This has been bugging me.
Flying the Dash 8 with PW120A's, PW123's, and PW123C's. On the 123's we have the Nh and Nl gauges. It usually seems like the Nh is always higher than the Nl.
Every now and then I see one that has a Nl higher than the Nh by a few percent.
How come? Is this normal/harmful?
Flying the Dash 8 with PW120A's, PW123's, and PW123C's. On the 123's we have the Nh and Nl gauges. It usually seems like the Nh is always higher than the Nl.
Every now and then I see one that has a Nl higher than the Nh by a few percent.
How come? Is this normal/harmful?