The deafening roar of jet engines revving at the start of the runway is not a sign of struggle, but a crucial safety procedure.
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What does a 4 rotor RX-7 sound like?
Hear the pure engine sound of a Mazda RX-7 FD3S powered by a 4 rotor 26B engine revving up to 11,000 RPM. This video captures ...
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