- Original Message -
From: Don Chisholm<mailto:chizmsupholst...@rogers.com>
To: kr...@mylist.net<mailto:kr...@mylist.net>
Sent: Sunday, August 21, 2005 9:36 PM
Subject: KR> kr wings
having the
outer panels out of the way now then fabricating the rest
Mike;
I put my wings in another room when I finished them
their not in my way
Steve; seeing as how you haven't installed your center spars
yet may I make a suggestion, food for thought.
I built my outer wing panels with my center spars mounted
in a rollover jig made from angle iron. It allowed me to turn
my assembly over so I could glass my foam cores top
side up, bottom si
uot;
Sent: Monday, December 13, 2004 5:49 PM
Subject: Re: KR> kr wings
> Yes you have read properly, and no I haven't added the foam and glass to
the
> so called butt end of the centre section as yet. maybe I should do that
and
> that will fix my problem.
> It's just tha
No big deal, but a thought that may be maybe worth expressing.
My concern with pre-fab wing skins (any wing skins) is the quality of
bond with the spars.
We need to remember that the airplane is literally being picked up by
the skin of its wings (well 2/3 of it is). That may not translate to a
g
"Consider the KR wing structure (below the skin) and imagine dividing the
top surface of the wing into 1' x 1' squares and screwing a cup hook into
each square. Turn it over and hang 38 lbs on each of the 80 or so
cup hooks."
Hello Net This is long, if you have a KR to work on, repair , or
> It's 29 and snowing here in SE Michigan. For me it's a good day to
> learn
> something new. About this G loading of a KR wing, I guess I really
> would
> like to learn more, especially since my KR is over 20 years old. It
> doesn't
> have wing skins, just the one's I made. I thought th
> I thought that in flight the air
>traveling over the curved upper surface caused low pressure on the bottom
>surface and that's what caused lift.
I think that you were tired when you posted. The low pressure is on the top
surface.
Larry Severson
Fountain Valley, CA 92708
(714) 968-9852
lar..
"The low pressure is on the top"
Thanks Larry, you and Virg are correct, that was a typo of the mind.
Orma
I tried a different approach to building wing sets that makes
doing outer wing panels fast and almost painless.
my idea was to get them out of the way early in the project.
I found when I built my KR1 that building the outer wing panels
on the aircraft was awkward and the space needed to build
full
Don doing the same here but using 5/8 inch (sold as R12) 24 by 96 inch
sheets at Home Depot. Extruded Polyurethane Foam insulation. Added 5 ribs to
outer panel to facilitate easier installation of panels. Glassed both sides
and hard as a rock. As soon as the fuel assembly arrives and gets installed
seems to me if you followed the plans you would have
foamed and glassed your center section first to the
division line between the center section and the outer
wing panel line on a plane that corresponds to the
wing attach bolts you could have used the butt end of
the foamed and glassed center
Yes you have read properly, and no I haven't added the foam and glass to the
so called butt end of the centre section as yet. maybe I should do that and
that will fix my problem.
It's just that the plans call for the ply rib to be used as the guide and it
also says that the rib should be a little w
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