Stearman LT-1
LT-1 | |
---|---|
Role | light transport biplane |
National origin | United States |
Manufacturer | Stearman Aircraft Company
|
Number built | 3 |
Developed from | Stearman M-2 Speedmail |
The Stearman LT-1 (Light Transport-1) was a late 1920s American biplane, carrying four passengers plus mail.
Design and development
The LT-1 was a slightly enlarged version of the
The LT-1 was powered by a 525 hp (391 kW)
Its tail was conventional, with a
The undercarriage was also conventional, though with a tail wheel rather than a skid. Its mainwheels were on split axles and rearward drag struts, both mounted centrally on the fuselage underside, with vertical shock-absorbing legs.[1]
Operational history
The date of the LT-1's first flight is not known but it was certificated in 1929. The prototype was destroyed not long after its first flight by a wind storm. At least one was used by Interstate Airlines until 1934, after which it operated in China.[2]
Specifications
Data from Aero Digest (September 1929)[1]
General characteristics
- Crew: one
- Capacity: four passengers
- Length: 32 ft 9 in (9.98 m)
- Upper wingspan: 49 ft (15 m)
- Lower wingspan: 34 ft 6 in (10.52 m)
- Wing area: 347 sq ft (32.2 m2) upper wing, 143 sq ft (13.3 m2)
- Empty weight: 3,932 lb (1,784 kg)
- Gross weight: 6,500 lb (2,948 kg) <bk/>
- Payload: 1,500 lb (680 kg)
- Fuel capacity: 146 US gal (122 imp gal; 550 L)
- Powerplant: 1 ×
Performance
- Maximum speed: 140 mph (230 km/h, 120 kn)
- Cruise speed: 115 mph (185 km/h, 100 kn) <bk/>
- Landing speed: 50 mph (80 km/h; 43 kn)
- Range: 770 mi (1,240 km, 670 nmi)
- Service ceiling: 18,000 ft (5,500 m)
- Rate of climb: 900 ft/min (4.6 m/s)
See also
Related development
References
- ^ a b c d e Horsefall, J.E., ed. (August 1929). "Stearman Light Transport". Aero Digest. Vol. 15, no. 2. New York City: Aeronautical Digest Publishing Corp. p. 146.
- ^ a b "Aerofiles: Stearman". Retrieved 25 May 2020.