[Land-speed] Tire Valves

[DAW1]

As a machinist  I would recommend useing a thread gauge when you tap the 
holes too, so you have the correct engagement. doug
----- Original Message ----- 
From: "Kirkwood" <saltfever at comcast.net>
To: "land-speed" <land-speed at autox.team.net>
Sent: Saturday, January 23, 2010 4:25 PM
Subject: [Land-speed] Tire Valves


> Thanks, JT. . .  good idea. I also checked the Machinery's handbook and 
> the
> recommended engagement for hand tight is .161'' which is about 4-5 
> threads.
> For high pressure they say ''longer thread engagement is used''  but give 
> no
> recommendation. Me thinks added thickness is a good idea.
>
> From: Joe Timney <joetimney at dol.net>
>
> Wall thickness concerns...add two bosses, 180 degrees apart on the inside 
> of
> rim, drill and tap one and balance the rim before adding the tire.
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