"Gray-Outs" on Coasters

Friday, June 21, 2002 4:33 PM

I have heard people reporting "gray-outs" on certain coasters. All of them seem to share common symptoms such as seeing "stars", haziness or complete loss of peripheral vision, or just a general "fuzzy" feeling in the head.

One thing that I found interesting is that all the cases I've read occured either on the helix of a coaster, or descending from a vertical loop. They also reported that these sensations stopped as soon as that particular portion of the ride had ended.

Has anyone else here encountered such things? On what coasters & elements thereof? Is there such a thing as G-force tolerance that's greater in one human body over another? What are your thoughts?

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Friday, June 21, 2002 4:35 PM
The only instances I can remember it is on Tennessee Tornado's butterfly inversion and on Top Gun's batwing. Every now and then Top Gun's batwing will make me lose my vision for a split second :)

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|| Jonathan Hawkins ||
http://www.starcoasters.com
Top Gun: TJC flights - Approx. 287 (101 in 2002)

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Friday, June 21, 2002 4:40 PM
Gray-outs and black-outs are known to be G-force related. You could ask any pilot. And yes, some persons have a higher G-force tolerance. You can also control it yourself: if you know where on a certain coaster is a part where you really pull some high G's, just take a deep breath and put some pressure on your lungs. This causes your body to quickly 'inject' your brains with oxigen-saturated blood, which keeps you (more) concious.

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This season:
1 park
15 rides

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Friday, June 21, 2002 4:54 PM

About 5 times out of 10, on Thunderbolt, the old rough double looper at Dreamworld, I experience this. I suspect it is experienced by almost everyone on this ride, as I know I've got greater g-force tolerance than most people.

On this ride, it isn't purely caused by the near-circular loops. Rather, the roughness (track joins that aren't straight, and non-existant suspension system on trains, with wrongly aligned wheels), combined with the unique restraint system that pins you down, hard and tightly. I'll just give you a tour of the restraints.

They consist of smaller than usual OTSR, which only reach about the middle of my ribs. The axis is down lower than most rides, and so it presses against most peoples shoulders. Taller people (I'm something like 5'10") find that they've got the bottom of the restraint against their uppper chest. Regardless of size, you'll find yourself pinned down to the seats, which aren't padded.

Anyway, this "pinned-downness" combined with roughness and positive Gs in the 5s causes a very painful experience. You can feel your eyeballs bumping around. It gives me a short headache until after the loops, where it is usually alright.

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So what if the best coaster in Australia is a second hand Arrow?

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Friday, June 21, 2002 5:08 PM

I happened to me on the first flat turn on Millenium Force. It was so fast and latreral that I saw little stars. Wow what a great ride.

(BTW-This is a topic about graying-out. Don't changr it to the topic of Millenium Force.)

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Friday, June 21, 2002 5:12 PM

I had a grey out on Shockwave at SFGAm. Very minor, but it kind of scared me. I was like, "Agh! I can't see!" lol It was a combination of the sun being in my eyes while doing all those loops in a row that did it for me.

By the way, Millennium is spelled with 2 n's. :)

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-Eric
Indiana Beach Online | LoCoSuMo Count: 1

*** This post was edited by Glitch01 on 6/21/2002. ***

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Friday, June 21, 2002 5:20 PM

I have grayed out on Apollo's Chariot during the helix and on Alpengeist coming out of the first loop. It has also happened to me during the helix on Superman Ride of Steel at Six Flags New England. Interestingly, it only happened to me on one ride out of several on Superman.

In all cases my vision became dimmer as the g-forces increased and then my vision normalized gradually as the g-forces decreased, all in a matter of a few seconds.

Does anyone know if this has ever caused anyone to completely black out or have some other serious problem beyond the seemingly harmless graying out that many of us have experienced?

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Friday, June 21, 2002 5:21 PM
I have greyed out on Top Gun: The Jet Coaster's batwing element.


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-Hurler Crew 2002-

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Friday, June 21, 2002 5:23 PM

The vertical loop on X Flight ....now i know to breathe and prepare myself, but the first time i rode that thing, i blacked out coming out of the loop, because we were riding in the back car, and the G's were INCREDIBLE. And im not talking about seeing grey, im talking it was pure BLACK !!! :)

And i posted this on another thread, but Millenium Force made me see stars and planets at the bottom of the first drop, right before the overbanked turn.

You guys might laugh,but one that gets me every single time, and i dont know why, is Face Off at PKI. When the train enters the cobra roll *&(#&^$ thats what i see in front of my eyes...LOL

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Friday, June 21, 2002 5:28 PM
So many people gray out on Top Gun's finle helix over the lake. Being banked 90 degrees and zooming by at around 30-35 mph is a freaky element but that signature of Top Gun can really have a down side.

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Lake Compounce-So Fresh and So Clean Clean

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Friday, June 21, 2002 5:29 PM
About half of the time I experience a "gray-out" when I hit the bottom of the first drop on MF. I'll have to try Helios's technique though and see if this still occurs.
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Friday, June 21, 2002 5:36 PM
Ive been known to see stars, get tunnel vision and grey out on Nitros helix. I also black out (or dark grey out..lol) exiting Batmans first loop... Its soo intense.. In every car for that matter!
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Friday, June 21, 2002 5:43 PM
Please spell Millennium Force right...............it is bugging me greatly.......

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Good Times!! Good Times!!
-Patrick

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Friday, June 21, 2002 5:51 PM
How dare you misspell Millennium Force? Ill have you hanged for such dispicible nonsense. ;)
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Friday, June 21, 2002 6:01 PM
At the bottem of the first drop on MF(it's so much easier to say MF, isn't it?) I occoasionally "grey out". Yes that is a great ride!!!

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KoRn is the Mellennium Force of ROCK

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Friday, June 21, 2002 6:07 PM
I've never even come close to "graying out" but I do get motion sick very easily and I have to really be careful at parks, that I don't get sick.

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Friday, June 21, 2002 6:07 PM
After 8 laps in a row on Goliath, I started to get some tunnel vision on the helix. It was great!

cdrpointcrazy4, If people misspelling the name of a coaster upsets you enough to make a post about it, you need to get out more. It's just a name.

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Nothing... NOTHING... can prepare you for... the Fourth Dimension!

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Friday, June 21, 2002 6:08 PM
I've never grayed out, but it is due to high g force. I bet it happens a ton, and it scares the crap out of people. Don't start a flame war over spelling please.

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HuKeD oNN fonickS dusinT wOrK"[;.

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Friday, June 21, 2002 6:18 PM

My first ride on MF, I blacked out from the first drop until the bottom of the 2nd hill..I don't know why and I can't remember that part of the ride..I remember going up the lift hill and looking out at the bay and lake, and then I remember coasting over to MF island and the ride back..that's it...:(

So when I go Tuesday, hopefully it doesn't happen again.

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Friday, June 21, 2002 6:56 PM
Sometimes, entering batmans helix, i gray out. I havent in while though.
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