"Boeing" / "Stirmen" model 75. A photo. Characteristics
"Boeing" / "Stirmen" model 75. A photo. Characteristics

"Boeing" / "Stirmen" model 75. A photo. Characteristics



A type: single-engine biplane trainer

Crew: Two pilots are arranged one behind the other

Built on its own initiative by "Aircraft Stirmen K °» (Stearman Aircraft Company), acquired in 1934, the company "Boeing", using as a basis for a model aircraft with the same firm. H70 plane (a designation given to it by the manufacturer) was submitted as a candidate in accordance with the requirements of the US Air Force 1934 years to the basic training aircraft. Therefore, quite ironic that the first service, have expressed interest in the aircraft H70 became the US Navy, which at the beginning of the year 1935 61 ordered aircraft (designated NS-1).

After lengthy evaluations aircraft H70 in 1936, the US Air Force still bought an initial batch, but only 26 aircraft (which was given the designation RT-13). This is a small amount reflecting the lack of funding while air corps. But that all changed with the outbreak of the Second World War - the RT-3519 17 aircraft was built only 1940 year. During its operation the main plane 75 model (as it was officially known after 1939 years) of "Boeing" has received a great number of symbols, they usually reflect the installed engine.

In the "edge of the North" by Canadian aircraft was given the name "Cadet", which is now applied to all modifications of the aircraft model 75 companies "Boeing" / "Stirmen". By the time production ceased more than 1945 aircraft was built at the beginning of the year 10000 and 1000 now more of them fly around the world.

"Boeing" / "Stirmen" model 75. A photo


Basic data


  • Length: 7,63 m
  • Wingspan: 9,80 m
  • Height: 2,79 m


Power point: «Continental» R-670 or "Lycoming» R-680

Power: 220 l. from. (164 kW)

On right: Although production was discontinued before the end of the Second World War, aircraft of "Stirmen" remains in airworthiness condition more than any other historical military aircraft.

The weight:

  • BLANK: 878 kg
  • Maximum take-off: 1232 kg


Date of first flight: December 1933 years (aircraft H70 "Stirmen" Company)

Aircraft performance characteristics:

  • Maximum speed: 200 km / h
  • Range: 813 km


The surviving airworthy modifications: RT-13, RT-17, RT-18, 27-RT and N2S