Thehiphopsolidier Posted February 1, 2013 Report Share Posted February 1, 2013 Hey, so I'm doing to do some composite brake discs and know that there are more people who have done their own brake discs Composite matrial. What I wonder about is how they worked, good / bad. Will make a few with different matrial and different braking surfaces. Moisture on the disc is a problem and thought that different braking surfaces can help without having to drill / cut holes in the disc (carbon fiber with aluminum grains mixed in. ..) Can anyone think of more different matrial to mix in the braking surface? I have thought of, micro glass balloons, aluminum, steel, ceramic, Kevlar ... Figured run some prototypes and test how good they are, but do you have any idea of something better, then you can comment. Thank you for your help. Quote Link to comment Share on other sites More sharing options...
N.Wood Posted February 1, 2013 Report Share Posted February 1, 2013 Tarty Adam ran a carbon rotor at some point, there is a video of it out there somewhere. He may be able to help. Quote Link to comment Share on other sites More sharing options...
AdamR28 Posted February 1, 2013 Report Share Posted February 1, 2013 I just use a sheet of really cheap carbon, cut it with an angle grinder, worked well but was LOUD and started cracking around the rotor bolts. Quote Link to comment Share on other sites More sharing options...
Thehiphopsolidier Posted February 1, 2013 Author Report Share Posted February 1, 2013 I've seen the video and heard that it was very loud and it's what I want to get away with something on the braking surface that provides good grip and hold. Think it's the epoxy that creates the crisp sound, I will have a rotor with less than 35% Epoxy (standard) and maybe some custom brake pads. Want some good brake discs for my top secret carbon fiber frame. :wink2: Quote Link to comment Share on other sites More sharing options...
FamilyBiker Posted February 1, 2013 Report Share Posted February 1, 2013 isnt secret anymore now, obviously :wink2: Quote Link to comment Share on other sites More sharing options...
dezmtber Posted February 1, 2013 Report Share Posted February 1, 2013 I think bonding a metal brace in the bolt on area will help them last. Hope do those disc spacers you could use them Quote Link to comment Share on other sites More sharing options...
Thehiphopsolidier Posted April 14, 2013 Author Report Share Posted April 14, 2013 Prototype V1. One side works well and the other side melted... Quote Link to comment Share on other sites More sharing options...
Joshm1991 Posted April 14, 2013 Report Share Posted April 14, 2013 I wouldn't mind seeing the video if anyone knows where it is? Quote Link to comment Share on other sites More sharing options...
bing Posted April 14, 2013 Report Share Posted April 14, 2013 Carbon brakes in Motorsport applications have to have special carbon pads, I suspect to avoid this sort of thing. But then, their carbon disks aren't woven like yours. I think you are using the wrong material my friend. The nature of the weave will naturally come apart, unless you can get a resin with a higher heat and friction rating. But I suspect that won't be cheap Quote Link to comment Share on other sites More sharing options...
dezmtber Posted April 14, 2013 Report Share Posted April 14, 2013 Looks like there wasn't enough compresion and vacum in the making of that rotor its very high in resin You would need a huge press and vac compressor to get it to the standard needed to use as a disc rotor Quote Link to comment Share on other sites More sharing options...
Ali C Posted April 14, 2013 Report Share Posted April 14, 2013 I'd like to see alloy rotors with a coated brake surface (like Stans rotors). Would be cool to experiment with different coatings too or even a ceramic coating (I think sShimano did this once but the brakes became too grabby for most people's tastes). Quote Link to comment Share on other sites More sharing options...
Rockman Posted April 14, 2013 Report Share Posted April 14, 2013 (edited) Edited April 14, 2013 by Rockman Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted April 14, 2013 Report Share Posted April 14, 2013 I'd like to see alloy rotors with a coated brake surface (like Stans rotors). Would be cool to experiment with different coatings too or even a ceramic coating (I think sShimano did this once but the brakes became too grabby for most people's tastes). hmmmm http://www.p-o-s.eu/bilder/ceradure180mm.JPG I like these. Quote Link to comment Share on other sites More sharing options...
