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Old 08-04-2012, 12:07 AM   #1
theManofRussia
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Pothole at 170mph = crash or not?

If those guys who (claim to) average 160mph looping the 610, hit a pothole on the straight section, I have a theory it wouldn't cause a crash:

at that speed the two forces that would push the wheels into the pothole (the fork spring force and gravity) would not have enough time to push the wheels deep enough into the hole to cause any deceleration when they hit the other side (unless the pothole is unusually long), so they would just end up flying over the bottom of the pothole.

Thoughts?
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Old 08-04-2012, 12:18 AM   #2
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610 has pot holes? That's news to me. With that said what you suggest makes sense.
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Old 08-04-2012, 12:32 AM   #3
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Yeah I saw at least one myself, and there was that other bog one in the news.
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Old 08-04-2012, 12:49 AM   #4
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wont crash. moving to fast. the bike would skim over it like nothing. unless it was a couple feet long
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Old 08-04-2012, 01:03 AM   #5
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Quote:
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wont crash. moving to fast. the bike would skim over it like nothing. unless it was a couple feet long
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Old 08-04-2012, 01:30 AM   #6
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Quote:
Originally Posted by tiatool View Post
nythbuster had a really good episode regarding speed and bumps. the slower you go the more your suspension and vehicle feel the bumps.. the faster you go the more the vehicle is just going to skim across the tops of the bumps
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Old 08-04-2012, 01:43 AM   #7
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potholes, hills, off camber turns.... triple digits on public roads is just wrong people!...










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Old 08-04-2012, 01:53 AM   #8
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Old 08-04-2012, 05:08 AM   #9
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Why would you want to hit a pothole at 170? Avoid it.
If your "dumb" enough to run a road at that speed without checking it out first, we'll just add you to the Darwin list.
If you are skilled enough to run those speeds, you should be able to place the bike where you want it.
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Old 08-04-2012, 07:12 AM   #10
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Quote:
Originally Posted by Romeo36 View Post
nythbuster had a really good episode regarding speed and bumps. the slower you go the more your suspension and vehicle feel the bumps.. the faster you go the more the vehicle is just going to skim across the tops of the bumps
WHen I rode off road and having the opportunity to ride down railroad tracks I can tell you that it is smoother the faster you go, going slow would beat the heck out of you.
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Old 08-04-2012, 07:30 AM   #11
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[QUOTE=Fastola;3330601 If even it blew the back tire out you would be screwed.

[/QUOTE]

Its not a given on that. I have blown the front and rear tires at the same time on the freeway without crashing. In fact, I have done that twice. Once with a huge pothole and the other with a fence post another vehicle hit and shot in front of me. Both times my speed was about 80mph.

Factors for failure or sucess would be suspension setup and if you were decelerating or speeding up prior to impact. Speeding up is the better option. Another very serious factor is if the bike were upright (correct) or in a lean.
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Old 08-04-2012, 07:44 AM   #12
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I've hit a pothole going 50 and didn't feel it.. and I don't know if you could avoid much of anything going 170mph
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Old 08-04-2012, 08:05 AM   #13
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I used to go fast over speed bumps in my sister's truck thinking it was better. Broke the suspensionn the front right. Now that I have my own I always crawl over them.

Unless I'm on my bike, for air time.

I don't think anything would happen unless it was hit just right to set the bike into some serious harmonic resonations. If you saw it I suppose you could simply let off the throttle and open it all the way to remove the weight from the front.

I've seen a couple long potholes before on the NW side of 610 between 45 and i10. They looked just wide enough for my front tire and just long enough to ruin my day...or life. After I saw them the first time I stayed clear of those lanes. That was on the counterclockwise side.
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Old 08-04-2012, 08:07 AM   #14
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I've ridden down a curvy backroad with a completely flat front tire and bent rim.
Handled like but made it fine in the 30-40 mph range.
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Old 08-04-2012, 08:19 AM   #15
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Quote:
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I've ridden down a curvy backroad with a completely flat front tire and bent rim.
Handled like but made it fine in the 30-40 mph range.
Lol. What happened?
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Old 08-04-2012, 08:20 AM   #16
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At those speeds hitting those long lined gaps in the roadway would be scarey as .
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Old 08-04-2012, 09:37 AM   #17
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The solution to this is to pop wheelie at 170mph on 610 lol
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Old 08-04-2012, 09:57 AM   #18
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Quote:
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Lol. What happened?
Overcooked a corner, jumped a ditch, hit a tree root or rock and bent the rim. Didn't realize the rim was dented till I got back on the pavement and went into the next turn...
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Old 08-04-2012, 09:59 AM   #19
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Just saying, "If you hit a pothole at 170, would you crash" is like saying, "If I jump off the roof, will I die"

If the roof is 10 feet off the ground, probably not.
If the pothole is a foot or less in diameter, probably won't crash.

On the other hand if the roof is 200 feet high, then yes.
If the pothole is 3 feet deep and 4 feet in diameter , then yes.
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Old 08-04-2012, 10:33 AM   #20
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Does anyone remember years ago when a Houston motorcycle cop got his tires in a wide seam on one of the freeways and the bike came to a stop upright when the seam closed enough? at band camp
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