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Date: 14 Sep 2007 22:53:36
From:
Subject: 1949 Schwinn Chain
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I have a friend trying to restore an old Schwinn Majestic and the
chain they're working with doesn't seem to fit. Did these something
unusual? Proprietary? Or is my friend just not doing something
right? I haven't had a chance to look at it myself.
Thanks,
alan.
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Date: 14 Sep 2007 22:36:11
From: A Muzi
Subject: Re: 1949 Schwinn Chain
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aburdette@gmail.com wrote:
> I have a friend trying to restore an old Schwinn Majestic and the
> chain they're working with doesn't seem to fit. Did these something
> unusual? Proprietary? Or is my friend just not doing something
> right? I haven't had a chance to look at it myself.
3/32" chain on a 1/8" ring?
1" x 3/16" chainring with 1/2" chain?
New chain on worn teeth?
Description is kinda vague...
--
Andrew Muzi
www.yellowjersey.org
Open every day since 1 April, 1971
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Date: 14 Sep 2007 17:26:46
From:
Subject: Re: 1949 Schwinn Chain
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On Fri, 14 Sep 2007 22:53:36 -0000, aburdette@gmail.com wrote:
>I have a friend trying to restore an old Schwinn Majestic and the
>chain they're working with doesn't seem to fit. Did these something
>unusual? Proprietary? Or is my friend just not doing something
>right? I haven't had a chance to look at it myself.
>
>Thanks,
>
>alan.
Dear Alan,
It's probably a bike with old-fashioned inch-pitch (skip-tooth)
sprockets and gears instead of modern half-inch pitch.
Here's a 1940 Schwinn Majestic with skip-tooth gearing:
http://www.nostalgic.net/pictures/2198.htm
I don't think that anyone makes skip-tooth chain any more, but maybe
there's a replica supplier.
Cheers,
Carl Fogel
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Date: 15 Sep 2007 07:58:28
From: richard
Subject: Re: 1949 Schwinn Chain
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I believe there is a company, Dianmond, that still makes them
carlfogel@comcast.net wrote:
> On Fri, 14 Sep 2007 22:53:36 -0000, aburdette@gmail.com wrote:
>
>> I have a friend trying to restore an old Schwinn Majestic and the
>> chain they're working with doesn't seem to fit. Did these something
>> unusual? Proprietary? Or is my friend just not doing something
>> right? I haven't had a chance to look at it myself.
>>
>> Thanks,
>>
>> alan.
>
> Dear Alan,
>
> It's probably a bike with old-fashioned inch-pitch (skip-tooth)
> sprockets and gears instead of modern half-inch pitch.
>
> Here's a 1940 Schwinn Majestic with skip-tooth gearing:
>
> http://www.nostalgic.net/pictures/2198.htm
>
> I don't think that anyone makes skip-tooth chain any more, but maybe
> there's a replica supplier.
>
> Cheers,
>
> Carl Fogel
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Date: 15 Sep 2007 11:58:08
From:
Subject: Re: 1949 Schwinn Chain
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On Sat, 15 Sep 2007 07:58:28 -0500, richard <rmcclary@insight.bb.com >
wrote:
>I believe there is a company, Dianmond, that still makes them.
Dear Richard,
Diamond makes inch-pitch chains (25.4 mm), but I don't think that
they're the 3/16" width (4.7625 mm) for bicycle inch-pitch:
http://www.diamondchain.co.uk/usr_doc/DC_products.pdf
But I could be mis-reading the tables around page 10.
Memory Lane Classics sells used inch-pitch Diamond bicycle chain, if
available:
http://www.memorylane-classics.com/Bike%20Parts/Bike%20Accessories%20Listing.htm
Here's a NOS pre-war 1" x 3/16" bike chain on eBay, buy it now for $50
plus shipping:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120161652253&ssPageName=MERCOSI_VI_ROSI_PR4_PCN_BIX&refitem=250165140267&itemcount=4&refwidgetloc=closed_view_item&refwidgettype=osi_widget
Cheers,
Carl Fogel
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Date: 15 Sep 2007 18:24:21
From: John Dacey
Subject: Re: 1949 Schwinn Chain
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"Vetera semper in laude, presentia in fastidio." - Tacitus
On Sat, 15 Sep 2007 11:58:08 -0600, carlfogel@comcast.net wrote:
>Diamond makes inch-pitch chains (25.4 mm), but I don't think that
>they're the 3/16" width (4.7625 mm) for bicycle inch-pitch:
>
> http://www.diamondchain.co.uk/usr_doc/DC_products.pdf
>
>But I could be mis-reading the tables around page 10.
I provided a local customer with a five foot length of Diamond
inch-pitch roller chain here earlier this week. It's for 3/16"
chainrings and sprockets.
-------------------------------
John Dacey
Business Cycles, Miami, Florida
Since 1983
Our catalog of track equipment: online since 1996
Phone: 305-273-4440
http://www.businesscycles.com
-------------------------------
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Date: 15 Sep 2007 17:00:39
From:
Subject: Re: 1949 Schwinn Chain
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On Sat, 15 Sep 2007 18:24:21 -0400, John Dacey
<jdacey@businesscycles.com > wrote:
>"Vetera semper in laude, presentia in fastidio." - Tacitus
>
>On Sat, 15 Sep 2007 11:58:08 -0600, carlfogel@comcast.net wrote:
>
>
>>Diamond makes inch-pitch chains (25.4 mm), but I don't think that
>>they're the 3/16" width (4.7625 mm) for bicycle inch-pitch:
>>
>> http://www.diamondchain.co.uk/usr_doc/DC_products.pdf
>>
>>But I could be mis-reading the tables around page 10.
>
>I provided a local customer with a five foot length of Diamond
>inch-pitch roller chain here earlier this week. It's for 3/16"
>chainrings and sprockets.
>-------------------------------
>John Dacey
>Business Cycles, Miami, Florida
>Since 1983
>Our catalog of track equipment: online since 1996
>Phone: 305-273-4440
>http://www.businesscycles.com
>-------------------------------
Dear John,
Sounds good--I must be misreading the pdf, or else it didn't cover
that chain.
With luck, you may get an order from the original poster's friend, if
the problem is indeed inch-pitch gearing.
Cheers,
Carl Fogel
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