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Sud-Est SE-2300 / SE-2310 / SE-2311
Sud-Est SE-2310
Pierre Satre began the SE-2300 design during World War II as a conventionally laid out, all metal, two seat, single engine cantilever monoplane, with tapered low wings having 4° of dihedral built around inverted U-section main and auxiliary spars. The wings had a centre section integral with the fuselage and two outer panels, all covered with electrically welded skin. There were plain flaps, with a maximum deflection of 40°.
The fuselage of the SE-2300 was constructed from four pre-formed panels welded together. A 140 hp (104 kW) Renault Bengali 4 four cylinder, inverted, air-cooled inline engine, fed from a fuselage tank, drove a two blade propeller. The over-wing cabin seated two side-by-side with dual controls. Behind these seats was space for a third (optional in the SE-2300 and standard in the SE-2310 variant) and baggage. There were access doors and rear view transparencies on both sides. At the rear, the tailplane was mounted at mid-fuselage and the fin and deep rudder were straight tapered except near the keel and almost triangular above the fuselage.
The first and only SE-2300 first flew on 26 October 1945 and had a fixed conventional undercarriage with oleo-pneumatic springing, faired main legs and wheels and a swivelling tailwheel. The two SE-2310s had tricycle undercarriages, the first unfaired but the second with faired legs and spats.
With a four seat version, the SE-2311 under development but unbuilt, the three seat SE-3010 was entered into a 1946 French Transport Ministry contest for a four seat tourist aircraft in February 1946. It was not successful, the award going to the Nord 1200 Norécrin and development of the SE-2300 series was abandoned. The last example remained in use until at least 1956 as a company hack.
Original version, two or three seats, conventional undercarriage.
Three seats, tricycle undercarriage. Two built, the second with faired undercarriage legs and wheels.
Three seat, 101 kW (135 hp) Regnier 4L-00 engine.
Engine: 1 × Renault Bengali 4Pei, 140 kW (190 hp)
Propeller: 2-bladed, 1.90 m (6 ft 3 in) diameter wooden
Wingspan: 10.13 m (33 ft 3 in)
Wing area: 15.0 m2 (161 sq ft)
Length: 7.40 m (24 ft 3 in)
Height: 2.11 m (6 ft 11 in)
Empty weight: 685 kg (1,510 lb) equipped
Gross weight: 1,015 kg (2,238 lb)
Maximum speed: 235 km/h (146 mph; 127 kn)
Cruising speed: 212 km/h (132 mph; 114 kn)
Range: 900 km (559 mi; 486 nmi)
Service ceiling: 4,650 m (15,256 ft)
Wing loading: 67 kg/m2 (14 lb/sq ft)
Power/mass: 0.10 kW/kg (0.063 hp/lb)
Landing speed: 75 km/h (47 mph; 40 kn)
Landing distance: 300 m (985 ft) from 8 m (26 ft) with flaps down
Capacity: Two or three

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