Mailing List lml@lancaironline.net Message #52939
From: Jeffrey Liegner, MD <liegner@embarqmail.com>
Sender: <marv@lancaironline.net>
Subject: Re: Glide Ratio for the Lancair IVP (Full Feathering Prop)
Date: Sun, 13 Sep 2009 19:44:27 -0400
To: <lml@lancaironline.net>
I have a full feather Hartzel scimatar prop on my LIVP.  Engine shut off, prop feathered and stopped, glide is ~500fpm at 120KIAS.  This translates into a 24:1 glide ratio, which seems ridiculous, but has been demonstrated several times.  I have programmed my Chelton for 18:1 glide ratio.

Of course, a coarse pitch prop without feather feature would be different.

Jeff L
230 hrs


Gents:

Iım re-looking at the parameters in my Cheltons.

What do you recommend as the ³Glide Ratio² in the Chelton System User Programmed Settings?

Thanks and Regards

John Hafen
IVP 413AJ
175 hours and I think most things are finally working.  Iıll let you know about 200 hours from now!

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