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Old 03-11-13, 05:14 PM
  #226  
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bottom bracket
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Old 03-11-13, 05:14 PM
  #227  
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frameset
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Old 03-11-13, 05:16 PM
  #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
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Old 03-11-13, 05:19 PM
  #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.
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Old 03-11-13, 05:28 PM
  #230  
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head tube with logo of my workshop
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Old 03-11-13, 05:38 PM
  #231  
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Originally Posted by George Usov
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.
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Old 03-11-13, 06:09 PM
  #232  
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Originally Posted by Six jours
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)
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Old 03-12-13, 10:42 PM
  #233  
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Bikes: 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.
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Last edited by RabidFrameworks; 03-12-13 at 10:57 PM.
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Old 03-12-13, 10:56 PM
  #234  
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Bikes: Custom 29er SS, custom 26er SS, custom hill climber road, custom tri bike. All steel.

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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.

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Old 03-16-13, 10:11 AM
  #235  
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Very, very nice work George and Rabid, thanks for the posts.

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Old 04-10-13, 06:50 PM
  #236  
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Here 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.
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Old 04-12-13, 04:12 PM
  #237  
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Just finished new project - first try to make a frame with polished lugs.
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Old 04-15-13, 05:36 AM
  #238  
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WOW. nice work George
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Old 04-23-13, 12:13 AM
  #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.



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Old 04-29-13, 05:53 AM
  #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.
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Old 04-29-13, 11:32 PM
  #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:
https://build-its.blogspot.com/2013/04/zero-dollar-carbon-fiber-bicycle.html
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Old 04-30-13, 02:24 PM
  #242  
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Nice!

How's the ride?
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Old 04-30-13, 03:30 PM
  #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.
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Old 04-30-13, 04:50 PM
  #244  
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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.
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Old 04-30-13, 07:32 PM
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Somewhere out there is a crew team spinning helplessly in circles.
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Old 04-30-13, 07:53 PM
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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.
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Old 05-01-13, 09:49 PM
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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.
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Old 05-05-13, 04:51 AM
  #248  
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Originally Posted by 1930harley
Here 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.
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!
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Old 05-14-13, 01:55 PM
  #249  
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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!
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Old 05-25-13, 02:04 PM
  #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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