Simple, have your friend drive your car while you ride shotgun.

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Ok, but only for science

 

Probably just G forces

 

its just the G Forces. My wife screams and hate the "feeling" from the G forces upon hard acceleration. she likens it to being on a roller coaster lol

having said that, driving a GTR and being a passenger are two different things

when i drive i dont feel it, but jump in the passenger seat and i too feel the g force of the accelartion.

 

Ah, there you have it then

I want to experience that feeling now... I'll have a friend drive my car and see what it's like!

 

When you're driving, you know when to expect the acceleration. Also, you're focused to what is going on with the car. This dampens your experience.

 

^Exactly. As a passenger you are not ready for acceleration/turns because you are not in control of it. This how people get car sick when they read because their body feels the movement, but they're eyes and other senses show no indication of this movement. When driving it all feels normal and fun though.

 

LOL this happens to me all the time......when I get on it.....light headed.....it's crazy.

 

happened to me when i was the passenger in my buddy's supercharged m3 at a track going 160mph on the straight.

 

My wife gets motion sickness all the time when I take her thru the mountains in my GT-R. Even at only 6/10 or 7/10, I try to take it easy for her but she still feels sick. Of course it's much different as a passenger rather than driving.

 

Everyone is basically on the right path of explaining this. Keeping it simple, our brains have a pathway to prepare our vestibular system for movements. It is very interesting that someone can experience the exact same movement and when they know it is going to happen they don't get sick but if not then they get sick. I have never found a good medical explanation for this but there must be a conscious supratentorial inhibitory pathway controlling the vestibular system.

 

I guess its the same reason you can't tickle yourself. Anywho, yeah when i let my buddies drive im always holding the oh sh1t handle. When I drive they do the same.

 

I'm very susceptive to this and why I don't ride with anyone during track days. It doesn't matter the car either. I can drive 155 in a GTR just fine but I get deathly nauseous riding.. Happened recently even in a friends damn mini cooper on track. So a few laps of me as passenger in any car on track or hard driving im dry heaving for 10 mins after 3-4 laps

Its weird I guess it affects some people differently but I just kills me

 

got the same feeling as the driver the first time I hit the gas pedal hard from standing still, it wasn't even in LC mode, just flooring the pedal and for a second or two I feel dizzy, or that same feeling where u looked at the computer screen all day and suddenly look up into the distant. I guess in my mind I wasn't "prepared enough" for how fast it can go. My girl however, has never complained about being dizzy, she just says that her head is being pushed against the seat and no matter how hard she try she can't move it forward.

 

I've had that feeling as the passenger in a well driven NSX going around the track, but cannot say it's ever happened to me being a passenger with any amount of straight line acceleration. The NSX episode was a strange and rare one, but I remember getting a headache and feeling a bit nasceus...definitely not fun!!

 

Probably g forces affect on inner ear equilibrium (someone said this in words way over my pay grade) - the Veyron has been accurately measured at nearly 1.6g for its 0-60 (IIRC 2.4s), so the GTR is probably pushing 1.5g (1.3-4ish? I have never looked at the g reading on the console screen) stock. Most people rarely experience 1g... However, since the g forces are a horizontal g to a person sitting in an accelerating car, it isn't an upward g meaning it's NOT causing blood to flow from head toward feet... Which initially would cause dizziness so it's not solely effects of g force. Horizontal g's are fine for most people. Soooo... I suspect it really has to do with unusually high brief shock-like acceleration g on inner ear equilibrium ... Inner ear equilibrium imbalance causes motion sickness....a symptom being light headedness/dizziness, which if it lasts causes nausea. Why if someone doesn't normally get motion sickness? The g from acceleration throws off inner ear balance with a much faster but temporary force than we are used to with some people more sensitive to it than others.

 

I'm hard on the brakes when I'm the passenger