[python] Re: hands free braking aka coaster brake component
- From: Paul Cartwright <paulcartwrightx@xxxxxxxxx>
- To: python@xxxxxxxxxxxxx
- Date: Mon, 9 Apr 2012 21:59:47 -0400
Mike,
I like your idea. Also nice because now the back-pedaling coaster brake
can be attached to a front wheel brake which is more effective at stopping
the bike. The only problem I foresee is that it would be easy to break
the cable with too much force applied to the brake.
Perhaps spring-loading the cable so that a firm pressure may be applied
after which the back pedaling motion hits a stop.
Paul
On Sun, Apr 8, 2012 at 7:53 PM, Mike Power <mpower.lists@xxxxxxxxxxxx>wrote:
> I really like the idea of hands free braking. But I do not like the idea
> of being constricted to the components that support it. As the only
> components that support it are hubs, and I do not find coaster brake hubs
> to have all the features I am looking for.
>
> One thought I had was to engage a more traditional brake system (disc
> brakes, rim brakes) with a reverse in the drive system. Unless you are
> doing a fixie (in which case you don't want a coaster brake anyway) then
> reverse pedaling is an unused dimension of the bicycle. Not pedaling at
> all, and reverse pedaling are no different when it comes to the physical
> dynamics of the bicycle.
>
> One concept would be to install a free wheel to the left side of the
> crank. Put a cable or loop of cable on the free wheel and mate the cable
> to some sort of brake. When you are pedaling forward the crank should be
> engaging the drive train and the brake freewheel should be slipping. When
> you are pedaling backward the crank should be engaging the brake system and
> the drive freewheel should be slipping.
>
> Thoughts? Does something like this already exist?
>
> Mike Power
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