[Land-speed] Tire Valves

[MEIERLE Mike]

What he said... one dragged foot in the pit's and a flat tire and
screwed up rim....

Mike Meierle
Sr. Systems Engineer
Alcatel-Lucent

7751 Windsor Drive
Dublin, OH 43016
(614) 284-6229

-----Original Message-----
From: land-speed-bounces at autox.team.net
[mailto:land-speed-bounces at autox.team.net] On Behalf Of Dave Dahlgren
Sent: Friday, January 22, 2010 8:29 AM
To: Joe Timney
Cc: land-speed
Subject: Re: [Land-speed] Tire Valves

Actually the previous design is mechanically more robust than any pipe
thread could ever be where is the upgrade. If you doubt my reasoning
install
one of each in an out rim or pieve of steel and atack it it with a
hammer or
any other way that might put a side load on it and see for yourself. If
I
was a tech inspector no way would I pass an 1/8 inch pipe tire valve.
Dave
----- Original Message -----
From: "Joe Timney" <joetimney at dol.net>
Cc: "land-speed" <land-speed at autox.team.net>
Sent: Friday, January 22, 2010 7:52 AM
Subject: Re: [Land-speed] Tire Valves


> Speaking of screw in valve stems...I got this tip from a rim
manufacturer:
> Red or yellow color coded stems are ok, white or blue are not to be
used
> for our application.
> joe
>
> Kirkwood wrote:
>> I picked up some ''special'' tire valves this afternoon from a racing

>> tire
>> distributor. He said a few folks are using them on their LSR tires. I

>> have
>> never seen them before and would like your comments.
>>
>>
>> The usual steel valve is inserted from the inside and has a nut
screwing
>> everything together from the outside (with a rubber gasket providing
the
>> seal). These valves have a 1/8 NPT (tapered pipe thread). You just
tap
>> the
>> rim (carefully) and then screw them in from the outside. They are
high
>> quality Schrader tank valves. There is no rubber gasket because the
pipe
>> thread is self-sealing. I don't think any pipe thread is completely
leak
>> proof but the dealer said red Locktite will do the job. There is no
>> rubber
>> gasket which could be a failure point. What is your experience with
the
>> high
>> pressure (70psi) LSR tires? Is the screw in design as strong as the
other
>> method?  TIA  :-)
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