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Model Aircraft Glossary


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Earhart, Amelia

17 to 18 June 1928, Amelia Earhart is the first woman to cross the Atlantic by air, from Newfoundland to Wales, as a passenger in the Wilmer Stultz-Louis Gordon Fokker C-2 Friendship.

22 April 1931, Amelia sets the Autogyro altitude record at 18,400 feet.

See also: Chronology of Flight.


Electric Flight

The use of an electric motor and energy source (normally a battery) to power a model aircraft. The main advantages are clean, quiet and very controllable on power.

Electric Motor


Electric Motor Controllers


Elevator

The elevator is used on an aeroplane to control the pitch. Applying up-elevator will generate lift on the underside of the tailplane surface causing the tailplane to move downwards. The effect will be for the angle of attack of the will to be increased and hence generate more lift. The overall effect causing the aeroplane to climb. At low speeds the elevator will not work. During ground taxiing manoeuvres the elevator may be used to stop the nose of the aircraft pitching into the ground, this will rely on the thrust from the aircraft being directed by the tailplane.

See also: Servo.


Elevons

An elevator split into 2 halves which can be operated independently so that the same control surfaces can be used to control the roll of an aircraft as well as the pitch. Often seen on Flying Wings and Delta planform models.

See also: Servo.


Engines

A few hints and tips for buying and running aero engines is given here. more......

See also: Jet Engines.

Engine Brake

A timer-operated device to stop the propeller of a free-flight duration aircraft at the end of the permitted engine run.


Engine Cowling

A covering placed around an engine. Often manufactured from glass fibre for model aircraft applications.

more...


Engine Mounting

Isolating the engine mount using rubber can reduce the vibration levels on the airframe and so reduce noise levels. Also, if your radio gear is suffering from vibration rubber isolation can help. When mounting engines be it IC or electric always try and incorporate some down and right thrust. This will vary with prop size, power and model type. If using a commercial type of mount eg plastic type you can use self tapping type screws but really only up to .40 cu size engines with 10 x 6 props. I still like to use nuts and bolts though.


Engine Power to Weight Ratio

The power to weight ratio for a given engine size is a useful parameter to use when comparing aero engines. more......


Exhaust

The exhaust system on an internal combustion engine may be used to reduce noise and/or increase power. more......

Reference: Acoustic Filter Elements - diracdelta.co.uk.


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z