That run did not see you! Screw up in the situation when the cylinder (which is served zzhaty air to the scroll), both valves were opened. Look what happened! He shot himself at the airport of the city of Nizhny Novgorod region Bogorodsk. Aeroclub "Falcon." FAC on this board, the master of sports of aerobatics - Alexei Bolshakov. Pay attention to his hands at a time when the screw is suitable airfield technician.