Sonny Clarke Posted February 21, 2008 Report Share Posted February 21, 2008 (edited) Hey, just browsing youtube and came across this, it says its a prototype but that is probably old. Edited February 21, 2008 by Clarkey Quote Link to comment Share on other sites More sharing options...
Revolver Posted February 21, 2008 Report Share Posted February 21, 2008 this has been posted before....i saw a frame called a switchblade with one on Quote Link to comment Share on other sites More sharing options...
Sonny Clarke Posted February 21, 2008 Author Report Share Posted February 21, 2008 oh okay. Quote Link to comment Share on other sites More sharing options...
Mark W Posted February 21, 2008 Report Share Posted February 21, 2008 Being 'tested' by someone who appears to be barely able to backwheel wheel-height.Reassuring. Quote Link to comment Share on other sites More sharing options...
Krisboats Posted February 21, 2008 Report Share Posted February 21, 2008 Being 'tested' by someone who appears to be barely able to backwheel wheel-height.Reassuring.Isn't that the idea? I thought he was purposefully coming up far too low to show that the brake continued to hold despite being past the point where other brakes would slip. The rock riding wasn't very good though. Quote Link to comment Share on other sites More sharing options...
spartan Posted February 21, 2008 Report Share Posted February 21, 2008 So what if the kid isnt a super star.I think is pretty sweet that he managed to make a freakin 24" disc man.If it didnt weight like a million pounds i think it would be sweet.I doubt the idea will ever catch but i would be cool to try one!! Quote Link to comment Share on other sites More sharing options...
JT! Posted February 21, 2008 Report Share Posted February 21, 2008 My 200mm holds me fine. What's the point in going bigger?Also, a harder rider would destory that. Quote Link to comment Share on other sites More sharing options...
makrela Posted February 21, 2008 Report Share Posted February 21, 2008 cross-post from observedtrials.net:http://www.observedtrials.net/vb/showthread.php?t=33975pictures and explanation from the creator. Quote Link to comment Share on other sites More sharing options...
Sonny Clarke Posted February 21, 2008 Author Report Share Posted February 21, 2008 Anyone know or reconise him? his online name for observed trials is kiwi-brisa so he may be from Zew Zealand Quote Link to comment Share on other sites More sharing options...
Mark W Posted February 21, 2008 Report Share Posted February 21, 2008 Isn't that the idea? I thought he was purposefully coming up far too low to show that the brake continued to hold despite being past the point where other brakes would slip. The rock riding wasn't very good though.It just looked like he was 'barely able' to make it 'cos he wasn't good technique-wise, and that was his limit, as opposed to it being to test the brake more? If it was a case of deliberately landing low to try and stress it, why not try doing a tap bigger than what you'd usually do?Meh... Quote Link to comment Share on other sites More sharing options...
Dan6061 Posted February 21, 2008 Report Share Posted February 21, 2008 I don't see how this idea will catch on...If you wanted it, then you'd either have to buy a new rim with the rotor attached, or drill into your rim to fit the disc.Then if you wanted to go back to rim brakes you'll be stuck with holes all over the sidewalls...Think i'll stick to my V and BB7. Quote Link to comment Share on other sites More sharing options...
PaRtZ Posted February 21, 2008 Report Share Posted February 21, 2008 It just looked like he was 'barely able' to make it 'cos he wasn't good technique-wise, and that was his limit, as opposed to it being to test the brake more? If it was a case of deliberately landing low to try and stress it, why not try doing a tap bigger than what you'd usually do?Meh...If im honest, he looked like he wasn't going big because he was making an effort to ride smoothly... might be wrong, but I wouldn't trust it, sorry. Quote Link to comment Share on other sites More sharing options...
monkeyseemonkeydo Posted February 21, 2008 Report Share Posted February 21, 2008 Haha, I love the way the Americans are absolutely loving this, telling him to go into full blown worldwide production and patents... It's not a new idea, it doesn't seem that good an idea for trials and as OBM's said, he's not exactly the standard of rider who either needs or can properly utilise a brake like that...Props to the NZ dude for giving it a go and making a working prototype but Americans are such losers Quote Link to comment Share on other sites More sharing options...
