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PostPosted: Sat Jun 09, 2012 4:00 pm 
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Joined: Mon Jul 16, 2007 10:17 am
Posts: 609
Location: Latvia
Hello there!

I've been wondering about few pros using air filled camelbacks. Most of them are skinny men with flat backs. I was guessing skinnier men have relatively bigger head proportions to body thats why using camelbacks can improve aerodynamics. I'm a skinny men, Wiggins proportions really and looking to improve aerodynamics.

What's your guess?

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PostPosted: Mon Jun 11, 2012 3:28 pm 
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Joined: Wed Jan 18, 2012 4:23 pm
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Location: Midlands, United Kingdom
This is weight weenies, use Helium!

Otherwise no idea!

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Posted: Mon Jun 11, 2012 3:28 pm 


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PostPosted: Mon Jun 11, 2012 3:33 pm 
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Joined: Tue Apr 12, 2011 8:08 am
Posts: 2292
Location: Pedal Square
Kasparz wrote:
I'm a skinny men, [...] and looking to improve aerodynamics.

If you do it without a means of verifying that it actually improves things (wind tunnel), chances are that you end up doing it in a way that increases drag.

Generally I thought being skinny would be advantageous to aerodynamics?

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PostPosted: Mon Jun 11, 2012 10:09 pm 
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Joined: Mon Oct 22, 2007 7:17 pm
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Location: France
If you look at pictures of Matt Bottrill in the Nat UK 25 TT he was wearing a camel bak on the front , was it air filled I do not know but strange for a 25 mile TT.

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PostPosted: Mon Jun 11, 2012 10:29 pm 
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Joined: Tue Aug 02, 2011 9:20 pm
Posts: 1896
Location: New Zealand
Haven't the UCI banned the wearing of Camelbaks in the front? And they have to have water in therm or something otherwise it counts as an illegal fairing from memory

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PostPosted: Tue Jun 12, 2012 11:56 am 
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Joined: Mon Jul 16, 2007 10:17 am
Posts: 609
Location: Latvia
Yes, at the front camelbacks are banned, but not at the back. I have a gap between my neck and helmet, just like Andy have here.

http://www.centralsportsnews.com/wp-con ... 202009.jpg

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PostPosted: Wed Jun 13, 2012 9:39 am 
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Joined: Fri Jan 09, 2009 11:39 pm
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Location: Norway
Pull the helmet back a bit, then ...


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PostPosted: Wed Jun 13, 2012 10:06 am 
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Joined: Tue Apr 12, 2011 8:08 am
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Location: Pedal Square
Kasparz, interestingly Wiggins and others have started to use stubby tail helmets, so that gap might not be a problem really?

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Posted: Wed Jun 13, 2012 10:06 am 


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PostPosted: Wed Jun 13, 2012 4:25 pm 
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Joined: Sun Jul 11, 2010 6:58 pm
Posts: 236
Location: MS, USA
They're using the stub-tailed helmets so that when they put their head completely down between their arms or glance down they don't have a big tail sticking up into the air. Keeping your head completely down with a stub-tail helmet lowers frontal area, but if you're going to keep your head up a long-tailed helmet should be more aero (just don't glance down with your whole head, only move your eyes).

As for camelbaks (camelfronts?), when your chest/abdomen is very flat it catches a lot of wind, rounding the surface with the camelbak helps redirect the air around the body.

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