What causes whoops?

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Topic: What causes whoops? (Read 5316 times)

budman

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What causes whoops?

« on: February 13, 2005, 07:49:01 PM »

What the heck causes whoops on the trails like at ONF?


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Redgrizzly660

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Re: What causes whoops?

« Reply #1 on: February 13, 2005, 07:54:54 PM »

I see u change your cooler from a 36qt to 34 qt Did u get a new one


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budman

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No, I'm not depressed...I'm just guarding my beer!

Re: What causes whoops?

« Reply #2 on: February 13, 2005, 07:57:35 PM »

Quote

I see u change your cooler from a 36qt to 34 qt Did u get a new one

The nosey Grizz pointed out my error in cooler size...hell, I was drunk when I typed that.... Grin


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Mars

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Re: What causes whoops?

« Reply #3 on: February 14, 2005, 06:54:20 AM »

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What the heck causes whoops on the trails like at ONF?

They start off as small soft spots. On foot they may never form a depression but the forces of a 500lb quad/bike etc. at speed pushes the dirt out of the soft spot going in and the rear tire lifts the dirt going out forming the "rim" if you will. The rim packs down on the cycle repeats over and over. As the rim get higher....more throttle more forces etc.....


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B-man

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Re: What causes whoops?

« Reply #4 on: February 14, 2005, 06:57:51 AM »

My YZ 490....lol Grin


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prnstar123

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Re: What causes whoops?

« Reply #5 on: February 14, 2005, 07:44:17 AM »

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My YZ 490....lol Grin

[smiley=Clap.gif] lmao


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Ida_Mann

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Re: What causes whoops?

« Reply #6 on: February 14, 2005, 09:08:34 AM »

I'll go back and see if I can find what I found before.

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Ida_Mann

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Re: What causes whoops?

« Reply #7 on: February 14, 2005, 09:24:35 AM »

good article about washboard roads which form the same way that whoops do, just with the much more lenient suspension that an ATV or motorcycle has as compared to a car.

http://www.gi.alaska.edu/ScienceForum/ASF12/1291.html

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