07-12-2020, 12:18 PM | #1 |
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Safe cage install
What's up guys!
I'm quest for speed and safety I've come to a speed bump. I purchased a bolt in cage from someone. I won't name the cage or the person cause they've done nothing wrong. I didn't do my HW first. The cage basically just bolts to the floor pan behind the front seats. If you know our cars you know that metal is thin AF. I want the cage for proper mounting of harness's and for some added roll over safety. I want your opinions from people who have properly caged our cars about where to tie in a 4pt cage properly and safely. Thanks |
07-13-2020, 02:29 AM | #2 | |
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Most bolt in rollbars tie into the seatbelt mounting points or nearby. The thiness of the metal is not necessarilly an issue so long as the load is sufficiently spread out (with backing plates if necessary). Also could be a part of the body made with very high strength steel (for example). See the Weichers design for example that uses plates screwed to the seat mounting points in order to spread the load and lower the bar legs (it can be optioned with a harness bar). https://www.facebook.com/tmmotorspor...3124698835944/ or which goes in the kick up for the fuel tank (geometrically strong) and near the rear craddle mounting (also strong). https://www.facebook.com/AlphaNPerfo...0524996072945/ The good thing about German designs are that they need to have a TUV aproval that gives some sort of safety quality control. Edit: also a good design http://shop.mkr-engineering.de/Clubsportbuegel_BMW_M2
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07-13-2020, 07:59 AM | #3 | |
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Roll Bar/Cage
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At a Point above 7,000 RPM.
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07-13-2020, 08:43 AM | #4 |
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Whatever you end up with make sure there is no conceivable way your head could hit it if you get in an accident on the street. Running a cage with no helmet on will kill you if there's contact. BSCI padding likely isn't going to save your noggin if it hits w/o helmet.
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07-13-2020, 09:25 PM | #5 |
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I dont think the falline one is made anymore.
I really like the one that mounts to the rigid metal of the back seat tub. That would also be easy to make myself. I will absolutely make sure my head is clear for street driving. Thanks guys! Would love to see more options and opinions about this. There is a lot of bad design cages out there. |
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07-13-2020, 09:38 PM | #6 | |
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At a Point above 7,000 RPM.
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07-15-2020, 11:43 PM | #7 | ||
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07-17-2020, 12:53 AM | #9 |
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07-17-2020, 12:44 PM | #10 |
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Go 6, it'll be more comfortable! Also, I'd get a 2" vs 3", and pull down waist instead of pull up. All the brands are comparable assuming like hardware, sizing, etc.
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07-18-2020, 06:27 PM | #11 | |
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