N.Wood Posted April 14, 2013 Report Share Posted April 14, 2013 I tried out some carbon ceramic rotors at Velo Follies in 2009 in Belgium (think they may have been the ones posted above) but they didn't work very well at all. Good modulation but thats it. Could well have been the set up, and think they were using a Magura Louise but anyways... Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted April 14, 2013 Report Share Posted April 14, 2013 (edited) I tried out some carbon ceramic rotors at Velo Follies in 2009 in Belgium (think they may have been the ones posted above) but they didn't work very well at all. Good modulation but thats it. Could well have been the set up, and think they were using a Magura Louise but anyways... The one in the link isn´t carbon. These look pretty good too http://www.bikerumor.com/2012/11/14/found-kettle-cycles-40g-siccc-carbon-ceramic-disc-brake-rotors/ Edited April 14, 2013 by ghostrider88 Quote Link to comment Share on other sites More sharing options...
Blake Posted April 14, 2013 Report Share Posted April 14, 2013 sounds like it wants to explode Quote Link to comment Share on other sites More sharing options...
N.Wood Posted April 14, 2013 Report Share Posted April 14, 2013 Ok, alu ceramic, whatever. They made sprockets out of it too. Quote Link to comment Share on other sites More sharing options...
Rob Leech Posted April 15, 2013 Report Share Posted April 15, 2013 (edited) Looks like there wasn't enough compresion and vacum in the making of that rotor its very high in resin You would need a huge press and vac compressor to get it to the standard needed to use as a disc rotor I'd say this will always be a problem. You'd need something closer to the discs used on cars, so no resin matrix being used, but a ceramic bind of carbon matt (as in one of the links posted above, acheived by high temperatures and even higher compression) which would make it almost un-marketable due to the resulting retail price. Nice idea, but quite a bit more thought needed to make it an effective part in my opinion (or make up a fair few, use them once for comps and replace afterwards?). Edited April 15, 2013 by Rob Leech Quote Link to comment Share on other sites More sharing options...
aener Posted April 15, 2013 Report Share Posted April 15, 2013 (or make up a fair few, use them once for comps and replace afterwards?).+ pads... I can't see melted epoxy-resin soaking in to them doing brake pads much good Expensive habit that one. Haha. Quote Link to comment Share on other sites More sharing options...
bing Posted April 15, 2013 Report Share Posted April 15, 2013 Not to mention the fact that most carbon/carbon composite brakes don't work properly until they are really really hot, kinda renders them a tad useless for a trials bike application 1 Quote Link to comment Share on other sites More sharing options...
ZeroMatt Posted April 15, 2013 Report Share Posted April 15, 2013 The one in the link isn´t carbon. These look pretty good too http://www.bikerumor.com/2012/11/14/found-kettle-cycles-40g-siccc-carbon-ceramic-disc-brake-rotors/ Those Kettle cycles rotors are seemingly really rather shit. Lots of backers complaining on the forums and trying to return the rotors for inspection or something. That said, as per usual there's some chaps on HK trying some different pad materials with those rotors to some success. Quote Link to comment Share on other sites More sharing options...
AdamR28 Posted April 16, 2013 Report Share Posted April 16, 2013 Interesting. It's all a bit engineers trying to 1-up each other in that thread, haha! Be interesting to see what sort of level of riding the guy with the Echo is at (to try and add some weight to the 'the brakes work ace' claims). Quote Link to comment Share on other sites More sharing options...
Thehiphopsolidier Posted April 16, 2013 Author Report Share Posted April 16, 2013 The disc works very well and it was only one side that broke because it had a repair on the side that melted.I dragged the brake to break the disc. The whole point of making prototypes, testing the limits.I will not go into how I make my parts because it is only me who will be using them.More pictures and maybe a video of when I use the disc, when I feel like it. Quote Link to comment Share on other sites More sharing options...
aener Posted April 16, 2013 Report Share Posted April 16, 2013 I will not go into how I make my parts because it is only me who will be using them. No-one asked you to Quote Link to comment Share on other sites More sharing options...
ZeroMatt Posted April 16, 2013 Report Share Posted April 16, 2013 It's all a bit engineers trying to 1-up each other in that thread, haha! That's HK all over. Still some interesting bits and bobs turn up over there. Quote Link to comment Share on other sites More sharing options...
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