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  1. #226
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    bottom bracket 4.jpg

  2. #227
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    frameset 5.jpg

  3. #228
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    custom made hubs. I\ve made it on cnc from al 7005 this hubs have 28 holes to match italian old school Nisi tubular rims 1.jpg2.jpg

  4. #229
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    So , that's it. you all can be critical to this project - it's my first frame ever and it is far, so far from perfection. I've just purchased a tubeset from ceeway.com and try to do my best at the moment (it was june of 2012). Now I' m working on another project.

  5. #230
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    head tube with logo of my 734337_434910173257872_473711856_n.jpgworkshop

  6. #231
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    Quote Originally Posted by George Usov View Post
    So , that's it. you all can be critical to this project - it's my first frame ever and it is far, so far from perfection. I've just purchased a tubeset from ceeway.com and try to do my best at the moment (it was june of 2012). Now I' m working on another project.
    No criticism from me. That's the most ambitious "first build" I've ever seen and my hat is off to you for doing it as well as you did.

  7. #232
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    Quote Originally Posted by Six jours View Post
    No criticism from me. That's the most ambitious "first build" I've ever seen and my hat is off to you for doing it as well as you did.
    thanks, it was spontaneous decision - to make my own frame for a framebuilding contest. it was 12 18-hour working days in a row to make it frame to the contest.I sleeped in my workshop and left 6 kilos )) but, I think it was truly challenging)

  8. #233
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    Custom 29er SS, custom 26er SS, custom hill climber road, custom tri bike. All steel.
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    My second build: Steel 29er with Paragon sliders, fillet joinery. Textured black powder over OXPlat tubing.
    photo1.jpgphoto3.jpgphoto.jpgphoto2.jpg
    Last edited by RabidFrameworks; 03-12-13 at 11:57 PM.
    Rabid Frameworks

  9. #234
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    And my first build, a wicked stiff hill climber single speed built with MTB fork blades for chain stays. Comes in a bit over 4 lbs (frame) but as a bike comes in a bit over 15lbs with Zipp's and Whisky carbon fork.

    photo.jpgphoto.jpgphoto.jpgphoto.jpg
    Rabid Frameworks

  10. #235
    Senior Member calstar's Avatar
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    Very, very nice work George and Rabid, thanks for the posts.

    brian
    "The older I get the better I was" (from Old Guys Rule t-shirt)

  11. #236
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    IMG_20130403_191900_024.jpgHere is my first bike build. My wife wanted a tandem to ride with our daughter on some women only rides. The combined weight of the team is just over 200lbs so this 6lb frame built up to 27lb tandem should work well. This is steel columbus life tubing I tig welded. I moved the connecting chain to the right side so that I could use a normal crank set. I also tried out the air brush for the first time. Second tandem will fix a couple of the things I missed on this one. 2013-03-15 tandem girls.jpg
    Last edited by 1930harley; 04-10-13 at 08:22 PM. Reason: add picture

  12. #237
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    Just finished new project - first try to make a frame with polished lugs.5hsUkdr4awI.jpg544576_438553702893519_961709343_n.jpg555997_450640251689278_116780760_n.jpg

  13. #238
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    WOW. nice work George

  14. #239
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    Python Lowracer - PVC Pipe & Duct Tape

    Thought I would share my bike. Every time I ride this I get looks and questions about it. This project was a great success, PVC pipe and duct tape have so much potential as framework for a recumbent or velomobile.

    python_lowracer_-_pvc_pipe_and_duct_tape.jpg Python Lowracer - PVC Pipe and Duct Tape-2.jpg

    Last edited by oreste76; 04-24-13 at 09:29 PM.

  15. #240
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    Oreste!
    thats quite some truss-work you have there. How did you make the curved tubing, with heat? Makes me wonder if i can make a seat outta PVC for my rather ordinary steel 'bent.

  16. #241
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    I recently finished a carbon frame. I took the geometry more or less from the current 58 cm Trek Madone.

    Interesting bits:
    The tubes in the main triangle came from a high-end oar (as in for rowing), that I found lying around at school.
    Total budget for the project: Zero dollars. I was able to scrounge all the carbon cloth, epoxy, vacuum bagging equipment, and bike components from various places around campus. Everything I couldn't find, I machined myself (stem/top headset, BB shell, brake bolts, seatpost clamp, dropouts). Not a single penny was spent.



    For reference, here's the oar I started with:



    More details on my website:
    http://build-its.blogspot.com/2013/04/zero-dollar-carbon-fiber-bicycle.html

  17. #242
    Old fart JohnDThompson's Avatar
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    Nice!

    How's the ride?

  18. #243
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    It rides great! It's by no means weight-weenie material, but it is significantly lighter than anything else I've ridden. It also fits me much better than my other bikes. The frame feels plenty stiff. I definitely overbuilt the back end, especially the seatstays.

  19. #244
    Cisalpinist Italuminium's Avatar
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    Wow, fun stuff. Did you have experience working with carbon prior to this project? The boat house is definitely the place to be for carbon maniacs. What's the wall thickness on these oars? From my limited experience I guess they're slightly fatter than your average bike tube.
    Pass the Dutchie on the non-drive side.
    Rather a 100$ bike with 1000$ wheels than a 1000$ bike with 100$ wheels.

  20. #245
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    Somewhere out there is a crew team spinning helplessly in circles.

  21. #246
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    The thickness averaged probably between 1/16" and 1/8". The insides of the tubes were circular, but the outsides were slightly elliptical, so the thickness was not quite uniform around the tube.

    I built a bamboo bike with carbon lugs a few years ago (link). That's my only other experience working with CF.

  22. #247
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    Hey bikecop,

    Location earth, funny. I bent the pipes over my gas stove. So yes, heat. If you do a Youtube search youll find a lot of stuff about bending PVC pipe with heat. Its pretty easy. This bike rides good but still learning the whole python thing. I wish I could find a way to protect/preserve the duct tape on this thing, its gettin a little worn from riding. I mean crashing, lol. Good luck on ur seat.

  23. #248
    Senior Member waynesulak's Avatar
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    650B tandem converted from Santana Arriva, Santana Noventa, Boulder Bicycle 700C, Gunnar Sport, Trek TX700,
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    Quote Originally Posted by 1930harley View Post
    IMG_20130403_191900_024.jpgHere is my first bike build. My wife wanted a tandem to ride with our daughter on some women only rides. The combined weight of the team is just over 200lbs so this 6lb frame built up to 27lb tandem should work well. This is steel columbus life tubing I tig welded. I moved the connecting chain to the right side so that I could use a normal crank set. I also tried out the air brush for the first time. Second tandem will fix a couple of the things I missed on this one. 2013-03-15 tandem girls.jpg
    I spend most of my Forum time in the tandem forum and would like to say that looks like a nice bike. I look forward to seeing your next project!

  24. #249
    Cult Classic Cycling Club just dank's Avatar
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    I am a Journeyman Ironworker with my all position welding ticket, now an injured one looking at building a frame in my now new spare time. All of the builds posted look awesome!
    http://www.strava.com/athletes/justdank Strava
    http://www.pedalroom.com/members/just_dank PedalRoom

  25. #250
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    My first Frame, FINALLY!! Been dragging arse for about 3yrs off and on. Straight gauge .035" 4130 tubing, 25.4 TT, 28.6 DT ST all TIG welded, homemade dropouts. Went with a wishbone style for the seat stays. Nothing fancy but man she rides straight and true. I had a smile from ear to ear for the short 10 mile test ride!

    Scott.


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