Fox .50 BB

Article Abstract:

The Fox .50 BB is a well-constructed, reasonably priced, American-made model plane engine, if a bit noisy. Adding a better muffler than the one supplied makes the unit fairly heavy. The sound-level test performed is detailed.

Games, toys, and children's vehicles, Product information, Column, Fox Manufacturing Company Inc.

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Irvine Q40 - the silent treatment

Article Abstract:

Test results for the Q40 ABC model airplane engine are reported. The Q40 is a muffled engine designed to turn large propellers at relatively low rpm levels. The engine is reasonably quiet and extremely smooth running.

Irvine Q40 ABC (Model engine and motor)

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O.S. Max FP 40

Article Abstract:

FP 40 is powerful and performs well. It is easy to handle and is a good choice for a beginning model airplane enthusiast. Included are tips for selecting the correct propeller.

O.S. Max FP 40 (Model airplane accessory)

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