Hey! Keep the noise down

Article Abstract:

Several important parameters must be considered when evaluating the noise performance of model airplanes for possible noise reduction. These include the use of the proper noise measurement technique and the selection of the appropriate mufflers and propellers.

Equipment and supplies, Noise control

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Voodoo mechanics

Article Abstract:

The concept that bench-testing model airplanes is not useful since the engine does not do any work is false. Bench-testing helps determine the efficiency and performance of model engines.

Column

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Setting the idle: a sound idle means safer landings

Article Abstract:

Proper engine idling increases the safety of model airplanes during landing approaches. Several tips on how to properly adjust engine idling are discussed.

Maintenance and repair

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