carl0s Posted March 21, 2007 Share Posted March 21, 2007 What a frikkin' ball ache! Still not done. I have a poor quality ~0.8mm thick restrictor ring that I was given, and a high quality very well cut ~2mm restrictor ring that I bought of Chris Wilson - just in case it was already big enough for me, and I need a larger one. How the frig do I resize them? Obviously I'm going to resize the thin one, and probably sell the Chris Wilson one since it'll be harder to resize. I bought a half-round file - no chance. I bought a 'rotary file' which is a router-style drill bit - no chance. My uncle says he has some engineers files which may do the trick, and he has vices and drill presses etc so I may get it done there this afternoon once I've finished working. Any tips guys? I took the restrictor out alltogether just in case I didn't need it, and I hit 20.4psi (for a millisecond - didn't even see it on the boost gauge 'til I hit the peak-display switch afterwards). Link to comment Share on other sites More sharing options...
Jake Posted March 21, 2007 Share Posted March 21, 2007 What material is it? Link to comment Share on other sites More sharing options...
colsoop Posted March 21, 2007 Share Posted March 21, 2007 What about a flap wheel on a drill ? say 40 grit. Link to comment Share on other sites More sharing options...
uk-rich Posted March 21, 2007 Share Posted March 21, 2007 What material is it? i should say stainless, a decent file will do it, will be hard work though Link to comment Share on other sites More sharing options...
carl0s Posted March 21, 2007 Author Share Posted March 21, 2007 The thick one seems to be stainless. The thin one - I dunno. Looks like it was cut with some tin snips, which... might be what I end up doing Link to comment Share on other sites More sharing options...
carl0s Posted March 21, 2007 Author Share Posted March 21, 2007 Flap wheel. Is that the flappy sandpaper thing? Link to comment Share on other sites More sharing options...
spidermonkey Posted March 21, 2007 Share Posted March 21, 2007 carbide deburring bit in a drill will probably be your best bet mate (use safety glasses though) Link to comment Share on other sites More sharing options...
Chris and Alana Posted March 21, 2007 Share Posted March 21, 2007 I resized mine 7 times! and what a pain it was. Mine was a 2mm thick stainless stell jobbie and I used a good quality round file, it worked but Im sure I lost a stone that day. Link to comment Share on other sites More sharing options...
Pete Posted March 21, 2007 Share Posted March 21, 2007 I reckon you need one of these: http://www.saskschools.ca/~gregory/sask/mining/potash1.jpg Link to comment Share on other sites More sharing options...
Chris and Alana Posted March 21, 2007 Share Posted March 21, 2007 Link to comment Share on other sites More sharing options...
jamesmark Posted March 21, 2007 Share Posted March 21, 2007 I reckon you need one of these: [qimg]http://www.saskschools.ca/~gregory/sask/mining/potash1.jpg[/qimg] Surely this will do the job. Caution is advised though, wear a luminous yellow jacket to be on the safe side. http://www.nyc.gov/html/dep/gif/teeth.jpg Link to comment Share on other sites More sharing options...
Kranz Posted March 21, 2007 Share Posted March 21, 2007 Dremel and tungsten carbide is your friend Link to comment Share on other sites More sharing options...
carl0s Posted March 21, 2007 Author Share Posted March 21, 2007 I fixed it into the vice and used a grinding stone drill bit. That sounds a bit like what you've just suggested K14 SUP Worked OK, ate the hell out of the grinding bits though! Link to comment Share on other sites More sharing options...
Chris Wilson Posted March 22, 2007 Share Posted March 22, 2007 Mine will just file, with a normal decent bastard cut half round. They may be a bit hard on the cut line, the laser heats them up a bit Link to comment Share on other sites More sharing options...
steb9780 Posted March 22, 2007 Share Posted March 22, 2007 As Chris says any decent rough/bastard half-round file. As other people have said a burr cutter in a drill would do it. If you still can't do it, I could machine it for you. The thick one that is. But really the file should take it off no probs Link to comment Share on other sites More sharing options...
Kranz Posted March 22, 2007 Share Posted March 22, 2007 But really the file should take it off no probs With a bit of sweat Link to comment Share on other sites More sharing options...
Chris Wilson Posted March 22, 2007 Share Posted March 22, 2007 Bit of sweat...? Jeez, it's a 3mm thick piece of steel he's opening a hole up in, he's not refacing a cylinder block with a half inch file you know .... :) Link to comment Share on other sites More sharing options...
Kranz Posted March 22, 2007 Share Posted March 22, 2007 he's not refacing a cylinder block with a half inch file you know .... :) Personally I'd get my mate Tony with his mill to do that, while I drink tea And yes, I've cleaned up a block face with a file before now.... was nearly a scrapper though! Link to comment Share on other sites More sharing options...
carl0s Posted March 22, 2007 Author Share Posted March 22, 2007 Look, the £4.99 file that I bought from 'Jacks DIY' obviously wasn't up to scratch! I've done it already with the grinding stone thingy Link to comment Share on other sites More sharing options...
steb9780 Posted March 22, 2007 Share Posted March 22, 2007 Look, the £4.99 file that I bought from 'Jacks DIY' obviously wasn't up to scratch! I've done it already with the grinding stone thingy Ah job done then, always worth having a half decent set of files at home. I got some Sandvik bahco ones from work, they last a lifetime with occasional jobs at home. At work I use them day in day out and they still last for about a year. Link to comment Share on other sites More sharing options...
Chris Wilson Posted March 22, 2007 Share Posted March 22, 2007 The only file killing job here is sharpening chain saw blades, i get through a VERY high quality 7/32 riund file every 4 sharpenings. I have now invested (heavily) in a proper powered chain saw grinder and it's made life SO much easier and quicker! Link to comment Share on other sites More sharing options...
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