Aerobatics or Acrobatics????
11-28-2002, 06:52 AM
#26
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Aerobatics or Acrobatics????
Found this:-
In the mid-1950s, the pilots of what was then Czechoslovakia introduced a maneuver during the Lockheed Trophy that they called a "Lomcevak." The name is variously translated as "log in the head," "headache," or "look at that drunk trying to walk," depending on which Czech you talk to.
Regardless of the exact translation, the new maneuver blew the assembled aerobatic community away. It was the first gyroscopic maneuver to be done, and arguably, it remains the most spectacular.
Gyroscopic maneuvers are maneuvers that take full or partial advantage of the gyroscopic precession generated by the spinning propeller. The pilot usually applies the controls in such a fashion as to maximize this force, and then basically becomes a spectator until the energy of the tumble dissipates and it is time to recover the aircraft.
The classic Lomcevak is entered from a 45° up line, at cruise speed or below, with full throttle applied. To begin the maneuver, full right rudder is applied and held simultaneously with full left aileron and full down elevator. The response varies considerably from aircraft to aircraft, but the usual result is a graceful end-for-end tumble on all three control axes, finishing with the aircraft in an inverted spin
At this site
http://jmrc.tripod.com/fa/aero/aero4.htm
Hope it is of interest
In the mid-1950s, the pilots of what was then Czechoslovakia introduced a maneuver during the Lockheed Trophy that they called a "Lomcevak." The name is variously translated as "log in the head," "headache," or "look at that drunk trying to walk," depending on which Czech you talk to.
Regardless of the exact translation, the new maneuver blew the assembled aerobatic community away. It was the first gyroscopic maneuver to be done, and arguably, it remains the most spectacular.
Gyroscopic maneuvers are maneuvers that take full or partial advantage of the gyroscopic precession generated by the spinning propeller. The pilot usually applies the controls in such a fashion as to maximize this force, and then basically becomes a spectator until the energy of the tumble dissipates and it is time to recover the aircraft.
The classic Lomcevak is entered from a 45° up line, at cruise speed or below, with full throttle applied. To begin the maneuver, full right rudder is applied and held simultaneously with full left aileron and full down elevator. The response varies considerably from aircraft to aircraft, but the usual result is a graceful end-for-end tumble on all three control axes, finishing with the aircraft in an inverted spin
At this site
http://jmrc.tripod.com/fa/aero/aero4.htm
Hope it is of interest
11-28-2002, 07:23 AM
#28
Aerobatics or Acrobatics????
Originally posted by Rossan
Found this:-
In the mid-1950s, the pilots of what was then Czechoslovakia introduced a maneuver during the Lockheed Trophy that they called a "Lomcevak." The name is variously translated as "log in the head," "headache," or "look at that drunk trying to walk," depending on which Czech you talk to.
Gyroscopic maneuvers are maneuvers that take full or partial advantage of the gyroscopic precession generated by the spinning propeller. The pilot usually applies the controls in such a fashion as to maximize this force, and then basically becomes a spectator until the energy of the tumble dissipates and it is time to recover the aircraft.
Found this:-
In the mid-1950s, the pilots of what was then Czechoslovakia introduced a maneuver during the Lockheed Trophy that they called a "Lomcevak." The name is variously translated as "log in the head," "headache," or "look at that drunk trying to walk," depending on which Czech you talk to.
Gyroscopic maneuvers are maneuvers that take full or partial advantage of the gyroscopic precession generated by the spinning propeller. The pilot usually applies the controls in such a fashion as to maximize this force, and then basically becomes a spectator until the energy of the tumble dissipates and it is time to recover the aircraft.
Kevin
