Graying Out/ Blacking out

Does anybody else ever experience a "grey out" on a certain coaster? If you've never heard of a grey out, its when your body or something cant handle the G forces and you start to see grey. This happened to me every time I rode MF last Sunday going up into the overbanked turn. It also happened going up into the first inversion on gatekeeper. I was pretty tired that day, maybe that had something to do with it..

I had it happen on Mantis a long time ago. I won't go on it now that I'm on beta blockers, I figure it's just not a good idea. If you were dehydrated that would not have helped any.

I blacked out on MF about 2/3 the way through the first over-banked turn after the first drop. I didn't come back to until the train entered the tunnel. And the airtime on the hill really brought me back to normal.

I get that on the first hill of MF. It scared me at first, then I heard other people talking about it when the were exiting the ride.

I get it at the exact same places. On the overbank on Millennium and the immelman on GK.

I've gotten that on Millennium plenty of times, but never on any other ride

Outside of the MF, I only remember getting it bad on Back Lot Stunt Coaster at KI at the beginning.

I have on Millennium on the overbanked turn, Gatekeeper on the immelman, and Raptor after the loop, but before the zero g roll. It's quite common

Anyone here been on i305? I hear that's really bad.

I305 is probably the most g-forces ive experienced on a ride. If the turn at the bott of theh first drop was any longer i would definitely black out every time.

i305 gets me to grey out, and once in a while I'll get it on BLSC at KI/CW.

I grey out on MF every time I ride it. I never really thought much of it until I heard other people talking about it.

I gray out on Backlot Stunt Coaster (Kings Island/Dominion) which is pretty pathetic. It has a pretty fast takeoff, but it makes me nervous to ride Wicked Twister now because I never had that issue a few years ago :(

How is the greying out on i305 compared to MF?

I grayed out for the first time on I305, MF had never bothered me. Later that year was the first time I was able to ride MF several times in a row. If I don't change seats/areas I will grey out after several rides. I have blacked out twice on MF and came to near the tunnel, I couldn't lift my head back up until after the first hill. That was a little scary, so now I make sure I drastically change areas if I ride several times in a row, when the exit gate is open.

The only time I've blacked out on a coaster was on i305. It was after the first drop nearing the end of that turn and after that I don't remember much. I went 'somewhere else' (I was dreaming while I was out or something) and when I woke up I was really disoriented and it took me a while to figure out where I was. Apparently I held onto my restraint the whole time but it was scary and I haven't been on since. It definitely "intimidated" me ;)

I too grey out on certain parts of MF but it goes by fairly fast.

It happens to me all the time on MF. I just shake my head a lot and it stops. lol.

@RCoaster10 MF doesnt even compare to i305 in terms of greying/blacking out.

I grey out on almost every coaster. Even the first drop of Gemini got me last week.

I do not mind, though, as I like the feeling.

My niece blacks out on MF and wont ride it anymore. Seems to be the only ride she has trouble with which sucks because it is one of my favorite rides