[Yak] Drag brake on BF triple

John S. Allen jsallen at bikexprt.com
Sun Jan 8 17:27:48 PST 2012


At 10:07 PM 1/7/2012, Wesley Smith wrote:
> > The cooling of a smaller rim with a rim brake, on the other hand, 
> is less, because it isn't moving either forward or in rotation any 
> faster than a larger rim, and it is smaller.
>
>Wouldn't less surface area of the smaller rim = more heat than a larger rim?

No disagreement. As you said, the heat is greater, because, as I 
said, the cooling is less -- all other things being equal.

John S. Allen

Technical Writer/Editor,  http://sheldonbrown.com

jsallen *at* bikexprt.com
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