Matt Van Weele Posted October 18, 2004 Share Posted October 18, 2004 Warren Tetting said the Silver Crushes should be ready on Friday of this week. They will cost 28 bucks plus shipping charges. The springs are not chromed because he didn't want to have to worry about a lawsuit if one of the things breaks and hurts someone. For any further information on grippers or weight training equitment call Warren at 651-222-1889. Quote Link to comment Share on other sites More sharing options...
FrankyBoy Posted October 18, 2004 Share Posted October 18, 2004 (edited) Sounds great Matt. Time to increase one's grippers collection!! Edited October 18, 2004 by FrankyBoy Quote Link to comment Share on other sites More sharing options...
Bill Piche Posted October 18, 2004 Share Posted October 18, 2004 I am a bit puzzled because the "silver" of the silver crush was that the springs were chromed. Why are these any different than any other Elite or other Tetting gripper? Just wondering.... Quote Link to comment Share on other sites More sharing options...
OldGuy Posted October 18, 2004 Share Posted October 18, 2004 What were the original silver crush handles made of? Quote Link to comment Share on other sites More sharing options...
SqeezeMasterFlash Posted October 18, 2004 Share Posted October 18, 2004 I thought the difference with these was that the handles wer made of steel instead of aluminum Quote Link to comment Share on other sites More sharing options...
OldGuy Posted October 18, 2004 Share Posted October 18, 2004 I had thought they were chromed steel Quote Link to comment Share on other sites More sharing options...
pexter Posted October 18, 2004 Share Posted October 18, 2004 I'd rather have the exact replicated silver crush grippers.Robert Baraban said chrome plating does not hinder the life or strength of the spring. here is a copy from a post from his forum: Posted: Fri Jul 16, 2004 6:32 pm Post subject: Chrome plated springs -------------------------------------------------------------------------------- Does chrome plating the spring of a gripper weaken the spring? I was under the impression that plating steel makes it more brittle. Thanks, Robert Back to top handgripper Site Admin. Posted: Sat Jul 17, 2004 4:17 pm Post subject: -------------------------------------------------------------------------------- Hello RSW A Chromium Plated spring is not weaker as the average spring. A Chromium Spring does not break earlier or easier. The Chromium Plating is only 0.01 mm thick. Best Regards Robert Baraban Quote Link to comment Share on other sites More sharing options...
Matt Van Weele Posted October 18, 2004 Author Share Posted October 18, 2004 Bill the difference is the handles are knurled steel and then chromed. I guess if you want the springs chromed you'll have to talk Strossen in to making them. He may insist they never exsisted though. Quote Link to comment Share on other sites More sharing options...
JamesG Posted October 18, 2004 Share Posted October 18, 2004 Does anyone have a link to roberts forum? I cant wait to pick one up. I like the idea of a non-knurled steel handle even better though. Quote Link to comment Share on other sites More sharing options...
pexter Posted October 18, 2004 Share Posted October 18, 2004 Does anyone have a link to roberts forum? I cant wait to pick one up. I like the idea of a non-knurled steel handle even better though. ← Here you go:RB's forum Quote Link to comment Share on other sites More sharing options...
Bill Piche Posted October 18, 2004 Share Posted October 18, 2004 Bill the difference is the handles are knurled steel and then chromed. I guess if you want the springs chromed you'll have to talk Strossen in to making them. He may insist they never exsisted though. ← Ah, ok. Got it. Quote Link to comment Share on other sites More sharing options...
jad Posted October 19, 2004 Share Posted October 19, 2004 I asked my wife to order me one for Christmas with 1/8 mounting and a 3.25 inch spread. My reason for ordering it is so that when I'm capable of closing it I can say I can close one of the "old, hard, #3's" plus the idea of steel handles was just too sweet to pass up. I would've opted for nonchrome either way as I have no desire to have that thing blow up on me. Quote Link to comment Share on other sites More sharing options...
