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Author Topic: rear brake drum thread  (Read 3151 times)

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Offline JonathanJoy

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rear brake drum thread
« on: 05 Jun 2012 at 13:43 »
Hi, I m making my own rear brake drum from a redundant AJS drum.  I just need to know the thread pattern, that joins the hub to drum, it looks like whitworth profile to me, can anybody confirm this.

PS does the club spares scheme stock drums ?

regards Jonathan
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Offline JonathanJoy

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Re: rear brake drum thread
« Reply #1 on: 05 Jun 2012 at 14:04 »
Hi I've just been looking through the forums and detachable drums are splined !, does this mean I have not got a Douglas hub or did they do a screwed version on some models ??  :?
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Offline kmd

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Re: rear brake drum thread
« Reply #2 on: 05 Jun 2012 at 14:48 »
Hi Jonathan

No the club does not the drums.
There is a PDF file that Doug done on the heavy duty axles that will help you.
search:heavy duty axles

Regards
Kevin
« Last Edit: 05 Jun 2012 at 14:55 by kmd »
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Offline MRD

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Re: rear brake drum thread
« Reply #3 on: 05 Jun 2012 at 15:02 »
Jonathan
Kevin was unable to put the link in, so try this.

https://www.douglasmotorcycles.net/aa-files/documents/2010/heavy-duty-axles.pdf

Regards   Martin
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Offline JonathanJoy

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Re: rear brake drum thread
« Reply #4 on: 05 Jun 2012 at 20:39 »
Thanks for the info, very informative and detailed technical drawrings.

thanks again jonathan
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