It had flat, square wings and a noiseless rear propeller in a camouflaged exhaust cowling.
The aircraft suffered from stability problems due to insufficient aileron control and unpredictable variations caused by the rear propeller working in the wake of the front one.
The YAK 58, which has a rear propeller, is to be shown for the first time in western Europe and is not on the production lines.
The standard cruising speed of 70 km/h for tourist flights can be attained using the rear propeller only.
The supercharger itself used up several hundred horsepower, so the rear propeller delivered considerably less power than the front one.
It was going down, the little rear propeller spinning uselessly.
Concerns were also raised about the pilot clearing the rear propeller if he had to bail out and an ejector seat was studied.
Voyager had front and rear propellers, powered by separate engines.
Shortly after entering service, the ballonet air-scoop was relocated from behind the front propeller to behind the rear propeller.
A rear propeller generates air pressure for lift and forward thrust.