PPRuNe Forums - View Single Post - Bell 206: JetRanger and LongRanger

9th Jan 2015, 21:51

#1246 (permalink)

RVDT

Join Date: Nov 2006

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DC valve is only fitted/required on the 206 Series from memory (fading a bit as haven't worked on one for about 20 years - FADEC these days!)
and it is there to stop the PTG reacting to the torque fluctuation inherent in the 2 blade rotor.

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