rotating noise

Aircraft equipped with contra-rotating propellers (CRP), coaxial contra-rotating propellers, or high-speed propellers, apply the maximum power of usually a single engine piston powered or turboprop engine to drive a pair of coaxial propellers in contra-rotation. Two propellers are arranged one behind the other, and power is transferred from the engine via a planetary gear or spur gear transmission. Although contra-rotating propellers are also known as counter-rotating propellers, the term is much more widely used when referring to airscrews on separate non-coaxial shafts turning in opposite directions.

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    MG5 increased road noise

    I'mi have a 74 plate MG5 Trophy LR, have had it for a year and a half, now on almost 26,000 miles. Over the last week it seems to have developed a bit of a noise at motorway speeds. Can only describe it as a dull roar, almost like an increase in road noise. It definitely sounds like a...
    • tonymc
    • Thread
    • mg5 mg5 trophy long range motorway speed road noise rotating noise tyre wear wheel bearing
    • Replies: 2
    • Forum: MG5 EV Forum
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