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Author: Subject: Roll Bar height
RK

posted on 23/5/07 at 08:24 PM Reply With Quote
I had thought of that. I had a bad accident a couple of years ago actually, where I was hit in the rear quarter panel, and the hit my head took onto the Headrest, gave me a concussion, post-concussion syndrome etc. Not fun and the pills cost a fortune.
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JoelP

posted on 23/5/07 at 08:31 PM Reply With Quote
quote:
Originally posted by RK
the pills cost a fortune.

what you need is a free national health service!

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Alan B

posted on 23/5/07 at 08:40 PM Reply With Quote
quote:
Originally posted by JoelP
quote:
Originally posted by RK
the pills cost a fortune.

what you need is a free national health service!


I thought Canada did?

Or freeish at least...

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RK

posted on 23/5/07 at 09:12 PM Reply With Quote
Not for drugs. Anything else, yes. For example, when my hand was broken in two from a mountain biking accident, it was repaired the next day!

Some oldsters can be covered for drugs by their provincial plans (Quebec does it for example), but not for tax paying people of a certain age.

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JoelP

posted on 23/5/07 at 09:24 PM Reply With Quote
ah well, you still have to pay for drugs round here too...

(poor joke, i mean 'recreational' ones...)

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C10CoryM

posted on 24/5/07 at 04:01 AM Reply With Quote
Have a look at the SCCA or FIA rulebooks.
SCCA is online and has a good write up on rollbars/cages.
I know a rollbar has to be 2" above the helmeted head for SCCA. It works for me because that gives me the minimun required angle between the main hoop, and the down tubes (30 or 35degrees, I forget).

Im of the mind that rollbars and knee bars are best for the street. And full halo/cage is best for track where you have a helmet, GOOD padding, and a neck protector of some sort. No point caving your head in on your "safe" roll cage on the street.





"Our watchword evermore shall be: The Maple Leaf Forever!"

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worX

posted on 24/5/07 at 11:11 AM Reply With Quote
dimensions...

Hi again Adrian,

I have estimated where I think the front diagonal should start.

The one I have is nearly in the middle, and I think that to get the diagonal to be Centralised at head height it would need to be moved over around 90mm, but to err on the side of caution (to give the driver a touch more room than the passenger) I would suggest around 65mm toward the Driver side!

All this can be checked however just to ensure it is still correct for you, by just doing a mock up. You could use welding/brazing rod/wire etc for this?

With regard to Cory's post, if you want to make it comply with that SCCA Reg. My NON helmeted head is about 65mm below the Bottom of the roll bar (50mm tube as above) and therefore helmeted head is probably 25-30mm below the bottom of the tube.

I don't know any of the rules and regs of the SCCA or FIA, but at least you have a (sort of) datum point if you want to find out yourself!

cheers,
Steve.

edited to add: PS - Spiderman 3 was a big pile of poo (of the poo-est kind too!) and thats coming from a pretty avid Spidey fan!

[Edited on 24/5/07 by worX]






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bpgoa

posted on 26/5/07 at 09:05 PM Reply With Quote
ordered

as per spec, but changed to 50mm cds..

will let everyone know the cost ... later







On and On the River flows... We the Undertow

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t.j.

posted on 27/5/07 at 10:09 AM Reply With Quote
quote:
Originally posted by JoelP
ah well, you still have to pay for drugs round here too...



Drugs are freely excessable around here if that's the problem. But i'm sure it won't make you happy on the long run.

[Edited on 27/5/07 by t.j.]

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