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#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.
#232
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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)
#233
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Location: Boulder, CO
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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.
Last edited by RabidFrameworks; 03-12-13 at 10:57 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.
#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.
Last edited by 1930harley; 04-10-13 at 07:22 PM. Reason: add picture
#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.
Last edited by oreste76; 04-24-13 at 08:29 PM.
#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.
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.
#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
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
#242
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Nice!
How's the ride?
How's the ride?
#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.
#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.
#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.
I built a bamboo bike with carbon lugs a few years ago (link). That's my only other experience working with CF.
#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.
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.
#248
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Bikes: Custom 650B tandem by Bob Brown, 650B tandem converted from Santana Arriva, Santana Noventa, Boulder Bicycle 700C, Gunnar Sport
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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.
#249
Cult Classic Cycling Club
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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!
#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.
Scott.