ericbenjaminjr Posted May 19, 2014 Report Share Posted May 19, 2014 I was just working on a workflow for creating bash rings. I just ordered one from JAF Bikes. I'm so in love with this thing, just wish I could get it in anodized black 7075 aluminum. I decided to use his design to test my workflow. What do you think? Quote Link to comment Share on other sites More sharing options...
Jake. Posted May 19, 2014 Report Share Posted May 19, 2014 If I'm honest I think it has way too many hole cutouts haha, come out with your own custom bashring- way cooler. Quote Link to comment Share on other sites More sharing options...
*gentlydoesit Posted May 19, 2014 Report Share Posted May 19, 2014 I like it. Like jake said though, too many holes. Only there for the weight save in steel. Way cooler to do your own design imo Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 19, 2014 Author Report Share Posted May 19, 2014 Yeah you're right, the original has two sections without any holes at all. But like I said, this was only a workflow test. I needed a subject right away. This workflow is for an 8 section design. Jaff was a great subject because of the complexity. I'll be making a few more workflows before I start to get creative myself.. Quote Link to comment Share on other sites More sharing options...
SamKidney Posted May 19, 2014 Report Share Posted May 19, 2014 Jaf rings are pretty shit as they are, adding more holes will only make it worse 1 Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 19, 2014 Author Report Share Posted May 19, 2014 Jaf rings are pretty shit as they are, adding more holes will only make it worse Damn, thats not good news. I ordered a half ring today Quote Link to comment Share on other sites More sharing options...
Jake. Posted May 19, 2014 Report Share Posted May 19, 2014 Unlucky, I sold mine for a fiver after one ride on it. Twenty pounds down the drain. Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 20, 2014 Author Report Share Posted May 20, 2014 Does it bend? Or whats the deal with it? Quote Link to comment Share on other sites More sharing options...
Ash-Kennard Posted May 20, 2014 Report Share Posted May 20, 2014 it explodes 2 Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 20, 2014 Author Report Share Posted May 20, 2014 it explodes LOL, the plutonium version was out of stock.. I added a generic crank and freewheel to the template so I can better see what the end result would look like. Also started drawing up a few ideas of my own on paper. Actually came up with a few. But I'm still very interested in whats wrong with the JAF ring. I really love the design and maybe I can improve on it.. Quote Link to comment Share on other sites More sharing options...
ogre Posted May 20, 2014 Report Share Posted May 20, 2014 They're good. I have bent mine to the point it affected my drive train. I bent it back. Loosened my ffw rotated the bash and I'm still using the same ring... Make it so you can put a bolt in it that sits against the crank so when you tighten the ffw the bash can't rotate... Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 20, 2014 Author Report Share Posted May 20, 2014 Well bending isn't good. Never had a bash ring bend on me. Not really something I'd like to start accepting as normal. I made a few changes to prevent bending, and a few minor design changes as well. This is of course no long a steel design. 1. Made it taper to 5mm thicker. 2. Removed some holes. 3. Left the ring around the crank intact. You still wont see it when the crank is on. Did I break it? Quote Link to comment Share on other sites More sharing options...
*gentlydoesit Posted May 20, 2014 Report Share Posted May 20, 2014 Will the new taper clear the crank? What material are you thinking of using? Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 20, 2014 Author Report Share Posted May 20, 2014 (edited) Will the new taper clear the crank? What material are you thinking of using? Yeah it tapers to the inside towards the freewheel. The crank side is flat. I'm thinking of 7075 aluminum. So far this is all theory. Fun and games with the option to get serious if I come up with something really good. Edited May 20, 2014 by iTrialer Quote Link to comment Share on other sites More sharing options...
