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Topic: Larson crashes hard at Knoxville
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Page 1 of 3 of 43 replies
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July 06, 2013 at
11:09:53 PM
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After coming from 11th to 2nd in first feature, starts 15th and while running 2nd late and running down leader, loses right front stop, (according to him in post accident interview), and clobbers turn 2 wall. Emerged un-injured. Justin Henderson won 1st feature, Mark Dobmeir wins the second. Given this is the same issue that ended Jason Leffler's life, what needs to be done to address this issue?
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July 06, 2013 at
11:18:32 PM
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agree. find the common denominator. It's either the brand of bar, brand of stop, or type of stop.
The greatest knowledge is to know that you know nothing
at all.
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July 06, 2013 at
11:51:15 PM
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Hear it happening WAY too often and saw Kyles accident live on the net.... Something HAS to be done with these torsion stops....
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July 06, 2013 at
11:52:20 PM
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Reply to:
Posted By: smokerudrinkplayeruget on July 06 2013 at 11:09:53 PM
After coming from 11th to 2nd in first feature, starts 15th and while running 2nd late and running down leader, loses right front stop, (according to him in post accident interview), and clobbers turn 2 wall. Emerged un-injured. Justin Henderson won 1st feature, Mark Dobmeir wins the second. Given this is the same issue that ended Jason Leffler's life, what needs to be done to address this issue?
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Something definitely needs to be done to stop this issue. We just can't have drivers hitting the walls at 100mph. Someone needs to come up with a fix and make it mandatory.
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July 06, 2013 at
11:57:01 PM
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This message was edited on
July 06, 2013 at
11:58:13 PM by jsfan
Just curious, where on the net was Knoxville's race live? I looked but never found...
No matter what, this stop issue MUST be addressed immediately! Someone, somewhere, please come up with a fix for this problem.
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July 07, 2013 at
12:17:47 AM
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Reply to:
Posted By: jsfan on July 06 2013 at 11:57:01 PM
Just curious, where on the net was Knoxville's race live? I looked but never found...
No matter what, this stop issue MUST be addressed immediately! Someone, somewhere, please come up with a fix for this problem.
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I watched it on the Cushion $14,00 for a flawless stream, unlike Dirtvision. Check it out!
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July 07, 2013 at
12:28:01 AM
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Most people run a threaded rod throught the bars to keep them from coming off.It seems to work well.
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July 07, 2013 at
01:10:00 AM
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Reply to:
Posted By: Smokey880 on July 07 2013 at 12:28:01 AM
Most people run a threaded rod throught the bars to keep them from coming off.It seems to work well.
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I've heard good and bad on that method. I'm talking a permanent fix. Anyone have any thoughts?
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July 07, 2013 at
01:17:47 AM
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Actually John McCoy said at a drivers meeting a week or two ago that they had a guy (Butler?) working on something to prevent that and on tethers for front axles also.
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July 07, 2013 at
07:01:12 AM
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Reply to:
Posted By: jsfan on July 06 2013 at 11:57:01 PM
Just curious, where on the net was Knoxville's race live? I looked but never found...
No matter what, this stop issue MUST be addressed immediately! Someone, somewhere, please come up with a fix for this problem.
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http://thecushion.com/
Knoxvilles weekly shows have been $14 all season I believe. I don't subscribe to the site, just the PPV's. Anyone a full member? What are the pros' and Cons' of full membership?
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July 07, 2013 at
07:44:14 AM
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Reply to:
Posted By: Casprintman on July 07 2013 at 01:10:00 AM
I've heard good and bad on that method. I'm talking a permanent fix. Anyone have any thoughts?
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What is the bad side of that method? weight? Pretty simple fix ,we have done it for years with no problems.
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July 07, 2013 at
09:32:20 AM
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I am a subscriber to the Cushion and love it. I get to watch every WoO show, ASCoC, IRA, Knoxville, and many other races. Never done the PPV though.
I also subscribe to Jackslash which is solid for wingless action. Both great sites.
I subscribe to dirtvision too, but doubt I will do that again....
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July 07, 2013 at
12:03:05 PM
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Reply to:
Posted By: Smokey880 on July 07 2013 at 07:44:14 AM
What is the bad side of that method? weight? Pretty simple fix ,we have done it for years with no problems.
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I've heard some people question the strength of the all thread rods. I'm no expert. Thanks for your info
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July 07, 2013 at
05:25:51 PM
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The kid is lucky. He was running low most of the race and moved up to follow Dobmeier high in 1 and 2 that lap. Had that thing broke from the bottom and he shot straight up the track I don't think he walks away from that crash. With the cushion so high luckily he only had about 3 feet to travel to hit the wall.
