Wheels Install a Sturmey Archer XL-FDD hub dynamo / drum brake myself

Discussion in 'Bicycle Repair' started by Dankoozy, Mar 21, 2013.

  1. Dankoozy

    Dankoozy Member

    Would I be a fool to try it? Wheel building looks hard. I'll have to order the damned thing which costs €80, and a few spokes and a couple of other things as well. Would I "never get the damned thing true"? How long does a complete n00b usually take to get it right?
     
    Last edited by a moderator: Dec 18, 2015

  2. wheelbender6

    wheelbender6 Well-Known Member

    Lacing a wheel is usually not recommended for novices. There should be a good shop in Cork that can lace it for you.
     
  3. chainmaker

    chainmaker Member

    Wheel building isn't that hard, until you get to motorcycle wheels. I'm sure you and most people can do it. I've got a great wheel building book on PDF. If you pm me your email I can send you a copy, take a read and decide if you are up to it.
     
  4. Lee_K

    Lee_K Member

    You should give it a try. I never got real good at it, but the ones i built all did the job. The advantage of the drum brake is that it will work with a bit more wobble than rim brakes. You need to plan for the right spoke length and cross pattern, since that hub is probably bigger than the one you are removing. Search for Sheldon Brown's wheel building web page and then for a spoke length calculator.
     
  5. birdmannn101

    birdmannn101 Member

    I bought the Archer XL-FDD hub dynamo brake hub and wanted to use the larger spokes off my Huffy wheels. After everyone saying they couldn't do it because they either didn't have a spoke cutter to cut the larger spokes, or just use the smaller spokes, or I can't order them already cut in that size... I finally found a bicycle shop that would order the spokes and lace the wheel for $90. If you don't mind the smaller spokes wearing down your new hub you might get it cheaper.

    Oh, by the way.. It says the output is 6 watts. I have already burned out 3 bulbs to the taillight. Guess I need a battery to regulate that voltage.

    Dan
     
  6. Dankoozy

    Dankoozy Member

    have you measured the output with a multimeter at different wheel speeds? would be interested in that as I was going to charge a few supercapacitors off it and possibly get a 5V regulated output for charging a phone, throw together a switching regulator circuit or something
     
  7. Samdallas214

    Samdallas214 Member

    that what I say I tried it once and found it easier and cheaper in the long run to take it to a bike shop
     
  8. birdmannn101

    birdmannn101 Member

    I took mine to one guy who took the wheel to 3 other bike shops who bent the spokes and said they couldn't lace the hub in the wheel. I wonder how those motorcycle wheel men manage to re-lace motorcycle wheels.

    Dankoozt, I haven't measured the output with a multimeter at different wheel speeds or thought up a fix for the dynamo hub problem. If you come up with one I might follow your lead.
     
  9. Lee_K

    Lee_K Member

    I bought that same hub about 6 weeks ago and just ordered the spokes that I hope will work with my rim. When I get the spokes I will post info on the rim diameter spoke length and cross pattern. I can take a few photos to show how I it comes together. It should be early next week.
     
  10. Lee_K

    Lee_K Member

    I bought this hub for a build that only has a rear coaster brake, at this time I do not intend to use the dyno. It did not cost much more for the dyno version over the standard version, so I thought I would get it just to have a look. Any way I took it apart and have not got the dyno back together yet. But someday I might try doing something with the dyno.

    Here's a link with good info, I do not fully understand it, maybe it will give you some ideas.

    http://www.motoredbikes.com/showthread.php?38939-Sturmey-Archer-Dynahub
     
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