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Old October 25th 17, 01:13 AM posted to rec.bicycles.tech
Jeff Liebermann
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Posts: 4,018
Default Why do some forks and frames have brake rotor size limits?

On Sun, 22 Oct 2017 09:06:07 -0700, Jeff Liebermann
wrote:

Have you considered adding a water mist brake cooling system instead?


Curses, it's not going to work. The problem is that a very fine water
mist sprayed at a red hot brake disk will vaporize (evaporate) the
tiny water droplets before they hit the red hot brake disk. That's
nice for evaporative cooling the air around the brakes, but does
nothing to cool the actual brake disk. To do that would require
larger droplets, a higher velocity droplet spray, or both. Dumping
liquid water on the brakes would also work, but that's like having
your own private rain storm, which was the original problem.

Grumble...


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Jeff Liebermann
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