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Old 07-18-07, 07:04 PM   #1
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Vino: What caused the crater?

When the Wreck happened, a rumor was reported that he had collided with a motorcycle. Suspiciously, nothing further has been said.

What actually happened?
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Old 07-18-07, 07:19 PM   #2
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According to Vinokourov, his chain skipped and he lost his balance on the descent/corner.
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Old 07-18-07, 09:03 PM   #3
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Any chance you have a source on that? It's not that I don't believe you... it's just that I hadn't heard anything, either.
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Old 07-18-07, 09:10 PM   #4
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According to Vinokourov, his chain skipped and he lost his balance on the descent/corner.
That sounded odd from the moment I heard it. Maybe the racers here can chime in - can a skipping chain really throw you off balance enough on a fast corner to crash? Also, from the camera angle where we saw Vino immediately after the crash, it didn't seem like a corner.
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Old 07-18-07, 10:00 PM   #5
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That sounded odd from the moment I heard it. Maybe the racers here can chime in - can a skipping chain really throw you off balance enough on a fast corner to crash?
Yes
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Old 07-18-07, 10:03 PM   #6
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That sounded odd from the moment I heard it. Maybe the racers here can chime in - can a skipping chain really throw you off balance enough on a fast corner to crash? Also, from the camera angle where we saw Vino immediately after the crash, it didn't seem like a corner.
**** an a' yeah. i once tumbled completely over the handlebars at close to 25mph because my chain skipped and fell off. it sucked. really bad.
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Old 07-18-07, 11:19 PM   #7
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**** an a' yeah. i once tumbled completely over the handlebars at close to 25mph because my chain skipped and fell off. it sucked. really bad.
I don't get it - you have a freewheel - why does a dropped chain throw you over the bars?
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Old 07-18-07, 11:23 PM   #8
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I don't get it - you have a freewheel - why does a dropped chain throw you over the bars?
you are putting so much force into pushing the peddle down, and suddenly there is no resistance. All that force has to go somewhere.
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Old 07-19-07, 12:01 AM   #9
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Years ago I went over the handlebars of my old MTB when I was sprinting down a hill in top gear.

Managed to put myself down on the grass shoulder. Nothing but a helmet and ear full of dirt.

I imagine Pro bikes are better maintained/adjusted/built than my crummy old mountain bike was, but if the chain were to get dropped, I can see it really upsetting someone's balance.
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Old 07-19-07, 12:10 AM   #10
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... if the chain were to get dropped, I can see it really upsetting someone's balance.
Especially if (hypothetically) he was sprinting out of the corner, and out of the saddle at the time.

Several years ago, Tyler Hamilton broke his shoulder at the Giro when he was sprinting out of a corner and the pawls on his cassette gave way, launching him over the handlebars.
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Old 07-19-07, 01:36 AM   #11
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I don't get it - you have a freewheel - why does a dropped chain throw you over the bars?
Last year I broke my collarbone from a crash caused by a broken chain. When my chain broke I was standing on the pedals accellerating up a slight upgrade and had my right right foot at the top of a pedal stroke. With the abrupt loss of the expected pedal resistance, my right foot went down immediately with my body going right from the loss of right side support and my handlebars pivotting left from the extra weight of my right arm, the collarbone breaking when my forearm broke my fall.
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Old 07-19-07, 06:38 AM   #12
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Last year I broke my collarbone from a crash caused by a broken chain. When my chain broke I was standing on the pedals accellerating up a slight upgrade and had my right right foot at the top of a pedal stroke. With the abrupt loss of the expected pedal resistance, my right foot went down immediately with my body going right from the loss of right side support and my handlebars pivotting left from the extra weight of my right arm, the collarbone breaking when my forearm broke my fall.
Thanks for all the examples. Makes sense now.
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Old 07-19-07, 07:51 AM   #13
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Any chance you have a source on that? It's not that I don't believe you... it's just that I hadn't heard anything, either.
Sure, I saw it on cycling news a while ago. Also I think it's quoted (in French) on Astana's website. Here's the quote:

Vinokourov blamed the crash, which came on a fast descent with 26 kilometres left in the fifth stage to Autun, on a mechanical, explaining, "I think that my chain skipped, and as a result I lost my balance."

And the link:

http://www.cyclingnews.com/news.php?...l07/jul13news3
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Old 07-19-07, 09:19 AM   #14
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Thanks. TV coverage of the incident was spotty (saw the dropped chain after the crash, but I had assumed it was because of the crash) and it makes a lot more sense now.
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Old 07-19-07, 04:01 PM   #15
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his chain skipped and he lost his balance on the descent/corner
That sounds odd to me too. From the post-crash pictures we got, the road looked fairly straight and flat.
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Old 07-19-07, 05:41 PM   #16
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That sounds odd to me too. From the post-crash pictures we got, the road looked fairly straight and flat.
that would make a bad chain skipping incident more likely. the harder you're stomping (esp. ot of the saddle), the worse losing your chain is going to be.
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Old 07-19-07, 06:46 PM   #17
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With all the TV coverage and other people around, I think covering up a motorcycle hitting him would be exceptionally difficult.

Thats not to say such fowl play wouldn't be unprecedented, I just don't think it happened this time.
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Old 07-19-07, 07:47 PM   #18
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I had a chain pop off while I was mashing out of the saddle. I went straight down. I have the road rash on my forearms to prove it...
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Old 07-20-07, 02:28 PM   #19
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I saw a replay of the post-crater video today and it was in fact on a curve. Couldn't tell much about elevation change..
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Old 07-20-07, 04:53 PM   #20
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Vinos chain was off when the bike was picked up after the crash, they put it back on and away he went, so it figures.
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