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pascal(at)rv10builder.net
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 Posted: Tue Feb 10, 2009 9:39 am Post subject: Matco RV-10 Nosewheel Axle replacement write-up |
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This may be obvious to some but I'll mention this anyway. I received my rim
before I knew of the issue of the stem hitting. Upon hearing about it I
setup the rim to "test" with the inner tube and tire and inflated to see if
I had an issue, I did, so I removed everything and, got an RMA and sent to
Matco. I just discovered that unless the rim is brand new and never touched,
as George at Matco put it, "like new to put back on shelf" one will be
billed $60. so when the shipping is added one is in for about $80 to get the
"right" piece.
So the lesson learned for me is and Tim nailed it with:
| Quote: | So if you are not to the front wheel install portion yet, it is probably
worth looking into either NOT buying the wheel from Van's, but buying the
proper one direct....or, as soon as you get your brand new nosewheel, call
Matco and get them to swap the half out.
The option I would have chosen is to have returned the rim and bought a
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Grove personally it would have been much less expensive then this experience
turned out to be.
you'll need to make the decision before hand because once you "test" it
you're buying half of a new rim and that simply is not worth it.
To be clear Matco is honoring doing the right thing by fixing a complete
shortfall on Van's part and I commend them for doing so. I simply would not
return a part without knowing it was an issue first. Assume it's an issue
and let that decision be your final decision on what you determine is the
right course, the valve will work it just needs to have the cap removed to
do so.
Let my pain be your gain!
Pascal
--------------------------------------------------
From: "Tim Olson" <Tim(at)MyRV10.com>
Sent: Thursday, January 22, 2009 7:30 AM
To: <rv10-list(at)matronics.com>
Subject: Re: Matco RV-10 Nosewheel Axle replacement write-up
| Quote: |
For the new builders....
It's an old topic that used to get some attention. I don't think
it affects MOST people too bad, but, here's the story to the best
that I know it....
Van's buys a certain wheel that WE use as our front wheel, but other
RV's use as one of their mains. That wheel works fine for them, and
Van's only wants to stock one model of 5" wheel. So, we get what
they use. The problem is, there have been some people who have
had the valve stem actually TOUCH the fork, because the way the wheel
is made, the valve stem sticks out too far with Van's standard
wheel. Some people just leave the valve cap off. Some people
(like me) leave the cap on and it wasn't a big problem...it was real
close, but never hit the fork. Simply judging by how few times it
comes up on the forum, and assuming that 90% of the builders are
not swapping wheels (because like you, they probably didn't even
know about it, and just built the plane), my guess is that the
problem is not overwhelmingly common. There may be lots of people
it affects, but probably not a majority, or we'd hear more.
But, it is indeed something that if you just build it, and don't
question it, you aren't doing "the best you can" to get things
perfect. To do that, you would want to use the proper wheel.
And, after hearing of some complaints early on, Matco decided to
offer these wheel exchanges inexpensively, so that builders could
use the proper wheel. I don't quite understand why the wheel
has to go back to them once it's been mounted, but you only
would need to replace 1/2 of the wheel because only 1/2 has
the valve stem hole.
So if you are not to the front wheel install portion yet,
it is probably worth looking into either NOT buying the wheel
from Van's, but buying the proper one direct....or, as soon
as you get your brand new nosewheel, call Matco and get them to
swap the half out.
Luckily for me, I was in the group of earlier builders that
really had no issue other than the clearance was minimal.
The fork builds up a lot of dirt and grime, and you'd easily
be able to see marks if the valve cap/stem were rubbing the
fork in use. I've never seen any of that on mine.
So, it may not be a major worry, and if you already built it
and it doesn't hit, you have nothing to fear. (Besides that,
when/if you use Matco's new Axle, you'll get more clearance
on that side if you install the axle in the orientation I did).
If you haven't built that part yet, then if it were me, I'd
play it safe and just use the best wheel for the plane...the
one they're suggesting.
Tim Olson - RV-10 N104CD - Flying
do not archive
pascal wrote:
>
>
> The wheel for the 5.00-5 tube is the WHLNW511.25. It is machined
> differently to accommodate the longer stem on the 5.00-5 tube. We offer
> an inexpensive exchange (under $20) for those who have not yet mated the
> tire. We can replace one half of the wheel if the tire has already been
> mounted for about $60. The wheel needs to be sent here to have it done
> I don't understand what this means? why would one need to replace the
> wheel half?
