Today's Message Index:
----------------------
1. 07:28 AM - RV-6A shaky nose wheel (Ian Brown)
2. 08:00 AM - Re: RV-6A shaky nose wheel (Dan Bergeron)
3. 11:33 PM - Matronics Web Server Repaired and ONLINE! (PLEASE READ) (Matt Dralle)
Message 1
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| Subject: | RV-6A shaky nose wheel |
Bob Collins asks a good question. It's always confused me too. How do we
know when a wheel is free enough? I've packed loads of grease after cleaning
the bearings, then tightened until there's just no free lateral play, but at
that point the wheels don't really turn freely. In fact they stop the
minute you stop turning them. I was surprised when the AntiSplat nose wheel
job came back and I mounted it. It turns as freely as a bicycle wheel!
(I'm not connected with them in any way, by the way, just a fan). I guess
for the standard conical bearings, for the load bearing points, looser
doesn't really change much in terms of pressures and weights on bearing
surfaces. Are there any experts out there - how much grease should these
bearings get and how tight should they be?
"The "turn freely" part of this has always confused me. The instructions are
vague on this (tighten to prevent bearing from turning with the wheel) and
seemingly encouraging it to be tight enough that if you try to spin the
wheel by hand, it won't move that much.
What do other folks do on this point?"
Message 2
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| Subject: | Re: RV-6A shaky nose wheel |
Good Morning
Here's another two cents FWIW - I have an RV-7A my wife and I built over
6.5 years in our one-car garage -
I too have puzzled over nose wheel axle tightening - I tighten carefully
just to the point where there is no lateral movement in the wheel and no
further - at that point the wheel still turns freely (remember that's a 4"
wheel so there isn't going to be a lot of spinning free as with a bicycle
wheel) - I clean the bearings thoroughly with a solvent and grease them
using a bearing greaser available in most auto parts stores - wipe most of
the excess grease from the outside - put a small amount of grease around
the race and put it back together - haven't had a problem in 458 hours -
Dan Bergeron
RV-7A N307TB
458 hours since
first flight Aug 2009
On Thu, Apr 17, 2014 at 10:27 AM, Ian Brown <ixb@videotron.ca> wrote:
>
> Bob Collins asks a good question. It's always confused me too. How do we
> know when a wheel is free enough? I've packed loads of grease after
> cleaning
> the bearings, then tightened until there's just no free lateral play, but
> at
> that point the wheels don't really turn freely. In fact they stop the
> minute you stop turning them. I was surprised when the AntiSplat nose
> wheel
> job came back and I mounted it. It turns as freely as a bicycle wheel!
> (I'm not connected with them in any way, by the way, just a fan). I guess
> for the standard conical bearings, for the load bearing points, looser
> doesn't really change much in terms of pressures and weights on bearing
> surfaces. Are there any experts out there - how much grease should these
> bearings get and how tight should they be?
>
> "The "turn freely" part of this has always confused me. The instructions
> are
> vague on this (tighten to prevent bearing from turning with the wheel) and
> seemingly encouraging it to be tight enough that if you try to spin the
> wheel by hand, it won't move that much.
>
> What do other folks do on this point?"
>
>
Message 3
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| Subject: | Matronics Web Server Repaired and ONLINE! (PLEASE READ) |
Dear Listers,
The new hard drives for the Matronics web server arrived today, Thursday 4/17/2014
and the RAID5 disk array rebuild went very smoothly.
I'm very pleased to report that as of about 11:00 PM PST 4/17/2014, the Matronics
Web server is back online and fully functional! No data or files were lost.
Additionally, those that frequent the AeroElectric web site will find that it has
been restored as well.
Best regards,
Matt Dralle
Matronics Email List and Forum Admin.
Matt G Dralle | Matronics | 581 Jeannie Way | Livermore | CA | 94550
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
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