Porokhovshchikov 2

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The Porochowschtschikow 2 ( Russian Пороховщиков 2 , also Bi-Kok , Би-Кок) was a Russian military aircraft .

This machine was the first Russian aircraft with double tail booms and was supposed to fly as a two-seat reconnaissance aircraft with double rudders. The construction was optimized for quick dismantling and packing in small boxes with wing struts reinforced with steel strips.

The first flight took place on August 15, 1914 and the performance exceeded all expectations despite the low engine power. The military wanted a small series called Bi-Cocque to be built in the FF Tereschenko factory. The designer Porokhovshchikov refused to do this because he wanted to produce the machine himself and in larger numbers. So there was no agreement. The prototype was later used for various tests, including a. They also tried out a crawler track with him.

Technical specifications

Parameter Data
crew 2
length 7.50 m
span 10.50 m
Wing area 20.50 m²
Empty mass 260 kg
Takeoff mass 516 kg
Wing loading 25.20 kg / m²
Power load 10.30 kg / hp
Climbing time to 1000 m 5 min
Engine an air-cooled Gnome rotary engine , 50 HP starting power

See also

Web links

History (russian)