Today's Message Index:
----------------------
1. 03:24 PM - Thanks to all for our new arrivals welcome. (flylightning)
2. 03:39 PM - Re: Congratulations to Nick and Dana (flylightning)
3. 03:45 PM - Re: Congratulations to Nick and Dana (Maxim Voronin)
4. 03:50 PM - Re: Matco Brakes and Wheels (flylightning)
Message 1
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| Subject: | Thanks to all for our new arrivals welcome. |
To group,
Thank you all for you warm welcomes for our new arrival. Cale is doing
fine and we are starting to get a little sleep.
nick
Message 2
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| Subject: | Congratulations to Nick and Dana |
Buz,
Thank you much sorry I didn't text ya from the hospital but was getting
busy, Little Cale will have to be content with the S1 cause papa wants
to be flying a Model 12 by than!
Nick
-----Original Message-----
From: owner-lightning-list-server@matronics.com
[mailto:owner-lightning-list-server@matronics.com] On Behalf Of
N1BZRich@AOL.COM
Sent: Monday, March 07, 2011 2:16 PM
Subject: Lightning-List: Congratulations to Nick and Dana
Hey everyone,
I just got a notification from Katie that Nick and Dana's baby has shown
up a week or so early. It's a BOY!!!! Cale James Otterback.
Obviously a future Lightning pilot and more than likely, a future IAC
aerobatic champion flying Nick's Pitts.
So congratulations to Dana and Nick, and welcome to our group, Cale.
Blue Skies,
Buz
Message 3
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| Subject: | Re: Congratulations to Nick and Dana |
Gimme a shout if you want a heads up on the useful and useless M14P mods ;)
Max
On Thu, Mar 10, 2011 at 6:37 PM, flylightning <info@flylightning.net> wrote
:
> Buz,
>
>
> Thank you much sorry I didn=92t text ya from the hospital but was getting
> busy, Little Cale will have to be content with the S1 cause papa wants to
> be flying a Model 12 by than!
>
>
> Nick
>
>
> -----Original Message-----
> *From:* owner-lightning-list-server@matronics.com [mailto:
> owner-lightning-list-server@matronics.com] *On Behalf Of *N1BZRich@AOL.CO
M
> *Sent:* Monday, March 07, 2011 2:16 PM
> *To:* lightning-list@matronics.com
> *Subject:* Lightning-List: Congratulations to Nick and Dana
>
>
> Hey everyone,
>
> I just got a notification from Katie that Nick and Dana's baby has shown
up
> a week or so early. It's a BOY!!!! *Cale James Otterback*.
>
>
> Obviously a future Lightning pilot and more than likely, a future IAC
> aerobatic champion flying Nick's Pitts.
>
>
> So congratulations to Dana and Nick, and welcome to our group, Cale.
>
>
> Blue Skies,
>
> Buz
>
>
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Message 4
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| Subject: | Matco Brakes and Wheels |
The problem with the thru bolt failure is from over torque of the bolt.
The bolts are only torqued to 8ft lbs I belive, most guys tighten them
up good and don't bother to check torque here. That is the explanation
from matco, since we have started paying attention to that we have not
seen anymore bolts break.
nick
-----Original Message-----
From: owner-lightning-list-server@matronics.com
[mailto:owner-lightning-list-server@matronics.com] On Behalf Of selwyn
Sent: Tuesday, March 08, 2011 5:27 AM
Subject: Lightning-List: Matco Brakes and Wheels
<selwyn@ellisworks.com.au>
Hi all,
I spent most of today changing the tyres on ELZ. "That's a bit slow" I
hear you say. Well yes, it is, but it turned out to be a much more
educational experience than bargained for.
First off, some time in the last one or two flights one of the through
bolts on the left hand wheel had broken and allowed the wheel to distort
somewhat so that it did not want to slide off the axle. Easily fixed,
let the pressure out of the tyre and all was well. The big question is
why did the bolt break?
The fault may not be as simple as an inadequate bolt. The tubes
supplied with the kit have a washer and nut on the base of the valve
stem. In my example, the washer was chewed about a bit and there was
some corresponding damage around the valve stem opening in the two
halves of the rim. I cannot tell if this damage occurred before or
after the bolt broke but it is possible that the washer became caught in
the opening when the wheel was assembled, wedging the halves apart, and
subsequently worked free and left he bolt loose to flex and fracture. I
would like to think that I would have picked this up during assembly but
the possibility exists.
I remember that others have had bolts break in these wheels so there is
obviously a design fault. I wonder why Matco has not fixed it and
issued some advice to operators, I also wonder why there has been no
remedial advice from Arion.
I removed the nuts and washers from the valve stem and replaced all the
cap screws with high tensile items which should fix the problem.
The next learning experience goes back to to a Matco service bulletin
issued last year, see Lightning newsletter of July 2010 for detail.
This deals with the screws which attach the brake disc to the rim and
identifies problems with a screw and washer combination different from
that supplied in my kit. There is also advice from Arion that the
problem identified by Matco does not apply to wheels with the Allen head
cap screws with lockwire safeties as in my Arion kit, and, as far as I
know, most others.
I'm here to tell you that it ain't necessarily so! When I removed the
cap screws securing the disc to the wheel there was evidence that the
disc had been working on the screws. There was no obvious free play but
the evidence of movement and fretting indicated that there was not
enough tension on the fastening because the screws were bottoming out in
the holes in the rim. Subsequent inspection confirmed this. The fault
was not obvious in a daily inspection, even without spats fitted and I
know of one other occurrence of this problem so I respectfully suggest
that a careful check of your disc attach cap screws may be in order.
I shortened my cap screws by a couple of millimetres and reinstalled and
I believe this will cure the problem.
--------
Cheers, Selwyn
Kit 66
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http://forums.matronics.com/viewtopic.php?p=333143#333143
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