Originally Posted by Captain Stable Eddie
, could you please explain to me how you consider that low MP can cause an uncontrollable prop overspeed?
Originally Posted by
ManxLadybird
...[right engine] overspeeding in excess of 2800 rpm and I could not stabilise it. The MP was low as well so I did not have much to play with.
... my left engine lost power. My MP was down to 17 inches.
would sort of suggest a low MP problem developed on both engines and an overspeed on one.
It would seem to suggest a general induction problem (snow packing, induction ice???) as both engines appear to have been affected. Is there a reasonable CSU failure mode that could have the same root cause?
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I am not aware of an engine failure mode that results in less than atmospheric MP other than 'induction blockage' or a 'stuck' throttle cable (indirectly causing an induction blockage)