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Backdraft crash on YouTube
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Yeah, this one came up before. Watch the slo-mo, and two things really jump out at ya.
1. Passenger seat belts are flying all over. 2. Drivers right arm and hand are up over his head. At one point, it even looks like his hand is dragging on the ground. I wonder where his left arm/hand is? |
Sorry if this is a redundant post. Crash on YouTube was new to me and I check in on the computer too much now that I have retired.
I am glad nobody was seriously hurt. Has a post mortem on car revealed anything? Russell |
This was new to me also. I am glad to see the roll bar held. I have been concerned that the stainless steel bar that looks good may not hold up in a crash.
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The Go-Pro and driver were ok.
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Scary since I have the same suspension-the Arm looks intact with the frame mounted bracket that holds the arm to the chassis ripped off??? I saw this before but never saw this shot. On my BDR the nuts/bolts loosened with around 1000 mi of street driving on them, the car was steering from the rear and we found that the nuts were loose. Got in the habit of checking those often-not sure if you could weld that connection? Or is this an area for allignment adjustment?
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Was this the driver's rear wheel and suspension?
Did trailing arm fail? |
RP yes it is...scary, same as yours/mine...I even have the exact same tires! Like I said in my post, the arms came lose on mine so I keep an eye on them.
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In the video it appears as if the arm fails and actually launches the car up as it rolls underneath.
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What was that at 1:20?
Looked like a cup of water. |
I guess that is why NASCAR uses middle 1960's Chevy pickup truck trailing arms and Ford 9" pumpkin.
Gotta be tough stuff! |
Cup at 1:20
Quote:
Russell |
Does anyone know the build number of the car? The early BDRs (around pre-230 or so) need to have the mounting bracket reinforced with gussets welded on. Mine is 226 and I emailed pictures to Jay and he confirmed that it needed the gussets. I contacted BDR and they shipped the gussets at no charge. Of course I had to get them welded on. There are posts on the BDR website that discuss this. If it is a later model then I would hope BDR would look into this type of failure.
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I don't think it was any type of failure of the trailing arm itself. BDR uses BMW E36 rear trailing arms including the mounting BMW RTAB and mounting bracket. I could not even imagine how many tracked E36 are out there getting beaten on. An E36 must weigh 1000 pounds more and I would trust BMW engineering, testing and durability over many replica suspension parts. But..the gusset of the BDR frame that the RTAB bracket mounts to could have very well failed. I do remember seeing somewhere pictures of problems on earlier cars. I beleive BDR notified these individuals once this issue was discovered and was corrected on all later cars at the factory.
Do we know if the bolts had been properly checked and torqued prior to tracking? Had the car had any prior accidents or suspension alterations? I am glad that he was not able to drive faster than his guardian angel could fly. I am very glad that he was able to walk away. |
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Thanks for all the information. My car, 874, never has seen a track and very occasional spirited street driving is all it gets.
I see the 3 series BMW on all sorts of racing on Speed TV, so it has to be sturdy and safe. I certainly did not mean to offend anybody and, if I did, I apologize. Happy motoring, Russell |
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