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Thu Mar 01, 2018 8:57 pm |
Post subject: 6 point bolt in cage - reinforcing plates |
prophead user

Joined: 17 Jul 2016 Posts: 87 Location: Brightons, Falkirk
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I have a Safety Devices 6 point bolt in cage in my Porsche 924, came with the car, but it was never installed correctly. I'd like to rectify this. In fact, I'd actually like to weld in the main hoop feet and rear feet, and just have the front legs as bolt-in / out in case i need to remove the dash.
The main hoop feet sit on a box section of the body (see pic below), I presume I will have to weld in re-enforcing plates first then weld the feet to those.
My question is what thickness of plate should I use? And is there a specified additional surface area requirement e.g. how big should the plates be in relation to the size of the feet?
Even though this is just a track-day car I might want to enter into sprints / hillclimbs ect in the future so dont want to have to cut this out and redo it at a later date.
https://www.flickr.com/photos/144556909@N08/shares/nuF8YW _________________ Porsche 924 GT8 track day car project
Golf Gti MK4 1.8t
Porsche 944 rolling resto - sold and sadly missed
Mondeo 2.2 tdci "the diesel sleeper" - sold |
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Fri Mar 02, 2018 3:39 am |
Post subject: |
Steve H user
Joined: 19 Aug 2014 Posts: 268
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Details in the blue book regarding all roll cage requirements - Google will bring up a link to it. |
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Fri Mar 02, 2018 9:48 am |
Post subject: |
prophead user

Joined: 17 Jul 2016 Posts: 87 Location: Brightons, Falkirk
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Thanks, found it.
Each mounting foot must be attached by at least three
bolts, minimum M8 150 grade 8.8, on a steel
reinforcement plate at least 3mm thick and of at least
120cm2 area which is welded to the bodyshell (see
drawings K13 to K18). The mounting feet may
alternatively be welded direct to the reinforcement
plate. This does not apply to backstays (see 1.3.3). _________________ Porsche 924 GT8 track day car project
Golf Gti MK4 1.8t
Porsche 944 rolling resto - sold and sadly missed
Mondeo 2.2 tdci "the diesel sleeper" - sold |
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