[python] Re: AW: Re: hands free braking aka coaster brake component
- From: Pasi Räsämäki <pasi@xxxxxxxxxxxx>
- To: <python@xxxxxxxxxxxxx>
- Date: Tue, 17 Apr 2012 10:44:14 +0300
" 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."
How about Nexus 8 with coaster brake >
http://www.roseversand.com/article/shimano-nexus-gearbox-hub-inter-8-sg-8c31
/aid:287383
Pasi
Lähettäjä: Gerald <bepb@xxxxxx>
Vastausosoite: <python@xxxxxxxxxxxxx>
Päivämäärä: Sun, 15 Apr 2012 23:26:35 +0200
Vastaanottaja: <python@xxxxxxxxxxxxx>
Aihe: [python] AW: Re: hands free braking aka coaster brake component
Hi Paul,
with a Python, the coasterbreak is in the frontwheel anyway. It is also a
lot more efficient as on a RWD bike.
Gerald
-----Ursprüngliche Nachricht-----
> Von: Paul Cartwright <paulcartwrightx@xxxxxxxxx>
> An: python@xxxxxxxxxxxxx
> Gesendet: Dienstag, 10. April 2012 01:59:47 GMT+00:00
> Betreff: [python] Re: hands free braking aka coaster brake component
>
> 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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