brubakermal(at)yahoo.com
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 Posted: Thu Feb 02, 2012 9:05 am Post subject: no liabilety sale |
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I have a person in the country if chilly thats wants me to fill a contaner with a firefly and kitfox lite this a perfict chance to sell a firefly with no liabilety.I will pay cash for your plane up frunt no N# required
please contact me off list mal
Malcolm & Jeanne Brubaker Michigan Sport Pilot Repair LSRM-A, PPC, WS Great Sails - Sailmaker for Ultralight & Light Sport (989)513-3022
From: Richard Girard <aslsa.rng(at)gmail.com>
To: kolb-list(at)matronics.com
Sent: Thursday, February 2, 2012 11:04 AM
Subject: Re: Kolb quit revealed
I'm sure John would agree with me on this one.The supposed "Kolb Quit" is an approach stall (power off) while in ground effect. The power off stalling characteristic of a Kolb Mk III, properly built, i.e. with a center section and either good coverings on the upper rear pod or the engine bay frame covered, is for some buffeting and a gentle break. It is the ground effect part of the equation that makes the Quit so damaging to landing gear. I would be willing to bet a quarter that stalls in ground effect occur at 3 to 5 mph lower airspeed than they do out of ground effect. Since lift is calculated from the dynamic pressure equation (1/2 rho * Vsquared, where rho is the mass density of air and V is speed) That small reduction in air speed has a dramatic effect on the amount of lift the wing is producing and when it goes away, whammo ( I have the limp noodle aluminum landing gear legs to prove the whammo part :-} ). End of where John and I agree, I think.
Dennis, one more thing you might consider doing to further improve the slow flight characteristics of your Mk III is to seal the gap between the horizontal stabilizers and the boom tube. You will find two improvements if you do. 1) Rudder effectiveness is improved to the point that you can pick up a falling wing while near stall speed and 2) Because of 1) it is possible to hold the airplane in a wings level stall as long as you want while descending in a flat attitude at a vertical speed of 1200 to 1500 fpm down.
Rick Girard
On Thu, Feb 2, 2012 at 8:55 AM, vic <vicsv(at)myfairpoint.net (vicsv(at)myfairpoint.net)> wrote:
| Quote: | | Quote: | Your right JohnStalls the same speed at a given attitude and a different at another. "With the same load and weather conditions and attitude," john hmkIIITitus, Alabama
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Zulu Delta
Mk IIIC
Thanks, Homer GBYM
It isn't necessary to have relatives in Kansas City in order to be unhappy.
- Groucho Marx
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