Mailing List lml@lancaironline.net Message #24878
From: Rob Logan <Rob.Logan@Philips.com>
Subject: glide
Date: Wed, 18 Aug 2004 14:41:15 -0400
To: <lml@lancair.net>
> The CAFE report on the Legacy got the best result at 135 KIAS (145 KTAS),
> steep pitch, 1100 fpm descent, 13.3:1. Maybe your engine is still giving a

hmm, at 135kias my legacy does -1500fpm with the prop
pulled (coarse) or -1800fpm fine, no oil pitch.  what's
amazing is delta in angle of decent.

http://rob.com/lancair/flights/2004/glide2.gif

its the difference between making the airport @ 7,000 agl
from 10 miles and not..

note to self: while the CFS doesn't have an AOA for finding
dynamic L/D (it has a pitch limiter/alerter for impending stall)
if the velocity vector is falling short of the X runway marker,
you won't make it, regardless of what fixed "glide range box"
claims..

hmm, wonder if the velocity vector can be used for L/D by
pushing it out as far as it can go... hmm..

Rob
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