Zordon Posted February 21, 2008 Report Share Posted February 21, 2008 (edited) I'm not a member of OTN so I'll leave my opinion here.The brake definitely doesn't weigh 405g. It's probably the weigh of lever, hosing, caliper and the adaptor thingy only.I don't know If I would like to use the brake in its current form (i.e. not thoroughly tested, proven etc).Anyway, I respect the author because he tries to make something new. It can eventually turn to be an outstanding braking solution for biketrials. He shouldn't be flamed for that. Edited February 21, 2008 by zordon Quote Link to comment Share on other sites More sharing options...
Adam-Griffin Posted February 21, 2008 Report Share Posted February 21, 2008 Any one got any idea how the hell you make a disc that size? Quote Link to comment Share on other sites More sharing options...
Ladd Posted February 21, 2008 Report Share Posted February 21, 2008 What Would Happen if you buckled the wheel? I would'nt Use One..... Quote Link to comment Share on other sites More sharing options...
monkeyseemonkeydo Posted February 21, 2008 Report Share Posted February 21, 2008 Any one got any idea how the hell you make a disc that size? Explained in the OTN thread- ten laser cut stainless steel sections welded together then fixed to the rim. Not convinced that can produce a straight, true disc in the first place, and that's not taking into account the fact that if you buckle the wheel by more than about half a mm (that's about everyone who rides trials then...) it will rub like a crazy rubby thing. Quote Link to comment Share on other sites More sharing options...
F-Stop Junkie Posted February 21, 2008 Report Share Posted February 21, 2008 Was on Section7 back in the day, still on NoPogo here too! Quote Link to comment Share on other sites More sharing options...
Mark W Posted February 22, 2008 Report Share Posted February 22, 2008 Not quite the same thing... Quote Link to comment Share on other sites More sharing options...
Sonny Clarke Posted February 22, 2008 Author Report Share Posted February 22, 2008 (edited) I can't see the advantages at all of having a disc that large though: More easier to bend/brake, more ugly, more expensive and harder to set up.tis a beast Edited February 22, 2008 by Clarkey Quote Link to comment Share on other sites More sharing options...
basher Posted February 22, 2008 Report Share Posted February 22, 2008 I cant see people usign it for reasons people have said. But you have to give it to the guy for comeing up with the idea and trying. Its people like this guy that push technolgy forward and the sports further. Quote Link to comment Share on other sites More sharing options...
Jamie_Neal Posted February 22, 2008 Report Share Posted February 22, 2008 Would be better if you could do it with a floating disc or caliper but getting that not to have any play in it would be a real challenge. Quote Link to comment Share on other sites More sharing options...
Mark W Posted February 22, 2008 Report Share Posted February 22, 2008 Like the guy said on OTN, and like people said here in the original Ruthless threads, bolting the disc to the rim means you're effectively giving your rim a third wall, so it'd be way harder to buckle anyway? The advantage are that is combines the best aspect of a rim brake (you're effectively using a 26" rotor) with the best aspect of a disc brake (no problems riding in wet/mud). He can make the rim-disc thing for $50, which is the most expensive part of that setup (assuming you've got a disc caliper already), so it may be a little bit more hassle in the initial setup, but it shouldn't be too expensive. Quote Link to comment Share on other sites More sharing options...
Tomm Posted February 22, 2008 Report Share Posted February 22, 2008 Like the guy said on OTN, and like people said here in the original Ruthless threads, bolting the disc to the rim means you're effectively giving your rim a third wall, so it'd be way harder to buckle anyway?I'd be surprised if that disc offered any support to the wheel itself. Discs are really bendy and it wouldn't be attached that rigidly. But I thought that the caliper had some degree of float in it to accommodate this anyway? It looks like a good idea and I'm all for innovation. But I reckon even if he can get it working perfectly, the extra weight over a normal setup will be a turn off for a lot of people. Will be good to see though.Haha, I love the way the Americans are absolutely loving this, telling him to go into full blown worldwide production and patents...Knowing OTN their replies will be entirely sarcastic with the ultimate aim of financially ruining the foreign guy who isn't in on the 'joke' Quote Link to comment Share on other sites More sharing options...
Mark W Posted February 22, 2008 Report Share Posted February 22, 2008 It's bolted to the wheel, and it's a welded disc, so it should be pretty strong? The guy said he didn't have any problems with buckling his wheel or disc for 6 months, so it can't be too bad. Quote Link to comment Share on other sites More sharing options...
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