I Built a 3D Printed Carbon Fiber Bicycle!
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- Опубликовано: 24 окт 2021
- Download Solidworks CAD files here - thangs.com/designbydave/DBS-3...
Google Drive Folder with all documents - drive.google.com/drive/folder...
Watch the complete build playlist - • 3D Printed Carbon Fibe...
#framebuilder
#3DPrinting
#Carbonfiber
3DXTech CarbonX Material - hwww.3dxtech.com/product/carbo...
Lemond Prolog Bike - lemond.com/prolog
Follow me on Instagram for more - / designbydave_aldrich 
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David, this is beyond cool. It's totally freaking awesome. Thanks for the video.
Glad you liked it!
I would love to get the files. Please consider getting sponsors with carbon tube manufactures and put their links also. It will be like carbon frame bike DIY set.
ruclips.net/video/baJIxkLU98w/видео.html
Nice to see it finished!
Thanks, yeah I'm pretty stoked how it came out.
Will definintely love a followup after some three or four digit milestones are reached.
Great job!
Just hit 100 miles today. Going great!
Wow, what a cool project! I'm thinking to do something similar myself one day
Go for it!
Just loved the project. I would give it a try if the files where public. And you just won a new subscriber. Thanks a lot for the good content.
Thanks for the sub! The files are indeed public - thangs.com/designer/designbydave/3d-model/DBS%203D%20Printed%20Carbon%20Fiber%20Bicycle%20Frame-40231
Surely this deserves more views
Thanks so much! Well, you can help with that, Like/subscribe/comment/share, you know, all that stuff youtube creators are constantly bugging you about 😅
Thanks for posting the files. I liked and subscribed solely to say thank you for ur hard work. 😅
Thanks so much! Hoping to work on more of this type stuff in the future.
@@designbydave ill look out for it. thanks
Awesome work 🔥🔥🔥
Thanks 🔥
You madman. You actually did it. Looks great man. Now build one that us tree types can ride.
Oddly enough I’m here after watching your video on how to do an HDR composition in pixinsight. Cool project, the bike turned out awesome.
Ha, yeah my interests tend to swing from one direction to another. Thanks for checking it out and hope that tutorial was helpful (and still relevant)
That's really cool! I think this idea has a lot of potential
I've been thinking of building a bike frame myself; the method to 3d-print the connections is a brilliant idea. Do you think it would be possible to further make the with carbon fiber tube and 3d-printed parts, such as the fork and handle bar?
I was also wandering about how much the total cost of the frame was, for the carbon fiber tubes along with the carbon fiber filament?
Thanks for checking it out. Anything is possible, but I think to print the tubes, fork and handlebar, and to make them strong enough would be prohibitively heavy/bulky/clunky. Plus, why re-invent the wheel when those components are readily available and cheap.
Cost brakedown towards the end of the video. Some of the tubes I already had, so the cost of those are not factored in. If I had to source them it would be an additional $150 or so.
Amazing
Incredible project! Can't believe this video doesn't have a lot more views. Major respect for seeing it through and making the design public!
Thanks for checking it out
wow alot of effort, much appreciated very cool video. wish we knew the weight per part compared to aluminum and overall.
Hi ! I have watched all of your 3d print bicycle videos. As i understand you get carbon body pipes readily from somewhere (It should be hard to print them in that size and in that hardness with printer) but you printed joint sections with your Ender 6 by using carbon fiber additive filament. An idea, maybe you can build your own body shape with 6061 aluminum (You can manufacture it in industry with your own mould designed in Solid Works which would be hard for a one for carbon body) and samely joint parts from carbon fiber filament. As i'm mechanical engineer, i also deal with designing bicycles in Solid Works but haven't manufacture them yet. Maybe one day i gonna try. Your videos are shared in biggest Bicycle Forum in Turkey and we watched. Very nice job anyhow. Greetings from Turkey...
Thanks for checking it out. Yes you could use aluminum for the tubes but that might require a bit different design of the lugs and/or different tube dimensions then the carbon tubes used
I like the concept. If i had the time and money i would... :D
Thanks! Yeah, unfortunately this is not a cheap DIY type project.
