The bicycle thread - Page 4
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  1. #76
    Join Date
    Apr 2012
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    Quezon City, Philippines, Philippines
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    834

    Re: The bicycle thread

    this is what become on my old bike..better than bury it in storage
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  2. #77
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    Dec 2009
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    Sutton, MA
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    701

    Re: The bicycle thread


  3. #78
    Join Date
    Jan 2006
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    Inkster, Mi
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    676

    Re: The bicycle thread

    Very nice I had to wipe my drool looking at those welds.
    Will Supports Autism Awareness
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  4. #79
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    Dec 2009
    Location
    Sutton, MA
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    701

    Re: The bicycle thread

    Thanks, guys!

  5. #80
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    Nov 2010
    Location
    NH
    Posts
    1,685

    Re: The bicycle thread

    Very nice work Zank!
    Buy American, or don't whine when you end up on the bread line.

  6. #81
    Join Date
    Dec 2009
    Location
    Sutton, MA
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    701

    Re: The bicycle thread


  7. #82
    Join Date
    Aug 2011
    Location
    england
    Posts
    235

    Re: The bicycle thread

    few pics of projects me and kids have done.
    first are of frame me and my 5yr old boy are building. frame is made from old blowpin shafts from machine we refurbed at work.
    he even did some of welding with daddy holding his hand.
    hoping to fnish it this week during my 4 days off.
    its upside down in pic is frame as jst been painted.
    second is chopper my eldest boy is building himself, dads just helping with holding things in place while he tacks them. forks were extended using landrover steering tubes.
    third is trike for my eldest girl to take her gear when she goes kick boxing.
    fourth is recumbant trike i built for me then stripped to use bits on daughters.
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  8. #83
    Join Date
    Jun 2012
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    67

    Re: The bicycle thread

    Awesome bikes!!

  9. #84
    Join Date
    Oct 2012
    Location
    East Van BC
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    1,110

    Re: The bicycle thread

    linkage is interesting
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  10. #85
    Join Date
    Oct 2010
    Location
    western kentucky
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    4,416

    Re: The bicycle thread

    My recently purchased bikes nothing like what your making, but still fairly nice bikes.

    1983 Nishiki Custom Sport (chromoly lugged)
    2011 Fuji Crosstown 1.0 (aluminum)
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  11. #86
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    Oct 2012
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    404

    Re: The bicycle thread

    Brazin, what the heck have you got going on there?

  12. #87
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    May 2013
    Location
    Los Angeles, CA
    Posts
    100

    Re: The bicycle thread

    Zank, what are you using to clean the flux up after?

  13. #88
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    Dec 2009
    Location
    Sutton, MA
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    701

    Re: The bicycle thread

    I have a soak tub with a water heater. The water has some OX-OUT 532 added to keep the steel from flash rusting after soaking. I change out the water every 30 or 40 bikes. Works great. I heat up the water to about 150F, and that takes care of silver or bronze flux pretty quickly.
    http://www.chemclean.com/metal_cleaners_bike.htm#532

  14. #89
    Join Date
    Nov 2011
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    295

    Re: The bicycle thread

    Shameless cross post, but i thought you would like these, guys.




    Motorboating...in the Cleavage of the Tetons

  15. #90
    Join Date
    Oct 2012
    Location
    East Van BC
    Posts
    1,110

    Re: The bicycle thread

    Quote Originally Posted by Crabo View Post
    Brazin, what the heck have you got going on there?
    Ha, well it's a "Long John" I made out of a mountain bike and some .035" wall square tubing, the rib cage is recycled slat wall clothing display bars, oh and an upside down ladies bike added to the rear section to provide the steering. V-brakes and 16 speeds, all for about $20. gave it to a family, dad rides the two kids and a sax around in a box he put on it.
    SqWave 200
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  16. #91
    Join Date
    Mar 2010
    Location
    Victoria, BC
    Posts
    2,096

    Re: The bicycle thread

    OK, Rideit, I gotta ask where you found those clock mech's? All we've found around here is those wimpy "AA" powered ones and they certainly wouldn't keep time adding anything "heavy" like a spoke nipple attached to them. We'd like to make our own hands but just can't find the mech's to take heavier arms.
    Thanks very much in advance!!!!!!!!

    Quote Originally Posted by rideit View Post
    Shameless cross post, but i thought you would like these, guys.




    200amp Air Liquide MIG, Hypertherm Plasma, Harris torches, Optrel helmet, Makita angle grinders, Pre-China Delta chop saw and belt sander, Miller leathers, shop made jigs etc, North- welders backpack.

