Mailing List lml@lancaironline.net Message #17089
From: <Sky2high@aol.com>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Re: [LML] What Wing Loading Means to Me
Date: Fri, 10 Jan 2003 10:28:20 -0500
To: <lml>
Well, for what it's worth,

I built and flew a Challenger II (tube and fabric) that had a wing loading of about 4.5 pounds per square foot.  The merest light turbulence would upset the flight requiring re-leveling the wings with the rudder, it was like flying a leaf.  Top speed was about 90 Kts.

I flew a Skymaster for many years with a wing loading of 22 ppsf and it took at least moderate turbulence to upset the flight.  Of course, I heard "wing moan" many times in the rotten weather I would sometimes push through. Top speed was about 170 Kts

My Lancair 320  has a loading of about 25 ppsf and rides thru moderate turbulence no worse than a Corvette on a rough road.  It doesn't get upset, but it is harsh sitting on the main spar.  Top speed is about 200 Kts.

Small thin wings = low drag = high performance = high wing loading = more resistance to micro-shears (turbulence).  Just ask any Mig 19 pilot.

Scott Krueger
N92EX

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