Today's Message Index:
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1. 12:29 PM - CG on a MK II twinstar (Lee Morgan)
2. 01:02 PM - Friendly Airport People (Kirby, Dennis Civ USAF AFMC AFNWC/ENS)
3. 06:20 PM - Re: CG on a MK II twinstar (Eugene Zimmerman)
Message 1
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Subject: | CG on a MK II twinstar |
Hi all, I am looking for info on the CG for a MK II Twinstar.
My measurements were done with the bottom of the wing at 9%
I am using a weight and balance sheet from a Kolb Firestar but I think the
calculations are the same for a MK II Twinstar.
I am coming up with a CG of 37 % with me in it, I am 175 pounds, Has anyone
else had to add weight to the front to
get the CG within limits ?
thanks,
Lee..
Message 2
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Subject: | Friendly Airport People |
(Since the List has been somewhat slow lately ... )
Kolb Friends -
Here's a story (Kolb-related) that restores my faith in the notion that
airport folks are good people who are willing to go out of their way to
help a fellow aviator.
Recall the recent posts from John Gilpin ("JG") from Australia, who came
to the USA a few months ago with the plan to fly a Kolb all around the
country, to see the sights and visit friends for a year. Turns out, he
had to go Part-103, as he could not qualify for our Sport Pilot license
because he is not a US citizen. So he bought a used Firefly from a
fellow in Mississippi (a very nice one, by the way), loaded it into his
enclosed trailer, and began driving west from there. His plan was
simply to stop at airports along the way and do local flying.
JG arrived in New Mexico a couple of weeks ago, and let me know he was
in town. He was camping out in his trailer, and was only gonna stay a
day or two before moving on, but he wanted to know if we could go flying
together - me in my Mark-3, and JG in his shiny new 447-Firefly. Sadly,
the morning I met him at Sandia airfield (my home airport), he had an
unloading accident. As he was pulling his folded Firefly out of the
trailer, one of the ramps came off the trailer and his Kolb fell over on
its side, damaging the nosecone and wing fabric, bent one gear leg, and
bent the vertical tailpost. Repairs would require removing the
tailring/tailpost structure, tearing off the fabric, metal repair,
recover the fin, replace it all, etc. A sad situation for someone on
the road and with no shop and only limited tools.
As we were contemplating the extent of damage, several other pilots from
the airport began gathering around the broken Firefly to help assess the
situation. Long story short: within a few days, all the repairs were
made, and JG was on his way again! Various airport folks had
volunteered to help this total stranger with repairing his Firefly, and
one guy even let John stay in his home (vice camping out in the trailer)
until he was ready to hit the road again. Last I heard from him, JG was
in eastern Arizona, flying around the red rock country up there (Window
Rock, to be exact), and was then headed north toward Las Vegas. Sounds
like his repairs worked out!
Am happy to be associated with all you guys, and our crowd of good
people!
Dennis Kirby
Mark-3, 912ul, N93DK
Sandia Park, NM
do not archive
Message 3
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Subject: | Re: CG on a MK II twinstar |
Lee,
I don't have the specific info you ask for but if you are intending to fly the
Mark II two up, I can tell you you do not want any extra weight up front as the
elevator on the Mark II is rather underpowered for keeping the nose up at slower
flight speeds with two up. If it was up to me I'd fly it as is. I can assure
you it will fly just fine with your weight. If you have any doubts just make
the first flight with half a tank of fuel, and you will be more than pleased
with how she flies.
If it flies like the nose is light and must be held down, adjust the ailerons down
a tad.
Gene
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=373193#373193
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