>
> --------------------------------------------------
> From: "Tim Olson" <Tim(at)MyRV10.com>
> Sent: Wednesday, January 21, 2009 10:37 PM
> To: <rv10-list(at)matronics.com>
> Subject: Re: Matco RV-10 Nosewheel Axle replacement write-up
>
>>
>>
>> I'm not sure if the backlog is shipping. I ordered the
>> weekend before it was known by most people that they were
>> even available, and my order was one of the first in.
>> I think they ran out right away shortly after.
>>
>> I did just get a little feedback from George at Matco
>> tonight, who I sent the link for the write-up to. He
>> says the following:
>> ------------------------
>> "The installation drawings are also linked on our website on the
>> WHLAXLE24 product page.
>>
>> Did you balance your tire? It made a huge difference for Scott and is
>> easy to do with the center hole in the axle.
>>
>> The wheel for the 5.00-5 tube is the WHLNW511.25. It is machined
>> differently to accommodate the longer stem on the 5.00-5 tube. We offer
>> an inexpensive exchange (under $20) for those who have not yet mated the
>> tire. We can replace one half of the wheel if the tire has already been
>> mounted for about $60. The wheel needs to be sent here to have it done.
>> ------------------------
>>
>> There you go, more info to consider, if you're building.
>>
>>
>> Tim Olson - RV-10 N104CD - Flying
>> do not archive
>>
>>
>> pascal wrote:
>>>
>>>
>>> Hmm.. does this mean the Matco backlog is now shipping?
>>>
>>> Great write-up once again Tim. Thanks for taking time to write it all
>>> up and give your perspective.
>>> P
>>>
>>> --------------------------------------------------
>>> From: "Tim Olson" <Tim(at)MyRV10.com>
>>> Sent: Wednesday, January 21, 2009 1:00 PM
>>> To: <rv10-list(at)matronics.com>
>>> Subject: Matco RV-10 Nosewheel Axle replacement write-up
>>>
>>>>
>>>>
>>>> Last night I installed the new Matco axle in my RV-10. It
>>>> looks like it should work out way better than the original.
>>>>
>>>> http://www.myrv10.com/N104CD/upgrades/20090120
>>>>
>>>> From my perspective, things started off truly unsafe and
>>>> miserable. This is now basically my 4th "try" at making
>>>> things perfect.
>>>>
>>>> #1. Stainless spacers - trashing my fork
>>>> #2. Large washers protecting fork, Stainless spacers rotation
>>>> locked.....much better from a wear perspective.
>>>> #3. Use Van's new parts provided after SB was put out.
>>>> This was a better situation than the original by FAR.
>>>> But, it is also far from ideal, and is pretty crappy
>>>> from a bearing preload perspective, and they STILL
>>>> didn't provide anti-spin for the spacers.
>>>> #3. Matco's replacement axle. It's far nicer, and basically
>>>> fixes all of the issues that the original one has.
>>>>
>>>> I would encourage all of you RV-10 builders to at absolute
>>>> minimum, do some sort of mod to make Van's spacers anti-spin.
>>>> You will still have to do far more checking of nosewheel
>>>> bolt torque if you want to prevent issues over time, but that
>>>> in itself would be a step up. But really, for the low cost of
>>>> this axle, I think it should just be one of those things that
>>>> everyone does....just like the axle extensions on the main gear.
>>>> Don't wreck something or live with a poor standard design.
>>>>
>>>> --
>>>> Tim Olson - RV-10 N104CD - Flying
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>
>
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msausen
Joined: 25 Oct 2007
Posts: 559
Location: Appleton, WI USA
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| Posted: Tue Feb 10, 2009 2:24 pm Post subject: Matco RV-10 Nosewheel Axle replacement write-up |
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Pascal, you are absolutely correct on this but it's not new news. It's actually been pointed out a couple times before and is how I knew to swap my rim a couple years ago at OSH before I installed it. You cannot mount the rim and then expect to return it as new.
The reason I'm pointing this out is not to be a smart a$$, it's to remind people that all these conversations are archived on the Matronics server and sometimes a simple search can save you some time and $$. Use the tools given to you, if you have any doubt ask the manufacturer and the list first.
Michael
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rene(at)felker.com
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| Posted: Tue Feb 10, 2009 2:39 pm Post subject: Matco RV-10 Nosewheel Axle replacement write-up |
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FYI, my regular Vans supplied nose wheel works great. I am in annual right
now and just changed the axle. The stem is close, but does not contact.
Also, I used the newer, thicker, spacers from Vans when I built up the
wheel. When I took them off it looked like there was some evidence
rotation.
Rene' Felker
RV-10 N423CF Flying
801-721-6080
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