Today's Message Index:
----------------------
1. 02:39 AM - Re: MK3x wings leading edge (Jimmy Young)
2. 05:12 AM - Re: Re: MK3x wings leading edge (Dana Hague)
3. 07:21 AM - Kolb address (Jmmy Hankinson)
4. 07:31 AM - Re: Kolb address (John Hauck)
5. 08:06 AM - Re: Rotax 447 fan holding tool (gliderx5@comcast.net)
6. 09:57 AM - Re: Rotax 447 fan holding tool (David Kulp)
7. 10:12 AM - Re: Rotax 447 fan holding tool (David Kulp)
Message 1
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| Subject: | Re: MK3x wings leading edge |
Would an alum. sheet leading edge offer much in the way of leading edge protection,
say in the event of a bird strike? It seems to me it may.
I recall reading a post about John H. having a leading edge failure years back.
Jimmy Young
Kolb FS II, HKS propelled
Houston, TX
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361523#361523
Message 2
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| Subject: | Re: MK3x wings leading edge |
Leading edge sheeting is generally used in aircraft with a full depth flat
spar, not a tube spar like our Kolbs. When you sheet the leading edge and
attach it top and bottom to a flat spar, it forms a "D-tube" and provides a
great deal of torsional rigidity (which is provided on Kolbs by the large
tube spar).
I suspect a sheeted leading edge would be damaged more by a bird strike
than fabric... and harder to repair, too.
John H's leading edge failure was, I believe, caused by failure of the
internal diagonal bracing inside the wing.
As soon as you add rigid structure to an aircraft you essentially have a
new design, and need to have the ability to do a full structural analysis
of the new structure. Adding structure to make one area stronger can move
the load paths and actually make the total structure weaker.
-Dana
At 05:37 AM 12/23/2011, Jimmy Young wrote:
>
>Would an alum. sheet leading edge offer much in the way of leading edge
>protection, say in the event of a bird strike? It seems to me it may.
>
>I recall reading a post about John H. having a leading edge failure years
>back.
--
Why are hemorrhoids called "hemorrhoids" instead of "assteroids"?
Message 3
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Would someone post or e-mail me the New Kolb web address.
Thanks.
Jimmy Hankinson
Rocky Ford, Ga.
912 863 7384
N6007L, Firefly
Oge9 rocky ford
jhankin@planters.net
Message 4
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Would someone post or e-mail me the New Kolb web address.
Thanks.
Jimmy Hankinson
Jimmy H/Kolbers:
Here ya go: http://www.kolbaircraft.com/index.html
Merry Christmas to every Kolber and their families. May we all have a
wonderful, safe New Year.
john h
mkIII
Titus, Alabama
Message 5
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| Subject: | Re: Rotax 447 fan holding tool |
Dave
I made my own from 1/16 steel, with an arm to engage the housing and 3 tabs to
hold the fan. Also made a tool to hold the flywheel from 1/4 aluminum. I am trying
to attach a photo, but it may not work (never been successful in the past.
Malcolm Morrison
Port Matilda, PA
http://home.comcast.net/~mmorrison123/
----- Original Message -----
From: "David Kulp" <undoctor@ptd.net>
Sent: Thursday, December 22, 2011 5:23:20 PM
Subject: Kolb-List: Rotax 447 fan holding tool
I need to adjust the fan belt on my 447 and need a $20 plus S&H fan
holding tool to loosen the bolt. I also must wait for delivery and may
miss the few remaining flying days before the deep freeze and snow
drifts bring it to an end. Has anyone devised a homemade tool to hold
the fan? If so I'd sure appreciate knowing how you did it.
Thanks,
Dave Kulp
Bethlehem, PA
FireFly 11DMK
Message 6
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| Subject: | Re: Rotax 447 fan holding tool |
Message 7
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| Subject: | Re: Rotax 447 fan holding tool |
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