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Model number stearman 4 speedmail 4-e

General Information of STEARMAN 4 SPEEDMAIL
Designer : Lloyd Stearman

Developed From : Stearman C3

First Flight : 1930

Manufacturer : Stearman Aircraft

National Origin : United States

Number Built : 41

Primary Users : commercial

Role : single-engined commercial biplane

Status : several currently fly in private ownership

Unit_Cost : $16,000 base for a model 4E in 1929[1]

General characteristics of STEARMAN 4 SPEEDMAIL
Capacity : two passengers

Crew : one

Empty Weight : 2,426 lb (1100 kg)

Height : 10 ft 2 in (3.2 m)

Length : 26 ft 4 in (8.0 m)

Loaded_Weight : 3,936 lb (1785 kg)

Payload : 600 lbs (272 kg)

Powerplant : 1 × Pratt & Whitney Wasp, 450 hp (336 kW)

Wingspan : 38 ft 0 in (11.6 m)

Performance of STEARMAN 4 SPEEDMAIL
Cruise Speed : 128 mph

Maximum Speed : 158 mph (256 km/h)

Range : 645 miles (1045 km)

Rate Of Climb : 1,400 ft/minute (7.1 m/s)

Service Ceiling : 18,000 ft (5490 m)

Stall Speed : 53 mph ()

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