Chapter 5 Carbon Fiber Bike Build Video
Homemade Carbon Fiber TT Bike:
Weight: 3.1 lbs or 1400 grams
Cost: ~$160
Time spent: A lot! I lost track but well over 100 hrs
http://theprojectjunkie.com/bicycles-bike-components/homemade-carbon-fiber-bike-project.html
This bike was a fun project- now that it's over. I am not an engineer, just a regular guy that likes to build stuff. But I've got to say that the bike performs beautifully.
Yes, I cut the ...
Yes, I cut the steerer tube down after I? knew how long i wanted it- chapter 9 video. I still left about 10cm in case I wanted to change it in the future.
im a bike noob but, ...
im a bike noob but, y is the stem of the fork? so long? r u supposed to cut it down?
3k should be fine. ...
3k should be fine. As a rule I usually go off of the fabric's weight per yard/meter sq. So if I've got? a 6k, 12oz cloth I want to match; I would use two 3k 6oz layers to make it work.
I'm not an engineer so I may be wrong in my assumption. However, going off of weight makes the most sense to me- That is when figuring out how much CF to use when selecting a different tow size.
Someone correct me if I'm wrong.
Hey ... i just ...
Hey ... i just found a 3k Carbon fiber fabric here in? brasil... is that good for that job?
Sounds great! Bikes ...
Sounds great! Bikes are great projects to undertake so good luck with your endeavor.?
Dude...i just like ...
Dude...i just like to build stuff like u. and i like bycicles too...i will be in contact with you ...its really really interesting?
The spoiler project ...
The spoiler project sounds great. The cotton flox? creates a strong hard filler when added to the epoxy. If you just need a filler that's easy to work with, that doesn't have to be real strong, then glass balloons would be a better choice.
My vacuum is a Gast 5.5 cfm continuous run pump and pulls about 26" Hg. I've actually got the pump hooked up to a kit with an auto shut off switch and vacuum reservoir. You can get by with a lot less, but I like mine- Send me a PM for more details.
I'm looking at your ...
I'm looking at your site, first, I'm gonna try to do a? spoiler because I think is a easy project to get into the world of carbon fiber, I will send you some images, but i still have some doubts, the flox is just cotton with epoxy to give more firmness to epoxy to avoid this spill the edges, really?, and how many powerful is your vacuum pump, how many CFM's or? torr is.
The best ...
The best temperature for curing epoxy is relative to the epoxy used. I think that most hand-layup epoxies are recommended to be cured at 25 deg C. Some epoxies even have recommended post curing temperature and duration in order to get a stronger epoxy cure. Just check with the epoxy manufacturer's recommendations to get the best results.
For the EZ-Poxy I cured at around 25 deg C and then made sure it got up to? about 50 deg C for a few hours to ensure a good post cure.
It mostly is joined ...
It mostly is joined together with the resin used in the layup. Because the EZ-poxy (resin) takes 12 hrs to cure, I decided to used 5 min epoxy to "tack" everything together. Then I filled the joints with? flox and resin and then the carbon fiber reinforcement on top of that.
Why the frame ...
Why the frame cannot just be joined with the resine used to? do the carbon fiber tubes?.
How many celsius? ...
How many celsius? is the best temperature and the time.for curing the resine.
dayumm that's gonna ...
dayumm that's gonna be a nice? bike.
You'll have to ...
You'll have to watch the next video. The tubes were only tacked together with the 5 min epoxy. The tube joints were then filled with aircraft grade epoxy and a cotton-flox slurry/filler. Once the joints were filled and sanded smooth they got 3+ layers of carbon fiber reinforcement.
You're? right though, joining your tubes together with only 5min epoxy is not a good idea- At least the kind I used; there's probably some type of 5 min epoxy out there that would work though. lol
man using 5min ...
man using 5min epoxy? for joining all tubes is not so good idea, because its not so strenght like slow curing epoxy!
