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08-20-2012, 01:45 AM | #1 |
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temporary roll cage or not set in stone?
Hello Everyone
I was curious if there were roll bars that were temporary and not permanent. I love the practicality of my e92 and would hate to lose backseats to a track hobby if I'm not dead set on making the investment. I'm a total track newb but want to be safe. Are there any options for me? Thanks Jon
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08-20-2012, 02:53 AM | #2 |
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You can find one here:
http://www.m3post.com/forums/showthread.php?t=648648 This would be useful to fix a racing seatbelt harness.
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08-20-2012, 08:20 AM | #3 |
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^But that's not a roll cage or a roll bar. I too have wondered whether there are roll bars for our cars. I know they make them for Caymans etc. so you can remove it at some point if necessary.
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08-20-2012, 08:33 AM | #4 | |
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A proper rollcage is normally welded to the chassis, or at least screwed in. Didn't know there were "on-the-fly" removable ones.
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08-20-2012, 08:43 AM | #5 |
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Well they have to weld plates to the car generally, which you bolt the bar to. But the plates can be removed, at least in theory.
Like this: http://www.planet-9.com/cayman-boxst...available.html |
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08-20-2012, 09:00 AM | #6 |
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Yes and this decreases safety unless it's an ASM design. And even if it is, there are groups that won't allow it on track. Oh and you should have equal restraints for both sides.
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08-20-2012, 10:40 AM | #7 |
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I wouldn't use it on my car.
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08-20-2012, 11:01 AM | #8 |
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If you're a noob going into this sport EXPECTING to roll your car hard enough to require a roll cage, you probably shouldn't try it in the first place. No offense.
This "sport" isn't nearly as dangerous as you make it out to be if you properly mitigate the risks involved. Start with an organizations that's been lauded for its long history of safety, work your way through until you've gained enough knowledge to be dangerous, then you can choose to go to the lapping days and drive "flat-out" to your heart's content. Then you can make a determination of whether or not you want to risk your life every weekend, or if you want to walk away from the inevitable. And I'll bet at that point your car will be so far removed from being able to be recognized as a stock M3 that the point of a permanent cage or a bolt-in one won't even cross your mind.
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08-20-2012, 11:06 AM | #9 | |
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Quote:
Thank you all for your comments. We, newbs, appreciate your experience.
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08-20-2012, 12:32 PM | #10 |
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There are numerous shops which make roll bars, cages, etc which can be bolted into your car, and ultimately removed if you want to sell your car. Very little alteration to your interior. Your being in Calif should be easy for you go find several sources. Be aware, any bolt in is no substitution for the real deal.
Good luck. vz
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08-22-2012, 07:29 PM | #12 | |
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And at the point when you will need roll protection, get at least a half cage/roll bar from a REAL racing team with proper reinforcements. I've seen way too many half-assed, temporary/removable designs out there that make absolutely no sense at all and would probably do more harm than good. |
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08-23-2012, 10:36 AM | #13 | |
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Not sure why you'd wanna remove it from a Cayman to begin with. Just get a clear engine cover and add some paint to the valve covers and it would look awesome! It is however easier to remove in a Cayman as its really a hatchback. The rear just mounts to the strut tower.
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08-23-2012, 10:45 AM | #14 | |
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You really have to irrationally want to race an M3 in an amateur series and have the bankroll to support it... could have more fun in something cheaper and purpose built |
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08-23-2012, 11:33 AM | #16 | |
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Quote:
Granted the E90 M3 started its life as a totaled/salvage title thus making it somewhat financially feasible. Somewhat.
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08-23-2012, 11:49 AM | #17 |
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08-23-2012, 01:05 PM | #18 |
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Sure I agree. The OP seemed to want something that he could remove/replace more frequently than a few times a year.
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08-23-2012, 01:18 PM | #19 |
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12-25-2012, 01:26 AM | #21 |
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Since it's bumped already, how strong/useful are bolt in cages vs. a true welded cage?
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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12-25-2012, 09:18 AM | #22 |
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Bolt in cage - minimum legal requirement for racing
Weld in cage - safety of occupant number one priority You won't find data because none exists. Cages are fabricated custom based on what holds up in crashes. It's an art AND science, but more an art. A good cage builder will have seen hundreds of crashed cars, but likely never see any crash data other than g's on the car during impact. If you want to be safe, get a proper custom built cage welded in with proper NASCAR bars, gussets, and foot protection. Anything short of that, I say, keep the air bags and millions of dollars worth of crash data on your side in the unfortunate event of serious collision.
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