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03-24-2007, 10:45 PM
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Hummer Guru
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Can anyone 'splain how to measure "Arch"??
I need to measure the arch on my springs for my add-a-leaf,.
I looked it up, it shows what the measurement is, but I hope I do not have to take off my leafs to obtain the measurement.
Do I?
Last edited by HummBebe : 03-24-2007 at 10:53 PM.
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03-24-2007, 11:22 PM
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Re: Can anyone 'splain how to measure "Arch"??
Did you forget HS Geometry. Get out your protractor and compass and measure the angle. Then plot it. You should be close to factory spec.
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03-25-2007, 12:29 AM
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Re: Can anyone 'splain how to measure "Arch"??
Directed angle measure(theta) times radius= arch length
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03-25-2007, 01:15 AM
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Re: Can anyone 'splain how to measure "Arch"??
Thank you so much, I know how to arrive at the measurement, can I do it crawling under my truck? Or do I have to remove it and measure laying on the ground?
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03-25-2007, 11:07 AM
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Re: Can anyone 'splain how to measure "Arch"??
HB,
Check with manufacturer of product. Would make sense to not have to remove it first. However reality and Murphy's law state other factors. Like measure 2x cut once! 
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03-27-2007, 06:29 PM
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Hummer Authority
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Re: Can anyone 'splain how to measure "Arch"??
Quote:
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Originally Posted by HummBebe
Thank you so much, I know how to arrive at the measurement
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What needs to be measured? Can't you do it with a flexible tape while lying underneath the truck?
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03-27-2007, 06:47 PM
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Re: Can anyone 'splain how to measure "Arch"??
Quote:
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Originally Posted by ree
What needs to be measured? Can't you do it with a flexible tape while lying underneath the truck?
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Unforunately you have to do the math above to insure proper spring rate. You could have 62" leafs on 2 different rigs, but the distance between the hangers could be different. Effects sag, stiffness, recoil, and shock length and travel would also be effected  etc. They take the measurements into consideration along with added rear end weight and customer preferences, if getting a custom job. DEAVER baby! 
She is just doing an add a leaf, but they would still need the right measurements.
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Last edited by stagger_lee : 03-27-2007 at 07:13 PM.
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03-26-2007, 05:56 AM
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Re: Can anyone 'splain how to measure "Arch"??
Quote:
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Originally Posted by wpage
Directed angle measure(theta) times radius= arch length
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03-26-2007, 10:33 PM
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Re: Can anyone 'splain how to measure "Arch"??
Can someone measure this arch for me?
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03-26-2007, 11:21 PM
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Re: Can anyone 'splain how to measure "Arch"??
Quote:
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Originally Posted by f5fstop
Can someone measure this arch for me?
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Sure, I probably could. |
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