box-girder faired to a rounded section with the rear part fabric covered and the front covered with duralumin sheeting. The pilot occupied an open cockpit, in front of which the windscreen was incorporated in an elongated fairing. The wings were built up around three spars and were covered with birch plywood and had a small parallel-chord centre-section, outboard of which the wings were symmetrically tapered. The tail surfaces were also covered with birch ply. The fixed undercarriage consisted of spatted wheels with oleo-pneumatic suspension carried on faired-over V-struts and a sprung tailskid.[2]
Operational history edit
First flown in May 1930, it was badly damaged while landing during an Michelin Cup attempt on 19 June [3] It was subsequently rebuilt, and flown by Marcel Haegelen won the Michelin Cup in 1931 and 1932, completing the 1931 course in 11h 37m 21s an average speed of 226.4 km/h (140.7 mph),[4] and in 1932 completing the 2,631 km (1,635 mi) course at an average speed of 254 km/h (158 mph).[5]
Specifications edit
Data from l'Aérophile, Salon 1932 special issue , pp.12-13
General characteristics
- Crew: 1
- Length: 6.877 m (22 ft 7 in)
- Wingspan: 12.20 m (40 ft 0 in)
- Height: 3.0 m (9 ft 10 in)
- Wing area: 14 m2 (150 sq ft)
- Empty weight: 950 kg (2,094 lb)
- Gross weight: 1,380 kg (3,042 lb)
- Powerplant: × Lorraine Algol Jr 9-cylinder air-cooled radial engine, 170 kW (230 hp)
Performance
- Maximum speed: 296 km/h (184 mph, 160 kn)at cruising speed
- Service ceiling: 5,500 m (18,000 ft)
- Time to altitude: 3.5 min to 1,000m,
- Wing loading: 46 kg/m2 (9.4 lb/sq ft)
References edit
- ^ "The Michelin Cup". Flight. 8 July 1932.
- ^ "Lorraine-Hanriot SGA 41". l'Aérophile: 12–13. 1932 Salon Aéronautique issue.
{{cite journal}}: Check date values in:|date=(help) - ^ "Lorraine Hanriot LH-41". Aviafrance. Retrieved 13 August 2014.
- ^ "Le Monoplan Hanriot 41". l'Aérophile: 208. 15 July 1931.
- ^ "Commission Sportive". l'Aérophile: 254. August 1932.