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Forum: HoseHeads Sprint Car General Forum (go)
Moderators: dirtonly  /  dmantx  /  hosehead


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Topic: Check this crash test out Email this topic to a friend | Subscribe to this TopicReport this Topic to Moderator
Page 1 of 1   of  8 replies
blazer00
September 23, 2018 at 08:27:03 AM
Joined: 06/10/2015
Posts: 2420
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https://binged.it/2px2MQq




Dryslick Willie
September 23, 2018 at 08:36:04 AM
Joined: 12/17/2009
Posts: 2235
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This is actually several years old and to be honest, I'm not impressed.   This could be just like anything else in the fake news world of today, and I wouldn't be the least bit surprised if they added force to it for dramatic effect.    See if you find any data on how they calculated the force with which they slam this cage into the wall.     



Murphy
September 23, 2018 at 09:26:13 AM
Joined: 05/26/2005
Posts: 3262
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Reply to:
Posted By: Dryslick Willie on September 23 2018 at 08:36:04 AM

This is actually several years old and to be honest, I'm not impressed.   This could be just like anything else in the fake news world of today, and I wouldn't be the least bit surprised if they added force to it for dramatic effect.    See if you find any data on how they calculated the force with which they slam this cage into the wall.     



      While dramatic, I think the video also needs to be seen in perspective. It appears to be a PR piece by a testing lab looking to expand their business into another market segment. As such, it would be tempting to jucie the results a bit. For example, in the second part of the video they simulate a sprint car hitting a concrete wall cage first. It's hard to believe that a driver would have his belts as loose as they seem to be on the crash test dummy. From that video, you get the impression that roll cages need to be at least 12" taller.

     I'm not saying sprint cars shouldn't be built stronger or safer. I'm not saying tracks shouldn't be made safer, or that the cars should be slowed down a bit.




RodinCanada
MyWebsite
September 23, 2018 at 10:31:32 AM
Joined: 07/24/2016
Posts: 1720
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the cage shrunk several inches but wether 1 or 6 it doesnt matter if the head exits the tubed box.

Not sure why a company would have to pretend a sprint car is less safe than reality to promote their services. To improve business you sell yourself above competitors not potential customers. Unless,maybe they are trying to convince the WoO and others they should be hired to strengthen the cages.

 


Even though I may not know you, I 
care what most of you think!

blazer00
September 23, 2018 at 10:46:57 AM
Joined: 06/10/2015
Posts: 2420
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The video wasn't posted to "impress" anyone. What I took from the video was this.......wings do save lives and help to prevent serious injury. No doubt that wings absorb a lot of the energy from reaching the cage. Plus, don't overlook the fact that Gravel's frame/cage was compromised earlier this year. And at the time it sounded like that compromise shook some people up. They sure weren't letting anybody have a glimpse of it. Have findings from that crash ever been released? Gravel's impact didn't seem all that severe.



Dryslick Willie
September 23, 2018 at 01:32:52 PM
Joined: 12/17/2009
Posts: 2235
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Reply to:
Posted By: blazer00 on September 23 2018 at 10:46:57 AM

The video wasn't posted to "impress" anyone. What I took from the video was this.......wings do save lives and help to prevent serious injury. No doubt that wings absorb a lot of the energy from reaching the cage. Plus, don't overlook the fact that Gravel's frame/cage was compromised earlier this year. And at the time it sounded like that compromise shook some people up. They sure weren't letting anybody have a glimpse of it. Have findings from that crash ever been released? Gravel's impact didn't seem all that severe.



If I remember correctly the damage on Gravel's cage came from Tim Shaffer hitting him.   However, Mark Dobmeier also had a similar issue several weeks ago and noone hit him.   I'm sure they've looked at and analyzed what happened in both instances but probably don't want to publicize it if they can avoid it.    




blazer00
September 23, 2018 at 04:13:54 PM
Joined: 06/10/2015
Posts: 2420
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Reply to:
Posted By: Dryslick Willie on September 23 2018 at 01:32:52 PM

If I remember correctly the damage on Gravel's cage came from Tim Shaffer hitting him.   However, Mark Dobmeier also had a similar issue several weeks ago and noone hit him.   I'm sure they've looked at and analyzed what happened in both instances but probably don't want to publicize it if they can avoid it.    



You're right, I'd overlooked the Dobmiere deal. As for not publicizing damage results, I guess I don't understand the purpose in that. I know the attitudes of those in charge is that far too often they think the public stupid. Well I've got news for them.....it seems we fans can pick out the unsafe areas at a race track much quicker than those in charge can. Let me rephraze that. I don't think those in charge want things pointed out to them, because they'll have to answer for not making facilities safer. Maybe the same is true for the need to retool the sprint car frame to make it safer. It hasn't been changed up much in over thirty years. Maybe take some of the $60,000 being stuck in these overpowered engines and implement a safer contained frame with better materials. I also think the upright position of the driver is detrimental to driver safety. But that's a tougher issue.



hardon
September 24, 2018 at 12:09:59 AM
Joined: 02/20/2005
Posts: 485
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Reply to:
Posted By: blazer00 on September 23 2018 at 04:13:54 PM

You're right, I'd overlooked the Dobmiere deal. As for not publicizing damage results, I guess I don't understand the purpose in that. I know the attitudes of those in charge is that far too often they think the public stupid. Well I've got news for them.....it seems we fans can pick out the unsafe areas at a race track much quicker than those in charge can. Let me rephraze that. I don't think those in charge want things pointed out to them, because they'll have to answer for not making facilities safer. Maybe the same is true for the need to retool the sprint car frame to make it safer. It hasn't been changed up much in over thirty years. Maybe take some of the $60,000 being stuck in these overpowered engines and implement a safer contained frame with better materials. I also think the upright position of the driver is detrimental to driver safety. But that's a tougher issue.



I agree with a lot this except that people in charge thinking the general public is stupid.  I think the reason for silence many times is not that they are denying there is a problem but not having a clear cut solution.  Without a total redesign of the car what is the solution here? 

If we can take away anything from the video here I think we can see there is pretty good protection in front of the driver.  Beyond that, there isn't much protection above, behind underneath or to the sides.  Which doesn't take an engineering degree to see.  There isn't anything (as far as ridgid bars) protecting the drivers and their immediate roll cage from impacts from anywhere but the front.  Thats why I say what is the solution?  do we turn modern day sprint cars into modifieds?  



racefanigan
September 24, 2018 at 08:52:18 AM
Joined: 07/31/2007
Posts: 230
Reply

https://www.youtube.com/watch?v=zm1zx4zy-FA

Here is a drop test video, this I believe shows more accurately the forces applied in a crash than the sled testing done by the same company.





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