Very impressive congratulations 🥳
Let’s make it public ❗️❗️❗️😊
Wow what an amazing work. Will it be possible to have the stl files and everything we need to built it ourself ?
I'm considering that
I love it 😮
Thanks for checking it out!
Awesome
Thank you!
You're welcome!
Dude 🤯. Awesome. Is there a way of changing the lug size and dimensions to make a gravel bike. Wouldn't changing some of the angles on the lugs help in allowing for size differences? Also wouldn't it help to use lugs printed in carbon but then wrapped with the stuff used for making bamboo bikes (use less 3d print material and more of the carbon wrap stuff)?
It could be converted to a gravel bike, with the main change needing to be converting it to disc brake.
The angles that the tubes meet the lugs depends on the frame size, so all of the parts would need to be re-designed from scratch to make different size frames. These are changes that I may get around to working on depending on other projects.
I'm not sure if wrapping the lugs with additional composite materials would make any difference or be necessary. So far (over 100 total miles) and the parts are holding up just fine as is. Structural load and fatigue testing would be required to determine if additional reinforcement is necessary.
excelent keep it going
Thanks
@@designbydave same to all the v best munich germany
Brushless inrunner motors have rotors usually winded in a couple of layers of carbonfiber. That´s so, that the glue-stuck magnets don´t detach under the centrifugal forces... You could make the lugs 1cm longer (where the holes for the carbon-tubes are), put epoxy on the prolongment, and then wind carbonfiber around it. It would stiffen the 3D-prints exactly where the highest lever-forces are applied, and so, get a higher longevity...
I'm highly skeptical that there is any carbon fiber in an electric motor. Wrapping the lugs with additional composite material is unnecessary as the material IS the extra reinforcement.
Hi David, great video. Just wandering what the glue is that you used to bond the tubes into the lugs is. Cheers Marty.
3M DP420
You must be feeling so good riding it😂❤
Thanks. Yes it's a lot of fun to ride and very satisfying!
I love it! What's the tolerances one this project to keep in mind? How did you find a seattube with the appropriate inside diameter for the seatpost? And could a tube with 25mm outside diameter be inserted in a tube with a 25mm inside diameter? We would be interested in the plans, I would like to build one just like this, thanks for the ideas!
Most tolerances are quite loose because the nature of 3D printing and material shrinkage means you can't hold very tight tolerances anyway. There is a lot of "slop" in the assembly but that is good because you want some room for the epoxy. Can't have a press fit or the epoxy will get squeezed out. The precise alignment comes from the assembly jig.
Sorry, I didn't cover the seat post. I ended up having to add thickness to the seat post in order to get a proper fit. I purchased a tube that was close in ID, but ended up not being close enough. So I 3D printed some spacer sleeves with a 0.3mm nozzle and glued them to the seat post to make up the thickness. Seems to have worked great. Normally the seat tube ID is undersized and then reamed to fit. That would be difficult (impossible?) to accomplish with a carbon tube.
Sleeving tubing can get tricky. No, you will not be able to sleeve an OD 25mm tube with an ID 25mm tube. That is, if those are the actual dimensions. Often times with tubing the stated size is a nominal size, but the ID or OD will be over or under just enough to allow for sleeving. This probably isn't going to be the case with most carbon tubing unless
the tube sized were specifically made with sleeving in mind.
I just started work on a version 1.0 of this design intended for open source public release. Changes include: incorporate standard tubing sizes, tweaks to lugs to make them stronger and add a bit of stiffness, re-designed head tube, and eventually different size frames.
ruclips.net/video/baJIxkLU98w/видео.html
Would you be able to share what printer you used and modifications needed to get the high temperature print to work?
Check my channel. I have a video specifically about this.
perfect project .. what is the wall thickness of CF tubes ?
Most of the tubes are 1mm, but some are 1.5mm
I wonder how long that bicycle printed
Serious sound problems. Video goes silent sometimes and audio quality dips at times. Is that on my end?
Check the channel for audio corrected version
@9:23 Looks like there's a crack at the dropout/tube seatstay connection
Good eye. There is but that was from repeated assembly, disassembly, test fits etc. It's held together with the epoxy and shouldn't be a structural issue at that location.
