Re: [CR] Stopping power, was Weinmann Brakes: 500 vs. 605


In-Reply-To: <4B7B3CC5.3030507@verizon.net>
References: <4B7B3CC5.3030507@verizon.net>
Date: Wed, 17 Feb 2010 06:01:18 -0500
From: Ken Freeman <kenfreeman096@gmail.com>
To: <hsachs@alumni.rice.edu>
Cc: Classic Rendezvous <classicrendezvous@bikelist.org>
Subject: Re: [CR] Stopping power, was Weinmann Brakes: 500 vs. 605


Correct me if I'm wrong, but the 605 is a longer brake than the 500, right? So all other things (pads, cables, levers, and rims, the 500 should have better stopping power and a softer feel than the 605?

On Tue, Feb 16, 2010 at 7:48 PM, Harvey Sachs <hmsachs@verizon.net> wrote:
> It's pretty easy to degrade the performance of brake systems. To start
> with, use the wrong pad. Changing to a good pad probably makes more
> difference than anything else - and conveniently is the cheapest improvement
> (other than cleaning the rims).
>
> Next, in general, centerpulls have more leverage than sidepulls, and short
> arms have more leverage than long ones. Just the physics, ma'am. So, to
> degrade performance, use super-long arm side-pulls, like those found on
> certain beknighted BMX bikes. Whose operators are not known for big strong
> hands. Oh well, Darwin wins.
>
> Third, levers vary almost 2:1 in their leverage, with Universals having
> very low leverage - and correspondingly high travel, and Weinmanns much
> better among the ones I've measured. Want less stopping power and a harder,
> firmer, feel? Install Universal levers.
>
> Remember, more leverage will feel softer, since you can apply enough force
> to feel all the flex in the cables, calipers, mounts, etc.
>
> harvey sachs
> mcLean va
> ++++++++++++++++++++++++++++++++++++
> "Baron C" responded to a question:
>
> 605!........Is a better brake!....Better stopping power and so
> on........500>>>>>wIMpY! Me....Remember>>>>Flying down 9 into SANTA
> CRUZ!...Using Weinmann 500......Was like having NO BRAKES!....What was I
> THINKING?????????????????
>
> Richard Cielec had asked:
> >>
> >> I am asking for comments comparing the performance of these two models.
> I understand this is subjective and many factors obtain yet, none-the-less,
> I'd welcome the feedback. I am concerned about the performance such as
> stopping power, feel, "snap" and such.
> >>
> >> The 605 has a snazzy QR & adjuster to facilitate maintenance but, these
> are of secondary importance at present.