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  #1  
Old 12-07-2010, 09:13 AM
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Default Frames?

whats the policy on tube frames, if yes then what diameter and thickness? will still run sheet metal skins and some of the factory tub.
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Old 12-07-2010, 11:09 AM
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The rules are being updated this year from what I understand but per last years rules tube is fine, no specs for the frame IIRC. The only trouble I had was the roll cage has to be 1-5/8" .095 minimum tube. If you're building a new rig I would wait and see the new rules first.
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Old 12-07-2010, 11:39 AM
Ryan Gordon Ryan Gordon is offline
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Not sure what you are building or racing but for the most part when I built a new jeep last winter with a tube frame its pretty standard to use 1-3/4 .120 Wall DOM. Some people use chromolly and others use a size bigger tubing depending on size and weight of the rig.
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Old 12-07-2010, 11:54 AM
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i was thinking 1.75 .120 wall for the main frame and cage. just wanted to know if they were allowed. trying to build 2 and wanted to use stuck frame for trail rig and tube for race rig
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Old 12-07-2010, 06:30 PM
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There is a Safety Rule proposal to be voted on at Winter Convention regarding Roll Cage Steel.

Rule presently reads: Fabrication bars: Minimum of 1-5/8" OD tubing with a minimum of 0.090 wall thickness. No threaded fittings. Aluminum and stainless not allowed.

Proposed rule amendment: Fabrication bars: Minimum of 1-5/8" OD tubing with a minimum of 0.090 wall thickness, or 1 1/2 tubing with a minimum of 2.0 wall thickness. No threaded fittings. Aluminum and stainless not allowed.

The ballot can be found in the December issue of the Tri-Power. To qualify to vote you must be a member of the PNW4WDA in good standing (dues paid) and have a current competition tech number.

There are also 3 other proposals on the ballot. A new rule regarding automatic transmissions, a new rule regarding drive line hoops, and a proposed change regarding batteries.
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Old 12-07-2010, 07:41 PM
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Quote:
Originally Posted by Dianamal77 View Post
1 1/2 tubing with a minimum of 2.0 wall thickness. To qualify to vote you must be a member of the PNW4WDA in good standing (dues paid) and have a current competition tech number.
Diana how do I get a tech number? I have a number I always use to register but I don't know if it's official.....Also I assume "2.0 wall thickness" is a typo? Is it maybe .120 wall?......
I'm glad to see that someone is following up with these issues. I've been thinking about it lately of how to get the ball rolling but I see it is already.
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Old 12-07-2010, 10:06 PM
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Rick, as a individual member you should have a 4 digit number starting with the number 9 as your tech number. It should have been assigned at the first summer convention that you went to at straddleline.
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  #8  
Old 12-09-2010, 09:20 AM
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awesome thank you very much for the info. i hopr to be able to make it up for a couple races this coming year.
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Old 12-09-2010, 12:39 PM
Art Waugh Art Waugh is offline
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I suspect that the 2.0 is NOT a typo, but refers to 2.0 mm wall thickness. (change aimed at our northern folks, eh?)
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  #10  
Old 12-10-2010, 07:28 AM
Jay W Jay W is offline
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Quote:
Originally Posted by Art Waugh View Post
I suspect that the 2.0 is NOT a typo, but refers to 2.0 mm wall thickness.
That would be 2mm/25.4=.078".

So .078" wall tube?
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