Moselle Crash

Too Tired
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Moselle Crash

Postby Too Tired » Mon Sep 18, 2017 1:07 am

Someone's mechanic is going to get an earful
Last edited by Too Tired on Mon Sep 18, 2017 10:28 am, edited 4 times in total.
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Bunged Knee
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Re: Moselle Crash

Postby Bunged Knee » Mon Sep 18, 2017 7:49 am

Deleted YouTube as Too Tired had fixed it.
Last edited by Bunged Knee on Tue Sep 19, 2017 10:16 am, edited 1 time in total.
ID please? What ID? My seat tube ID is 27.2mm or 31.6mm depending on what bikes I ride today.thanks...

ironhanglider
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Re: Moselle Crash

Postby ironhanglider » Tue Sep 19, 2017 7:22 am

Too Tired wrote:Someone's mechanic is going to get an earful


Failure by a mechanic, or mechanical failure?

It looks like something broke, but was that a manufacturing fault, or improper installation? Or a bit of both...

It's not something you'd expect to see on a touring/commuter bike, but with lightweight bikes being pushed harder the margin for error would be smaller.

Cheers,

Cameron.
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AUbicycles
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Re: Moselle Crash

Postby AUbicycles » Tue Sep 19, 2017 7:59 am

I though it was the aerobars, but no, on closer look the carbon fiber steerer snapped clean... or the aerobar construction which fitted onto the steerer was pulled off. This was obviously impacted nut the speed hump.

Possible causes:
• Engineering / Design flaw where the security (fastening) was insufficient
• Too Tight (and snaps / sheers)
• Too Loose (and it slides off)

The rider puts his foot forwards as he knows he has lost control - in hindsight the dropbars were still there but I don't know if they were still ok. You can see the front tyre also popping.

Hope the rider wasn't badly hurt - someone will certainly need to provide answers.

Christopher

brumby33
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Re: Moselle Crash

Postby brumby33 » Tue Sep 19, 2017 8:02 am

It looked like the aerobars disconnected themselves from the handlebars, whether they snapped or just slipped is hard to tell but it was pretty sudden. It looked as if the brackets may have given way and the aerobars just came straight off the contact point of the handlebars. Given that the majority of the rider's weight would be on the elbow pads, how much percentage of a 70kg rider's weight would be on those pads? It looks at that point where it all came unstuck.

Cheers

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MichaelB
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Re: Moselle Crash

Postby MichaelB » Tue Sep 19, 2017 10:35 am

info from WW re failure - mech did some dodgy work




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AUbicycles
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Re: Moselle Crash

Postby AUbicycles » Wed Sep 20, 2017 2:35 am

The mechanic added a spacer and the bolts were too short.

http://redkiteprayer.com/2017/09/35004/

djw47
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Re: Moselle Crash

Postby djw47 » Thu Sep 21, 2017 1:38 pm

Looks like he got the full impact on his bollocks. Might be a while before he's able to sit on a saddle!
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caneye
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Re: Moselle Crash

Postby caneye » Sat Sep 23, 2017 12:09 am

AUbicycles wrote:The mechanic added a spacer and the bolts were too short.

http://redkiteprayer.com/2017/09/35004/



that's a very detailed explanation by Padraig.
Love the RKP articles in general.

Too Tired
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Re: Moselle Crash

Postby Too Tired » Tue Oct 03, 2017 2:37 pm

Too Tired wrote:Someone's mechanic is going to get an earful


ironhanglider wrote:Failure by a mechanic, or mechanical failure?


AUbicycles wrote:The mechanic added a spacer and the bolts were too short.


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