31st Annual Fall Trexlertown Bicycle Swap Meet
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messages for: English Roadster Discussions



ENGLISH ROADSTERS:   Dumb Dyno Hub questions posted by: Jeff Bikeguy on 10/28/2009 at 8:12:57 AM
I recently picked up a shiny new 1965 dated front DynoHub for my 65' DL-1. It is missing the axle nuts. Are these a standard size or some oddball Whitworth thread?
Also, my spoke calculator gives me a spoke length of 300 mm for the large flange and 310 mm for the small flange. (3 cross) How close am I with these assuming I'm using the original 28" Dunlop rim?
by: 75.147.73.37

  Replies:
          RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by Matthew on 10/28/2009 at 11:20:03 AM
Hi Jeff,

The threads will be British Standard Cycle Thread. I am not sure what size but what ever you do don't try Whitworth, metric, Unified fine or British Standard Fine threaded nuts because none of them will be of any use.

Matthew - picking up the thread.
by: 82.3.237.249

          RE:RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by Chris on 10/28/2009 at 12:38:07 PM
With some looking about you can find the Sturmey- Archer axle nuts for the dynohub this is the G.H.6. Sturmey- Archer dyno hub
by: 69.153.86.42

          RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by Warren on 10/28/2009 at 12:54:13 PM
The Raleigh spoke chart gives 12 1/10" and 11 11/16" for the 28" westwood rim and a X3 pattern. I make that out to be about 307mm and 297mm. I think we need a third opinion...anyone?
by: 24.215.86.83

          RE:RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by Chris on 10/28/2009 at 1:07:08 PM
we have a spoke chart here at oldroads that covers this under: raleigh rudge humber exploded diagrams see the spoke chart section

this information is found in the Sutherlands bike book at the bike shops well, the older copies anyways still need other opinions so, anybody else care to comment?
by: 69.153.86.42

          RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by David on 10/28/2009 at 1:19:40 PM
Be sure you're considering the right NUMBER of spokes!

I just checked a couple of old dynohubs and nuts from a Shimano 3-speed hub fit fine; 10mmx1 I think.
by: 216.15.114.27

          RE:RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by Chris on 10/28/2009 at 1:26:21 PM
Shimano nuts will fit an older Sturmey- Archer G.H.6.?

I never tried anything other than originals myself
by: 69.153.86.42

          RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by Jeff Bikeguy on 10/28/2009 at 2:16:01 PM
I have a 2002 Sutherland's book at home and never thought to check it. I spent a lot of money on that thing too...
It is a 32 hole rim and GH6 hub.
I found two nuts from a BMX axle that seem to fit fine. I don't want to try to torque them down without checking with the experts first.

Thanks for all the replies!
by: 75.147.73.37

          RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by Jeff Bikeguy on 10/28/2009 at 7:09:55 PM
OK, I dug the Sutherlands out of the vault and it lists a Dyno Hub axle as 3/8 x 26 TPI so the BMX nuts should work.


by: 71.173.166.48

          RE:RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by chris on 10/29/2009 at 6:31:34 PM
Still would stick to original nuts but do let uus know how it turns out
by: 69.153.86.42

          RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by Jeff Bikeguy on 11/11/2009 at 3:12:42 PM
The wheel is all built up and looks great. The BMX nuts worked fine.
by: 75.147.73.37

          RE:RE:RE:ENGLISH ROADSTERS:   Dumb Dyno Hub questionsposted by David Stipek on 2/5/2010 at 9:04:32 AM
I am looking for a Dyno Hub for project here in Thailand. Will trade whatever you want from here (within reason) as they are Impossible to find. and My Wife is eating up tires with bottle Dyno's on our poor quality roads. I have a 20V 10W two connection Sanyo Bottle Dyno that work fantastic on test table will trade...

Also a note: to stop flickering in High and low beam install capacitor accross power to ground in lamp. We have found Panasonic 6V and 12V screw in bulbs for flashlight that work great in our Miller Lights. and by tieing both to be lite in high beam you get a 25' wide by 500' projection. Also with Capacitor it has been 3 years since we fried a bulb. Have source for bulbs here also if interested.

davidstipek@msn.com
by: 124.121.34.7




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