ogre Posted May 20, 2014 Report Share Posted May 20, 2014 Well bending isn't good. Never had a bash ring bend on me. Not really something I'd like to start accepting as normal. I made a few changes to prevent bending, and a few minor design changes as well. This is of course no long a steel design. i'd agree that bending isn't good, but snapping a bashplate isn't good either; alu is likely to bend but if it does it's usually likely to die soon after. bending back the ring wasn't a problem either the impact that bent it was a bit of a wierd scenario, i don't imagine any bash ring would have faired very well in the incident. Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 20, 2014 Author Report Share Posted May 20, 2014 (edited) i'd agree that bending isn't good, but snapping a bashplate isn't good either; alu is likely to bend but if it does it's usually likely to die soon after. bending back the ring wasn't a problem either the impact that bent it was a bit of a wierd scenario, i don't imagine any bash ring would have faired very well in the incident. I understand. I guess you're right. I've never run a bash ring that wasnt tapered. I've been reading up on the properties of 7075 aluminum and it seems to be the perfect choice for this bash ring. It has the lightness of aluminum and hardness of steel. I'm no physics expert but I imagined the JAF ring as a straight bar with all its waves and cutouts and imagined twisting it would be fairly easy. Thats how I came up with closing the inner ring, thinking it would stiffen up the structure as a whole. I need to research how I could get one off prototypes done cheaply. Maybe I would take this a bit further... That bike is bad ass BTW @Trials Bummer!!! Edited May 20, 2014 by iTrialer 1 Quote Link to comment Share on other sites More sharing options...
harmertrials Posted May 20, 2014 Report Share Posted May 20, 2014 I've heard/seen a fair few jaf rings bend. Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 26, 2014 Author Report Share Posted May 26, 2014 (edited) I finally got some time to finish up the remake. I decided on keeping the design as close as possible with the few minor changes. I made the diameter 91.1mm to prevent the chain being hit between the cutouts around the outer rim. The large cutouts are a bit larger and all the same shape. I did a bit of research and I'm thinking making the entire ring 5mm thick will be enough to prevent bending. I'm just wondering how much lighter it would be with 7075 alu or if at all due to the thickness. I also got my Jaf ring from TartyBikes. Its 3mm thick and just by looking at it I know I'll bend it sooner or later. So I'll be moving on to some of my own designs now. Edited May 26, 2014 by iTrialer Quote Link to comment Share on other sites More sharing options...
*gentlydoesit Posted May 26, 2014 Report Share Posted May 26, 2014 (edited) Careful of the crank threads dude, not enough and it'll strip Edited May 26, 2014 by *gentlydoesit Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 26, 2014 Author Report Share Posted May 26, 2014 Careful of the crank threads dude, not enough and it'll strip I did quite a bit of research and found 5mm has become a pretty common standard. Quote Link to comment Share on other sites More sharing options...
*gentlydoesit Posted May 26, 2014 Report Share Posted May 26, 2014 Yeah, I had an echo urban I think it was. Didn't fancy using it on my zhi cranks, worked well on my tryall though. Guess it depends on the cranks you ride. Quote Link to comment Share on other sites More sharing options...
MartMini Posted May 27, 2014 Report Share Posted May 27, 2014 i always think 5mm clamp section is always overkill on bashrings. I always ran 3mm, and had no issues. I'd rarther destroy a bashring, then strip the threads on a crank due to their not being enough thread engagement. Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted May 27, 2014 Author Report Share Posted May 27, 2014 i always think 5mm clamp section is always overkill on bashrings. I always ran 3mm, and had no issues. I'd rarther destroy a bashring, then strip the threads on a crank due to their not being enough thread engagement. Yeah, I had an echo urban I think it was. Didn't fancy using it on my zhi cranks, worked well on my tryall though. Guess it depends on the cranks you ride. Thanks for the info guys. I'll check into it a bit more. Quote Link to comment Share on other sites More sharing options...
ericbenjaminjr Posted June 7, 2014 Author Report Share Posted June 7, 2014 I've done a bit more research and asked around a bit. It seems 5mm is ok but not optimal for all setups. So I'm going to wait and try out my original JafBikes ring until I bend it and analyze the damage. In the meantime I worked on one of my own designs. I couldn't help myself but to be inspired by the Jaf ring though. I took a guess on completing the circle of the ring hoping it would provide some stiffness. This is my first draft. I call it the knucklering. Quote Link to comment Share on other sites More sharing options...
*gentlydoesit Posted June 7, 2014 Report Share Posted June 7, 2014 It does look like a duster. Haha 1 Quote Link to comment Share on other sites More sharing options...
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