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List:       flightgear-flightmodel
Subject:    Re: [Flightgear-flightmodel] RE:Windmilling propellers
From:       Arnt Karlsen <arnt () c2i ! net>
Date:       2003-05-23 11:24:15
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On Thu, 22 May 2003 20:32:12 -0500, 
"Ryan Larson" <rlarson@speakeasy.net> wrote in message 
<JIEDILKGOPCKEIJCMIEBAEDJDCAA.rlarson@speakeasy.net>:

> 
> > Exactly.  The main advantage of feathering is not that it cuts down
> > on wind resistence, but that it stops the propeller from rotating.
> > Anecdotal evidence suggests that with a failed engine, the prop on a
> > Cherokee or Skyhawk will stop spinning as the plane gets close to
> > stall speed, and then will stay stopped until the speed gets fairly
> > high.
> 
> Yep, it is possible, I had an instructor (to my suprise) turn the mags
> off, slow the cessna 172 to about 60kts and the prop stopped.  He then
> said land the plane (we were in the pattern for a small grass field). 
> It was really weird to be up in the air with no noise (even with the
> windows open).  I landed the aircraft safely, and it was probably my
> best soft field landing I have ever done.  Looking back at it.. I
> think I just reacted to the situation and really didn't think about
> the possible problems we may have had if someone would have taxied out
> on to the runway while we were landing. We had about a 750ft/min
> decent rate all the way in with the aircraft at best glide (75kts?)
> and no flaps.  When I knew we had the field, I put in a notch or two
> of flaps and put it down really softly.  It was kind of fun, but I
> don't think I will do it again, unless I have to.
> 
> Ryan

..excellent instructorship, I would have made you do the 
stop-the-prop bit the 3 time onwards.  ;-)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;-)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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