Everyting ok but are key strogn because you didnt conect with pipe fiber good.?
No sound?
Also... In your BOM, you don't seem to list the cost of the carbon tubes themselves?
Pretty sure where it's silent is because I muted background music due to false copyright claims.
How’s the bike holding up? And did you ever decide to go open source?
The bike is great thanks! I did go open source and built a second version. Check my channel for videos on that.
I'm curious, how much doe the bike weigh? (great vid btw)
19 lbs. Could loose a pound or two by using expensive and light weight components but it's not really necessary for a bike like this.
nice job. what are the tube Ø?
Thanks so much. The tubes are table rolled carbon fiber
Why not a recumbent bike version? :D
That's a great idea actually.
Great design but why not printing molds for making it full Carbon ?
Because that was not the scope of the project. The design intent was to build a bike frame where the only major tool required is a 3D printer. To make molds and composite parts would require significantly more design in the molds themselves as well as requiring a shop to handle and process the composite materials.
You shoud make holes for cables.
Yes, totally. Internally routed cables would be great. Perhaps a feature for the V2 if that ever happens
is this frame durable enough for a motorized engine? (like the ones off of amazon)
Not sure but I wouldn't be too excited about that. The extra weight of a motor and battery would add quite a bit of load. I would build it a bit "beefier" were I planning to add a motor.
Fun project, to be frank the video editing could be better in the fast forward parts you should use a small background song like from the RUclips library, it makes it nicer to watch than just silence...😅😅
Good idea!
anyone else have the audio cutt off at 3:03 for them?
RUclips muting music because of false copyright claim
Great idea, Great concept and a great video in general, except for the huge dips in sound (probably a copyright issue i presume) which made the whole video almost unwatchable. actualy switched off at 8:50.
Yes copyright issues
Where did you purchase your carbon fiber tubes? And what diameter are they?
Most of the tubes I already had, but you can find tubes on ebay (actually a great source.) They vary in diameter from about 0.5 inch to 2 inch
@@designbydave thank you! What weave pattern were they? Looks REALLY good! I’d love to implement a similar design strategy for a road bike!
@@TimeBlindRi Some are twill and some are 1x1. Twill typically has that more "carbon fiber-y" look and that's my usual preference.
@@designbydave thank you for the clarity!
There was a site were you uploaded everything were is it gone?
I updated the description of this video with the various links
What handlebar is that?
Just something cheap and cool looking I found on eBay.
why not give a fiber glass finish and good paint job makes it flashy
What ended up being the weight of the frame?
I think it was something like 1200-1500 grams
Good good
And your printer is?
Modified ender6
Yes, Ender-6 as you have found - ruclips.net/video/pIm2zar_TQ4/видео.html
@@designbydave thanks mate im from latinamerica so my English is not very good.
Throw it up on thingiverse, boiii!
Soon. Working on revising the design. Check back in a few days.
@@designbydave awesome! Will do! Been thinking about this for a while and… well you saved me about 200hrs of cad and lay up work my man (BTW I’m 5’10”)😂
But in all seriousness, thank you! Keep up the awesome work!
@@DerekMantei you'll likely need a medium size, so this one will be too small for you. Next step after finalizing and releasing the small will be to do a medium and large. I think that's probably going to require basically a complete redesign from scratch for each though.
What about weight?
Frame about 2.6 lbs, total bike 19 lbs
How heavy is it?
19 pounds
@@designbydave Yo already have 1 sub more but thank you for answering. Have you considered using any Innegra composite for future proyects?
PD: Nice and usefull channel bro :)
What is the weight of the frame?
~1700 grams
@@designbydave Thanks
3m Dp420?
Yes
@@designbydave perfect I just ordered the ns (non sag) 420 for a rear dropout minor repair
How i teacher this for a children of 5?
I don't think a project like this would be suitable to children of that age.
Audio keeps on coming in and out
Due to false copyright flag. Check description for fixed version.
@@designbydave thank you for responding
Audio is baad
yikes
😱
NOT WORTH IT.
Yes it was