| 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 |
| Climb | |
| 1000m | 8.5min |
| 3000m | 45.0min |
Porokhovschikov-IV, A.A.Porokhovschikov
|
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.
References:
- "History of aircraft construction in the USSR", Vol.1 p.289;
