Today's Message Index:
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1. 07:39 PM - Weak gear leg fitting? (Richard Pike)
2. 09:51 PM - Re: Weak gear leg fitting? (Larry Cottrell)
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| Subject: | Weak gear leg fitting? |
More FSII gear leg problems today. Several years ago we virtually totaled N582EF
for a really bad landing where the welded fitting that joins the landing gear
leg to the axle failed. Had the fitting not failed, it would have been bad,
but not a virtual total. So we rebuilt it.
Today Ed landed the FSII in a friends hay field due to a fuel problem. It was a
hard landing, but nothing remarkable. It should have been maybe a slightly bent
gear at worst, pull the gear leg out and straighten it. Yet the fitting failed
in exactly the same fashion as happened several years ago. Once we get the
airplane home - hopefully tomorrow - I plan to take the factory fittings and
beef them up as much as I can. I no longer trust them, and will be welding some
straps or saddles over and around them.
Just something for the rest of you guys to think about.
PS: Note that the file has been resized to 64 kb, and fits very nicely onto the
page. No resizing of the page or scrolling back and forth is necessary. [Wink]
--------
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
My soul shall be joyful in the LORD; It shall rejoice in His salvation. Psalm 35:9
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=428472#428472
Attachments:
http://forums.matronics.com//files/p1030786_medium_507.jpg
Message 2
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| Subject: | Re: Weak gear leg fitting? |
I may be wrong,( the photo was so small :-) ) but the fitting appeared to
be one of the early axles. Those were 60 thousands in thickness. The
current models are the 120 thousand thickness.
I had the thin ones on my plane and they too caused me a lot of problems. I
have since gone to heat treated 4130 because of the problems with the axles
and gear legs. I wouldn't go back.
I realize that Homer felt that it would prevent damage to the cage to have
the gear legs fail first, as a limit to the damage. That has not been
reflective of my experience. Failing gear legs and sockets have caused
heavy damage to the cage due to the legs failing for what would have been
no more than a rough landing with the proper gear legs.
for what its worth,
Larry
On Thu, Aug 14, 2014 at 8:38 PM, Richard Pike <richard@bcchapel.org> wrote:
>
> More FSII gear leg problems today. Several years ago we virtually totaled
> N582EF for a really bad landing where the welded fitting that joins the
> landing gear leg to the axle failed. Had the fitting not failed, it would
> have been bad, but not a virtual total. So we rebuilt it.
>
> Today Ed landed the FSII in a friends hay field due to a fuel problem. It
> was a hard landing, but nothing remarkable. It should have been maybe a
> slightly bent gear at worst, pull the gear leg out and straighten it. Yet
> the fitting failed in exactly the same fashion as happened several years
> ago. Once we get the airplane home - hopefully tomorrow - I plan to take
> the factory fittings and beef them up as much as I can. I no longer trust
> them, and will be welding some straps or saddles over and around them.
>
> Just something for the rest of you guys to think about.
>
> PS: Note that the file has been resized to 64 kb, and fits very nicely
> onto the page. No resizing of the page or scrolling back and forth is
> necessary. [Wink]
>
> --------
> Richard Pike
> Kolb MKIII N420P (420ldPoops)
> Kingsport, TN 3TN0
> My soul shall be joyful in the LORD; It shall rejoice in His salvation.
> Psalm 35:9
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=428472#428472
>
>
> Attachments:
>
> http://forums.matronics.com//files/p1030786_medium_507.jpg
>
>
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