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July 07, 2013 at
07:33:43 PM
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this may seem like a simple solution, but what if they machined a groove on the end of the torsion bar and installed a snap ring to retain the stop?
Safety wire it and make it part of tech.
The axle tethers are a good idea, but most of the crashes I see the axle breaks and part of it goes flying, instead of the whole thing, but retaining some may be better than none at all.
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July 07, 2013 at
08:18:46 PM
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Reply to:
Posted By: BLUTEAM on July 06 2013 at 11:18:32 PM
agree. find the common denominator. It's either the brand of bar, brand of stop, or type of stop.
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Schroeder torsion bars have a snap ring at end of bars, Tom, the accutach guy has a new item to come out on market soon. He has about 8 cars testing them, no long rod and less weight, but long rods do a good job. I do not think you need something with a ton of force needed to get it off, just something to keep it from sliding off. Alum. stops not only can slide off, but they can break. I would say get rid of alum. TB stops. Front axel tethers would be easy. NASCAR uses the white nylon rope you get at hardware stores. For years the hood and trunk lids have had a tether on each side. This cost very little and weighs very little. Sure you could cut the whole front end off in a crash, but 95% off time you will not
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July 07, 2013 at
08:40:17 PM
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Reply to:
Posted By: linbob on July 07 2013 at 08:18:46 PM
Schroeder torsion bars have a snap ring at end of bars, Tom, the accutach guy has a new item to come out on market soon. He has about 8 cars testing them, no long rod and less weight, but long rods do a good job. I do not think you need something with a ton of force needed to get it off, just something to keep it from sliding off. Alum. stops not only can slide off, but they can break. I would say get rid of alum. TB stops. Front axel tethers would be easy. NASCAR uses the white nylon rope you get at hardware stores. For years the hood and trunk lids have had a tether on each side. This cost very little and weighs very little. Sure you could cut the whole front end off in a crash, but 95% off time you will not
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I agree with linbob on getting rid of the aluminum and the bored out stuff in this area is a very good idea. Shaving weight in the front end and on other areas where the torque is at an extreme can help with the safety aspect (I'm in no way saying that contributed to the part coming off). Just my Opinion.
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July 07, 2013 at
08:42:11 PM
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Reply to:
Posted By: Casprintman on July 07 2013 at 12:03:05 PM
I've heard some people question the strength of the all thread rods. I'm no expert. Thanks for your info
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O so i guess just letting the stop fall off is a far better option. People find it a pain to swap a bar out if they have one more step they need to do. Problem is teams have gotten lazy. Their used to be teams that drilled and put a retaining pin in the end of the threads on a rear end to keep the wheel nuts from coming completely off. Well it became to hard to place or replace one simple clip so it was just a step completely void in current programs. Guess with as many arms and stops that have been falling off as of late I guess id be doing a few more steps then worrying about a few more lbs or the strength of something that is a means to retain an very important part of a racecar at speed.
I don't aim to please.
I aim to hit the target.
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July 07, 2013 at
08:44:35 PM
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I have thought of a good way to cure this problem.My idea would call for a slight change by the bar manufacturers that shouldn't add much cost and add very little weight.Picture yourself looking at the hollow end of the bar,now picture an insert of metal welded inside the hollow end with a hole in the center of it tapped for a small bolt.You would now slide your stop onto the bar,then apply a washer that is slightly larger than the torsion tube and your bolt that goes thru the center of the bar,loctite the bolt if you want or use a small lockwasher under the head of the bolt.
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July 07, 2013 at
09:16:59 PM
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Reply to:
Posted By: 21wforacer on July 07 2013 at 08:42:11 PM
O so i guess just letting the stop fall off is a far better option. People find it a pain to swap a bar out if they have one more step they need to do. Problem is teams have gotten lazy. Their used to be teams that drilled and put a retaining pin in the end of the threads on a rear end to keep the wheel nuts from coming completely off. Well it became to hard to place or replace one simple clip so it was just a step completely void in current programs. Guess with as many arms and stops that have been falling off as of late I guess id be doing a few more steps then worrying about a few more lbs or the strength of something that is a means to retain an very important part of a racecar at speed.
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They do make Hinch pin clips that are a push in pull out type pin .i agree with the drilled hole with a pin or clip.
We need more sprint car racing at our home track.
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