All the rear drive accomplishes is to dampen the engine pulses to the prop so
that other than wood props can be used, and the theory is that that end of the
engine is designed for the rotational stress. No added torque or Hp is
achieved with the direct drive model. Use of a PSRU on the rear
>All the rear drive accomplishes is to dampen the engine pulses to the prop
>so that other than wood props can be used, and the theory is that that end
>of the engine is designed for the rotational stress. No added torque or
>Hp is achieved with the direct drive model.
But it does weigh a
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