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 Post subject: Sachs torpedo duomatic
PostPosted: Sun Apr 04, 2010 10:38 am 
Retro Guru
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Joined: Thu Jul 26, 2007 11:22 am
Posts: 351
Location: Sideways in Wellington, New Zealand
So i've just bought a job lot of hubs 2 unknown 3 speeds and 3 torpedo duomatics.

This could get expensive I want to learn to build wheels and am now considering a stand.

Any thoughts on what wheels to build with the duomatics.

How much strain does a hub brake arm put on a chainstay?


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 Post subject:
PostPosted: Mon Apr 05, 2010 5:03 am 
Retro Guru
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Joined: Thu Jul 26, 2007 11:22 am
Posts: 351
Location: Sideways in Wellington, New Zealand
A twist not with two unknown three speeds. 1 s23c sturmey archer three speed... and a two speed s2 sturmey archer from 1968. Now to investigate some more. Now I have four two speed hubs...


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PostPosted: Mon Apr 05, 2010 12:28 pm 
Dirt Disciple

Joined: Sat May 09, 2009 8:13 pm
Posts: 97
Just realised you are in NZ.
I was looking for a Duomatic but I am in the UK.

Good luck with the projects.


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 Post subject:
PostPosted: Tue Apr 06, 2010 9:15 am 
Old School Hero
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Joined: Sun May 11, 2008 12:30 am
Posts: 226
Location: Stockholm, SWEDEN
Check out http://hubstripping.wordpress.com/ if you haven't already. There's a page for the Duomatic with diagrams and service instructions.

The site has a wealth of information on a lot of other internal-gear hubs too.


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 Post subject:
PostPosted: Sun Apr 11, 2010 3:21 am 
Retro Guru
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Joined: Thu Jul 26, 2007 11:22 am
Posts: 351
Location: Sideways in Wellington, New Zealand
Cheers ragnar been to hub stripping already, it is a great resourcfe

At this stage I am not planning on selling any of them. The 1968 Sturmey Archer S2 will go in a 700c wheel for my Vitus single speed to add a gear with no clutter.

I'll probably build another 700c and a 26 inch MTB wheel with 2 torpedo's and the third will be salted away for a bit until I get another bike to put it on.

But first to build up a practice wheel with some spare parts I have to check I have the needful skills.


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