Next time, take a look at their helmet. The rest of 'em is tied into the car very well, so you won't see it move. Watch the helmet. If it doesn't look like much, keep in mind that they're in a seat meant to help hold their head in place - and they're wearing a HANS device so their heads only go so far forward.
After 30 minutes of this, you'd have a hard time holding your head straight/up. It's fucking brutal. After 30 minutes of it, I have a hard time holding my head straight - and I'm experienced. These folks are doing two (or more) hours sometimes. It's legit brutal.
Let's see... Your head weighs 20 pounds. Your helmet is another 20 pounds. That's 40 pounds. In a 3G corner, your head effectively weighs (has the mass of) 120 pounds - and that weight is concentrated in one direction.
My head probably weighs 40 pounds due to the massive brain I carry around in there and I have a broken neck so I would not do well in the drivers seat of that at all!
Oh, man... With your broken neck? No... No, you probably don't want to try this.
I have street cars that will do all this, but have just plain seat belts. Those will beat you up pretty quickly.
The race seat and harness helps - a lot. It ties your body in with the car, so that only your appendages move. To properly wear your harness, it should be so tight that it's just starting to get painful/difficult to breathe. If a deep breath pushes against the straps and kinda hurts, that's how tight your harness should be.
That's tight!
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