Technical data
Function Trainer
Year 1917
Crew 2
Engines 1*80hp Rhône
Length 8.0m
Wingspan 10.2/8.8m
Wing area 33.1m2
Empty weight 340kg
Loaded weight 540kg
Wing Load (kg/m2) 16.8
Power load (kg/hp) 6.7
Maximum Speed 110km/h
Takeoff/Landing Roll 70/30m
Flight endurance 4.5h
Ceiling 3500m
1000m 8.5min
3000m 45.0min

Porokhovschikov-IV, A.A.Porokhovschikov

20k b/w form "History of aircraft construction in the USSR", Vol.1 p.290;

Two-seat pusher biplane trainer, intended to replace Farman-IV and Farman-XXVI. Instructor seated behind the trainee. All trainee controls (including ignition) could be disabled by instructor.

Flight tested February-May 1917. After 131 test flight aircraft was accepted as a trainer.

After the October Revolution (AKA the Bolshevik Revolt) and years of civil war interest to the aircraft returned, and improved P-IVbis was build in small series (February 1920). It differed by tractor propelled and side-by-side seats.

P-IV-2bis was another tractor version, with instructor seat behind the trainee.

Aircraft in service until 1923.

  • "History of aircraft construction in the USSR", Vol.1 p.289;

  • Modified October 8, 1997 Back to
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