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- The Pacific: General Aviation & Questions (https://www.pprune.org/pacific-general-aviation-questions-91/)

- - F-50 (https://www.pprune.org/pacific-general-aviation-questions/591224-f-50-a.html)

Flightlover

20th Feb 2017 18:00

F-50

What causes engine power fluctuation after feathering opposite engine of a Fokker 50?

Back Seat Driver

21st Feb 2017 02:36

Automatic Power Reserve (APR)
APR is equal to max take-off power and will be selected automatically by the ENG EC in case of engine failure but only when the autofeather system is armed.

Duck Pilot

21st Feb 2017 08:17

Dash 8 has a similar system that they call uptrim. The live engine will automatically power up to 110% regardless of the power level angle/setting. The exception is that the DHC8-200 has an option to disable the uptrim which allows 110% torque to be manually set for a maximum of 5 minutes, great for hot and high environments. They also have torque bugs which helps prevent over torquing.

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