  17. #92
    Join Date
    Mar 2007
    Location
    MidWest
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    408

    Re: The bicycle thread

    I would be interested in how you align the front and back axles. I assume some type of jig. Reason I ask is a friend and me are considering converting an Worksman bike with an antique motor in hopes of achieving an antique "look-alike" early 1900s motorcycle...something like you find in antique motorcycle mag. BTW, nice TIG welds
    Geezer
    Power Mig 255C
    185 TIG
    Blue 175 MIG
    Ranger 8 Kohler 20HP
    1974 5K Lincoln/Wisconsin Powered (Cherry)
    Victor/Harris O/A
    K 487 Spool Gun

  18. #93
    Join Date
    Nov 2011
    Posts
    295

    Re: The bicycle thread

    Bert, order the 'hi torque' versions from clockit.com, they will handle those loads easily. Keep in mind, those are aluminum nipples, cut in 1/2. Weighs virtually nothing.
    Motorboating...in the Cleavage of the Tetons

  19. #94
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    Mar 2010
    Location
    Victoria, BC
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    2,096

    Re: The bicycle thread

    Quote Originally Posted by rideit View Post
    Bert, order the 'hi torque' versions from clockit.com, they will handle those loads easily. Keep in mind, those are aluminum nipples, cut in 1/2. Weighs virtually nothing.
    Thanks, I'll check them out.

    edit: ah, it's "klockit".......
    Last edited by bert the welder; 07-07-2013 at 08:19 PM.
    200amp Air Liquide MIG, Hypertherm Plasma, Harris torches, Optrel helmet, Makita angle grinders, Pre-China Delta chop saw and belt sander, Miller leathers, shop made jigs etc, North- welders backpack.

  20. #95
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    Dec 2009
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    Sutton, MA
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    701

    Re: The bicycle thread


  21. #96
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    Jan 2013
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    ...Shoulder of Orion...
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    3,517

    Re: The bicycle thread

    Ok. Fell into the entire thread today like a black hole. F'n amazing bikes and talent! You guys have sparked interest in a`bike build and cycle-themed art proejetc. Keep 'em roll'n!

    I'm in big trouble. Need to get off WW and go burn some. Shaka!
    "Discovery is to see what everybody else has seen, and to think what nobody else has thought" - Albert Szent-Gyorgyi

  22. #97
    Join Date
    Sep 2010
    Location
    southwest VA
    Posts
    637

    Re: The bicycle thread

    Haven't built any from scratch, but have saved a couple from the scrap pile:

    My brother gave me a Trek 7000 aluminum frame back in '09 that had the rear derailleur hanger busted. I didn't have a TIG capable of doing aluminum back then, so I had a former co-worker's brother weld it for me. A little filing and helicoiling and it was back in business. I ended up stripping off all the paint/powdercoat (probably powdercoat - it was a real PITA to blast off). Built it back into a complete bike and been riding it bare since then. I may powdercoat it some day...

    My little one's first bike was a dumpster find (missing one of the training wheels). I made a new training wheel out of nylon and powdercoated the training wheel arms and chain guard in Eastwood Rally Wheel Charcoal (they were the kind of dinged up / rusty). Got some good use out of it and was getting ready to coat the fork and bars, but ended up buying a bigger bike as a birthday present. Got another on the way, so I'll have to finish it up by the time they're big enough to ride. Will probably do the fork and bars in the same charcoal color and was thinking off-white for the frame (I have a powder called candlestick) for a two-tone look. If I get ambitious, I might cast up some matching aluminum training wheels.
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  23. #98
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    Sep 2010
    Location
    southwest VA
    Posts
    637

    Re: The bicycle thread

    Here's a pic of the hanger before repair.
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  24. #99
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    Mar 2013
    Location
    Maui, HI
    Posts
    92

    Re: The bicycle thread

    Ok so maybe this question is answered some where here in this thread but my adhd wont let me read everything in one sitting(or even three or four sittings). What is the reason for soldering bike fittings instead of welding? Is it as strong or stronger? Or is it faster and cheaper? How do you guy design your bikes is there formulas for figuring out the size to make?
    2 invision 456 mp, 456 pheonix, 3 hypertherm 1250, Hypertherm 45,
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  25. #100
    Join Date
    Sep 2010
    Location
    southwest VA
    Posts
    637

    Re: The bicycle thread

    Some of the builders can probably speak from first-hand knowledge, but I found the following:

    http://www.rivbike.com/kb_results.asp?ID=32

    http://davesbikeblog.squarespace.com...s-welding.html

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