Flutter (Aircraft Flutter)

Flutter: A phenomenon whereby the elevator or aileron control surface begins to oscillate violently in flight. This can sometimes cause the surface to break away from the aircraft and cause a crash. There are many reasons for this, but the most common are excessive hinge gap or excessive "slop" in the pushrod connections and control horns. If you ever hear a low-pitched buzzing sound, reduce throttle and land immediately.

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Flight Pack - Airborne Pack

Flight Pack or Airborne Pack : All of the radio equipment installed in the airplane, i.e., Receiver, Servos, Battery, Switch Harness.

This is not a similar thing to the flight box, rather it refers to all the radio equipment that is used in an RC aircraft during flight. This includes most importantly the receiver, but also the servos/ESC, flight pack battery/BEC and the harness. The transmitter is outwith the craft and so not considered part of the flight pack, despite its involvement.

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Flight Box

Flight Box: A special box used to hold and transport all equipment used at the flying field.

Flight Box

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Dead Stick

A term used to describe unpowered flight (glide) when the engine quits running.

With the engine quiet and the plane ready for takeoff, Steve coaxes the Highlander into flight. The plane gains speed as it coasts down a steep hill and before long it is airborne. Now gliding through the air, the engine remains off; Steve brings the plane in, landing it just as he took off: completely deadstick. The shear excitement and joy from this maneuver is contagious. Not only do you easily feel Steve’s enthusiasm for the feat he is performing,
but you also feel his love for the air and for his plane. Without the Highlander this would be nearly impossible.  However, due to the unique qualities of the plane, Steve was able to master this act and share his joy with the world.

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Boring Holes in the Sky

Boring Holes in the Sky : Having fun flying an RC airplane, without any predetermined flight pattern.

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