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Powerbike back brake

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Powerbike back brake

Post  DEREKWISE on Mon Oct 01, 2018 9:40 am

The back pedal brake ' latch' on my 1950 bike has at some time been put together incorrectly and doesn't work how it should,there are 2 levers a spring and pivot pin something may be missing, how should this go together and how should it work its a pain pushing it backwards to. did it ever work well or just a gimmick?

DEREKWISE

Posts : 1
Join date : 2018-09-26

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Powerbike

Post  kerabo on Mon Oct 01, 2018 11:10 am

They are a bit hit and miss at the best of times but once set up correctly do work.

Post a picture if how yours is assembled.

Ken
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kerabo

Posts : 2492
Join date : 2008-02-11
Age : 68
Location : Falcon 87..1936 Cruiser 39. Falcon 81 Green Lane bitsa. Sunbeam S8. Honda Deuville.

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Powerbike back pedal brake

Post  FB vincent on Mon Oct 01, 2018 3:12 pm

DEREKWISE wrote:The back pedal brake ' latch' on my 1950 bike has at some time been put together incorrectly and doesn't work how it should,there are 2 levers a spring and pivot pin something may be missing, how should this go together and how should it work its a pain pushing it backwards to. did it ever work well or just a gimmick?

I assume you have a Powerbike 56 with the Villiers 2F engine.

Send me a PM including your email address, and I will send you an extract from Goddard's FB book (he was the FB service manager).

The trip lever has to be manually set to allow the bike to be wheeled backwards.


Sandy Ross

FB vincent

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Join date : 2009-01-20
Location : Hertfordshire

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powerbike 56

Post  neddyo on Sun Oct 28, 2018 9:37 pm

Hello all Francis Barnett people,
This is my first post so please be gentle with me.
I'm in the final stages of a complete restoration, all has gone without
much drama apart from trying to find the rubber bands for the girder
forks. Are these available anywhere, any help much appreciated.
Also is it possible to post images, if so how do I do this.
Best regards to all,
Nick Davies (in oz)

neddyo

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Join date : 2018-10-27
Age : 82
Location : OZ

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Re: Powerbike back brake

Post  fulmar88 on Mon Oct 29, 2018 7:08 am

No real knowledge of autocycles but remembered this subject coming up before. Try these:

http://www.mopedland.co.uk/chain/index.html#spring

Steve.
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fulmar88

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Re: Powerbike back brake

Post  kerabo on Mon Oct 29, 2018 7:22 am

neddyo wrote:Hello all Francis Barnett people,
This is my first post so please be gentle with me.
I'm in the final stages of a complete restoration, all has gone without
much drama apart from trying to find the rubber bands for the girder
forks. Are these available anywhere, any help much appreciated.
Also is it possible to post images, if so how do I do this.
Best regards to all,
Nick Davies (in oz)

The bands are what they used to use on Speedway bikes. Maybe you could ask vintage speedway or give Des Heckle a call.
I just searched and Hagon Speedway Have them listed. You will need to check the size but from memory they look ok.
Some have two with the outer band a fraction bigger.
Ken

Ken


Last edited by kerabo on Mon Oct 29, 2018 7:40 am; edited 2 times in total
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kerabo

Posts : 2492
Join date : 2008-02-11
Age : 68
Location : Falcon 87..1936 Cruiser 39. Falcon 81 Green Lane bitsa. Sunbeam S8. Honda Deuville.

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Francis Barnett Powerbike

Post  FB vincent on Mon Oct 29, 2018 7:26 am

neddyo wrote:Hello all Francis Barnett people,
This is my first post so please be gentle with me.
I'm in the final stages of a complete restoration, all has gone without
much drama apart from trying to find the rubber bands for the girder
forks. Are these available anywhere, any help much appreciated.
Also is it possible to post images, if so how do I do this.
Best regards to all,
Nick Davies (in oz)


Nick,

We purchased suspension rubber bands from Mopedland, but they are really too strong for the Powerbike. Another source is http://www.speedwayserviceltd.co.uk/

Send me a PM containing your email address and I will send you lots of photos and details of the set up for the back pedal brake (plus anything else you need to know about your Powerbike)

Sandy

FB vincent

Posts : 666
Join date : 2009-01-20
Location : Hertfordshire

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Re: Powerbike back brake

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