Today's Message Index:
----------------------
1. 12:29 AM - Re: RV-List Digest: 4 Msgs - 02/03/21 (GLEN MATEJCEK)
2. 05:15 AM - Re: Re: RV-List Digest: 4 Msgs - 02/03/21 (RV6 Flyer)
3. 06:37 AM - Re: Re: RV-List Digest: 4 Msgs - 02/03/21 (Dave Leikam)
4. 07:50 AM - Re: Re: RV-List Digest: 4 Msgs - 02/03/21 (Gary VanRemortel)
5. 08:45 PM - Re: Additions to Vic Syracuse's Sport Aviation article this month (Gary VanRemortel)
Message 1
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| Subject: | Re: RV-List Digest: 4 Msgs - 02/03/21 |
Viton seals
>
Hi All- I was under the impression viton was not good for reciprocating
applications, like brake pucks. Is there any experience out there to the
contrary?
Thanks in advance!
Message 2
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| Subject: | Re: RV-List Digest: 4 Msgs - 02/03/21 |
Been using Viton on the calipers for 10+ years. They last longer than the
mil spec o-rings. They are higher temperature rated BUT the down side is t
hey can leak and not seal as well as lower temperatures. I typically do no
t operate my RV at the lower temperature so it is not a big deal for me.
https://o-ring.info/en/materials/vitonr--fkm/vitonr-temperature-rating/
https://www.sealingdevices.com/temperature-ranges
Gary A. Sobek
"My Sanity" RV-6 N157GS O-320 Hartzell,
3,400+ Flying Hours NC25, USA
________________________________
From: owner-rv-list-server@matronics.com <owner-rv-list-server@matronics.co
m> on behalf of GLEN MATEJCEK <fly4grins@gmail.com>
Sent: Thursday, February 4, 2021 8:28 AM
Subject: RV-List: Re: RV-List Digest: 4 Msgs - 02/03/21
Viton seals
Hi All- I was under the impression viton was not good for reciprocating a
pplications, like brake pucks. Is there any experience out there to the co
ntrary?
Thanks in advance!
Message 3
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| Subject: | Re: RV-List Digest: 4 Msgs - 02/03/21 |
I replaced the stock break seals on my RV10 with viton seals after they fail
ed due to a long taxi at KOSH one year. Never a problem after that. Also u
sed ATF for fluid due to higher flash point.
Dave Leikam
> On Feb 4, 2021, at 2:32 AM, GLEN MATEJCEK <fly4grins@gmail.com> wrote:
>
> =EF=BB
>
>
>> Viton seals
> Hi All- I was under the impression viton was not good for reciprocating a
pplications, like brake pucks. Is there any experience out there to the con
trary?
> Thanks in advance!
>
Message 4
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| Subject: | Re: RV-List Digest: 4 Msgs - 02/03/21 |
Very little reciprocation occurs in disk brake caliper piston. I replaced
the original leaking Nitrile O-rings in mine with Viton 15 yrs ago and
haven't had a problem since. If you are concerned with the poor low temp
performance of Viton in your climate, go with Fluorosilicone.
-GV
On Thu, Feb 4, 2021 at 12:32 AM GLEN MATEJCEK <fly4grins@gmail.com> wrote:
>
>
> Viton seals
>>
> Hi All- I was under the impression viton was not good for reciprocating
> applications, like brake pucks. Is there any experience out there to the
> contrary?
> Thanks in advance!
>
>
Message 5
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| Subject: | Re: Additions to Vic Syracuse's Sport Aviation article this month |
Yingling has 154-13000 listed for <$47/ea.
On Wed, Feb 3, 2021 at 7:02 PM RV6 Flyer <rv6_flyer@hotmail.com> wrote:
> Where can we get a good price on that 154-13000 seal? They are over $50
> each everywhere I looked. Has anyone found a NAPA or other non-aircraft
> part number that we EXPERIMENTAL type can use?
>
> Gary A. Sobek
> "My Sanity" RV-6 N157GS O-320 Hartzell,
> 3,400+ Flying Hours NC25, USA
>
> ------------------------------
> *From:* owner-rv-list-server@matronics.com <
> owner-rv-list-server@matronics.com> on behalf of HARRY CROSBY <
> hcrv6@comcast.net>
> *Sent:* Wednesday, February 3, 2021 6:06 PM
> *To:* rv-list@matronics.com <rv-list@matronics.com>
> *Subject:* Re: RV-List: Additions to Vic Syracuse's Sport Aviation
> article this month
>
> Good tips GV, I copied it even if they don't print it. Thanks.
>
> Harry Crosby N16CX
>
> On 02/02/2021 10:12 PM Gary VanRemortel <garyvanremortel@gmail.com>
> wrote:
>
>
> I sent this to the editor today.
>
>
> Vic Syracuse did a good job on care and feeding of tires and brakes in th
e
> Feb 2021 issue, but please allow me to add my top tips. Change tires and
> tubes in a clean area of your hangar, so grit and metal chips won
=99t get
> trapped between tire carcass and tube. Baby powder contains oils that wi
ll
> attack your tubes, Brown Aircraft EC880 silicone powder is a better
> choice. Reinstall valve cap right after inflating, so grit doesn
=99t get
> into valve causing leaks. New molded seals 154-13000 are superior to oil
ed
> felt washers used on common 5=9D wheels in keeping grit out of bear
ings.
> Upgrade Nitrile caliper piston O-rings to Viton or Fluorosilicone for hig
h
> temperature resistance to compression set. Modern wheel weights are no
> longer Lead, they are Steel or Zinc and a lot more are needed to balance.
> MIL-H-5606 fluid has been superseded by fully compatible far less flammab
le
> MIL-PRF-87257 fluid. Mobil SHC100 is the Parker Hannifin preferred beari
ng
> grease. Use high temperature ceramic grease on anchor pins going into
> torque plate.
>
>
> Gary VanRemortel N1GV
>
>
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