SqeezeMasterFlash Posted October 19, 2004 Share Posted October 19, 2004 I wonder if the old chrome plating was different from what Robert is doing, if he says it doesn't create a structural risk and we have people here who's grippers have blown up? Quote Link to comment Share on other sites More sharing options...
RSW Posted October 19, 2004 Share Posted October 19, 2004 I wonder if the old chrome plating was different from what Robert is doing, if he says it doesn't create a structural risk and we have people here who's grippers have blown up? ← I think RB is using a different plating process which doesn't make the springs brittle. It does leave the ocassional dark spot on the coil, though. Quote Link to comment Share on other sites More sharing options...
Matt Van Weele Posted October 20, 2004 Author Share Posted October 20, 2004 I don't think Robert knows what he is talking about. How do you explain for example back in the early 90's when they were chromed 1 to 2 out of 10 springs breaking that were chromed. Then after switching to a standard spring having the number reduced to basically 0 or 1 in who knows how many. Quote Link to comment Share on other sites More sharing options...
Bill Piche Posted October 21, 2004 Share Posted October 21, 2004 I agree with Matt. I don't think there is a way to not to make it brittle. Quote Link to comment Share on other sites More sharing options...
terminator Posted October 21, 2004 Share Posted October 21, 2004 Quality spring manufacturers quote Hydrogen embrittlement due to chromium plating as the second most prevalent cause of spring failure next to high stress. These torsion springs have a lot of negatives going for them, especially as they get thicker. Anything above a #3 thickness (with the common arbor diameters seen) is outside of the SMI recommendations for minimum bend radius, which= high stress. Doglegs, or flat spots are stress concentrations as well. Why throw another negative in there? Sure it's possible that a chromed spring may last and never break, but the percentages are not with you. If I remember correctly, the first gripper Baraban chromed for Gazza, exploded after several chest crushes. The best finish to maximize a torsion spring's useful life is shot peening or beadblasting, which reduces surface imperfections and minimizes stress concentrations. Probably not coincidentally, this is what the last few years of COC grippers have employed. Stick with the black springs, unless you understand the risks. I agree with Matt.I don't think there is a way to not to make it brittle. ← Quote Link to comment Share on other sites More sharing options...
RSW Posted October 21, 2004 Share Posted October 21, 2004 If I remember correctly, the first gripper Baraban chromed for Gazza, exploded after several chest crushes. The first Ivanko bars shattered when you dropped them, but they managed to solve that problem. You may be right and a wide gripper with a chrome spring is not going to last as long. It wouldn't surprise me at all, though, if my RB300N chromed spring outlasts a non-chromed RB300. I will let you know if my grippers explode. Robert Quote Link to comment Share on other sites More sharing options...
Revtor Posted October 22, 2004 Share Posted October 22, 2004 That chroming of a spring makes it likely to fail early, is a proven truth to the chroming process thats been around since chrome. True chromium plating is the same as its always been. Im sure there are other processes out there, but electroplating is electroplating. And think of it the next time you crush a tough gripper.. All the force you're exerting for that range of motion is all getting absorbed by a piece of wire already coiled past its engineering norms and recommendations. These grippers are tough guys, its alot of force!!! The exploding chrome plated chest crush is sacry, dont stare at the spring when doing chest crushes.. think about your eyes! I had my gripper explode and shoot steel thats why all the paranoia.. just be safe, and keep yoir springs from getting banged around or scraped up.. ~Steve Quote Link to comment Share on other sites More sharing options...
Bill Piche Posted October 22, 2004 Share Posted October 22, 2004 My Silver Crush broke right at the dogleg. Just as Terminator points out is a stress point. Quote Link to comment Share on other sites More sharing options...
maidenfan Posted October 22, 2004 Share Posted October 22, 2004 The best finish to maximize a torsion spring's useful life is shot peening or beadblasting, which reduces surface imperfections and minimizes stress concentrations. Probably not coincidentally, this is what the last few years of COC grippers have employed. Stick with the black springs, unless you understand the risks. Although totally unncecessary, cryo treating the spring would probably make it even stronger. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.