In article <3975ED06.6AFABF1C@cisco.com>,
terrys@cisco.com (Terry Seaver) wrote:
> >The early reports from the factory say that the
> difference in glide ratio between feathered to
> non-feathered is estimated to be 27:1 vs 25:1.
> If true, I don't consider the lack of feathering
a
> show stopper.
> There is no doubt that the prop will stop at some
> low speed, the important question is; at what
speed
> does it begin windmilling again ? 80 kts would be
> great, that would allow you to slow down to
optimum
> gliding speed to stop the prop, and allow air
restarts
> by diving to 80+ kts. 45 kts on the other hand
would
> be a real problem, with the engine turning over
most
> of the time.
Terry
If I remember right; having a feathering prop not only
saves you a bit of drag, but the engine will not start
rotating again until you unfeather it, which helps when
you want to do some high speed gliding.
Paul
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