RCW, I too spent some time in music. Do you remember hearing a universal
tuning note called A440? Meaning the string, or whatever, moves 440 cycles
per second. So braking causes some components on your bike to vibrate at the
frequencies called high D (faster) and low E (slower). I spent less
https://lh6.googleusercontent.com/-wyeArXiZAbU/U9tXVgqEFfI/AAc/eRkTnxI4gv4/s1600/belleville.jpg
tires might function to increase amplitude at certain frequencies like the
body of a violin (32 pasela) compared to a cello (55 big ben).
I have no idea why pitch is so different, but as
On Friday, August 1, 2014 4:02:25 AM UTC-5, Takashi wrote:
https://lh6.googleusercontent.com/-wyeArXiZAbU/U9tXVgqEFfI/AAc/eRkTnxI4gv4/s1600/belleville.jpg
tires might function to increase amplitude at certain frequencies like
the body of a violin (32 pasela) compared to a cello
I am laughing because I played viola in my youth; no slight intended, I assure
you! so perhaps
Pasela 32's = violins
Soma Xpress 38's=violas
Hetres 42's = cellos
Big bens 55=basses
This might support my totally unfounded theory about the tone. Spoke length or
rim circumference would be
Wet plus insanely steep grade single track on the Continental Divide Trail
gave me some spectacular tones and pulsing beats as the brakes were
clenched near full. But I was paying more attention to the trail and rocks
and thousand foot drops should I bungle it, so I have no idea the tone (and
When brakes squeal the spokes in the wheel act like strings on a musical
instrument.
If you want it to stop, and don't want a huge amount of playing around with
it, just install a brake booster.
On Tue, Jul 29, 2014 at 1:29 PM, dougP dougpn...@cox.net wrote:
To get the ball rolling I'll guess
A timely topic for discussion, this is. I've recently encountered the same
problem on one of my bikes. It is a Surly 1x1 and for years I've had a
problem mounting a rear fender because the arms on the run-of-the-mill
Shimano linear pull brake aren't long enough to accommodate both a fender
-0700
From: bhim...@gmail.com
To: rbw-owners-bunch@googlegroups.com
Subject: [RBW] Re: Tuning Brake Squeal
A timely topic for discussion, this is. I've recently encountered the same
problem on one of my bikes. It is a Surly 1x1 and for years I've had a problem
mounting a rear fender because
Dear RCW, I don't like brake squeal. I don't like it so much that I never
focus on what the pitch is. I'm too busy not liking it. Of course I can't
carry a tune in a bucket, and mostly don't hear out of my left ear (need
surgery but resist out of general life long cowardice and allergy to
To get the ball rolling I'll guess wheel diameter but have no technical
basis for that thought. Probably a lot of variables involved.
dougP
On Tuesday, July 29, 2014 10:02:32 AM UTC-7, Liesl wrote:
Riddle me this, Batman! What causes different pitches in brake squeal?
(I got to
I've used canti's for along time and never experienced a squeal I could
not remedy until I started using Kool Stop Salmon pads , the smooth posted
Eagle 2. As a last resort, I shortened them, cutting off the tail
end(where the second channel is, use that a guide and cut right there).
I perhaps should have mentioned that I don't mind the squeal and that both
bikes are stopping just fine. Mark Abele installed the Pauls just 4 months
ago, and IMO he's the bomb as far as brake set-ups go.
I am more struck, mostly as a musician, that the pitch is so different. I
might wonder
The Kool Stop Dura Cartridge holders (for caliper brakes) when new are
completely self-aligning - they come from the package with a concave shape
that automatically aligns toe and flatness (if you follow the directions).
It's because of the nifty spherical washer and ball socket which Grant
Isn't that the truth ! Have some F U N :-))
On Tuesday, July 29, 2014 5:25:55 PM UTC-4, Liesl wrote:
Mostly I am having fun.
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