Quote:
Originally Posted by ZDan
Do you have data to back this up?
I agree to a point, but the question is, what is the actual increased risk?
I think that the added risk (for front-seaters) is often tremendously exaggerated.
It's not as black and white as you're making it out to be. I think it's absurd to assume that a roll bar in a car like a Miata can do no good whatsoever in a rollover if you don't have a harness. You're most likely going to be better off with some structure supporting the cabin area in the event of a rollover even with no seatbelt or harness. How that benefit weighs against increased risk of whacking your head on the bar is the question. This will be *highly* dependent on the specific application as well as the exact nature of the incident.
%
I see a lot of absolutist claims around this issue, very little data.
Show me the statistics regarding injuries from incidents with roll bars and 3-point belts vs. no roll bars with the same belts, in multiple different applications including open cars and older cars with little rollover protection.
Blanket statements are easy to make and easy to believe in. Doesn't mean they are always (or even most of the time) right...
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this whole last page has been about how i dont have any data. were talking about peoples lives here so we cant exactly perform prospective trials. all we have is what has already happened but we cant isolate any variables in a world we cant control.
i will say that at least 95% of people will have their head above the line intersecting the rollbar and top of the cowl and even more once forced away from the seat. a rollbar will only protect things under that line in the event of a rollover