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Author Topic: Narrow gauge Hub dynamos?  (Read 1049 times)

Pedaldog.

  • Heedlessly impulsive, reckless, rash.
  • The Madcap!
Narrow gauge Hub dynamos?
« on: 12 October, 2008, 09:56:51 pm »
Do I and I recall seeing that either S.O.N. or somebody else had done a hub dynamo that was narrow enough to fit a Brompton front wheel?
Not sure if I am right or misheard but does anybody have information on owt?
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border-rider

Re: Narrow gauge Hub dynamos?
« Reply #1 on: 12 October, 2008, 09:59:19 pm »
Yes

Schmidt do a Brompton width one

Schmidt SONXS Dynamo Front hub for Brompton 73mm O

Other shops are available :)
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rogerzilla

  • When n+1 gets out of hand
Re: Narrow gauge Hub dynamos?
« Reply #2 on: 13 October, 2008, 08:40:48 am »
Just like a SON...but smaller.

It takes the same spoke lengths as any modern Brompton, and should be built x2 non-interlaced.
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iakobski

Re: Narrow gauge Hub dynamos?
« Reply #3 on: 13 October, 2008, 09:11:33 am »
Note that it's not just smaller, it's designed for the higher revs of small wheels.
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LittleWheelsandBig

  • Whimsy Rider
Re: Narrow gauge Hub dynamos?
« Reply #4 on: 13 October, 2008, 09:15:43 am »
Dahon do a Joule hub dynamo, narrow enough to fit a Brompton.  Reports are that it works well, is quite cheap but may have a weird number of spokes (22 from memory?).
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Pedaldog.

  • Heedlessly impulsive, reckless, rash.
  • The Madcap!
Re: Narrow gauge Hub dynamos?
« Reply #5 on: 13 October, 2008, 08:16:30 pm »
If I went for it I would ask Uncle Ben at Kinetics ti build me a wheel round it. Trouble is, as always, the cost!
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