Good advice 
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Better at night but keep an eye on the weather. Better to ride in the morning than not at all, and given afternoon thunderstorms that can trail into the evening, some days it may end up only being open in the morning.
ETA: Itās fantastic in the day, too, and there are some sights that are better seen in the day. But in general nighttime is better for coasters.
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Thanks for the information and articles!
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I RDās both times. For this ride I donāt know if darkness is capable of making it better. Front row is far more intense though. Hagrids is definitely better at night so maybe it is too. Let me know if anyone has compared so I can add it to the bucket list.
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Thanks!
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My husband is like @gingerSnaps543222 ! He doesnāt black out a lot, but he did on Hulk last visit. No issues with Velocicoaster!
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Hulk has particularly high G forces. Most newer coasters try to avoid higher G forces while still creating higher levels of thrill. However, even a lower G force, if prolonged, can lead to gray outs. Black outs are more rare, and generally a sign you shouldnāt be riding.
I have only grayed out once, but it was on a high G force moment on a coaster while my blood sugar was running low (didnāt realize it until after).
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Yeah I have a sneaking suspicion blood sugar is part of it for me. For example this time I didnāt gray out on RRR but I did last time when I rode it in the early afternoon (like 1pm ish) and hadnāt eaten breakfast since like 6 or 7 am. I rode RRR first thing this time and was fine.
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I went to UOR in December with DS13. I have always loved coasters. I rode Velocicoaster followed by Hagridās. Part way through Hagridās I thought for sure I would throw up (it was mild on Velocicoaster, but holy crap I thought Iād embarrass the hell out of myself on Hagridās and it was very close). I was so afraid my coaster time was over. Then I realized I hadnāt had a real meal that morning, just a granola bar. Turns out Iām just too old to do coasters on an empty stomach.
Next day, ate a decent breakfast and headed straight for Hulk, then Velocicoaster- no issues.
Funny enough, Iāve never blacked out on the ride, but I have waiting in line. Hot day at Six Flags, passed out cold. Heat will do it to me every time.
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I think I do the gray out thing on Hulk too. I start to lose feeling in my feet and just feel fuzzy. I donāt ride RRR anymore because it gives me a headache. No problems on Hagrid, and I rode Rock n Rollercoaster last month and was fine. Iām definitely going to try Velocicoaster in April but idk if Iāll ride Hulk (sad because I love itāDH and I rode 3 times in a row with Express Pass one visit.)
I know this is an old thread, but as a former roller coaster operator the vasovagal faint is pretty common on launched coasters and/or pretty much any coaster that goes over 80mph. Generally speaking, in my experience people who have a history of fainting while riding should expect it might happen any time you ride those types. Iāve talked to a guy who rode Millennium Force (300"+, 93 mph, no launch) all the time and he said he fainted some of the time but not all of the time, even on several consecutive rides. Heād been to doctors to get his blood pressure and heart checked, and everything looked good. He could never sense any pattern to when it would or wouldnāt happen, but that was the first one it had ever happened on.
Interestingly, it never seemed to happen on Wicked Twister, which was a launched coaster (0-60mph in 2 seconds, with several subsequent launches up to 72mph). If it ever did happen then nobody ever mentioned it to the crew. That ride, for all itās launching and twisting, seemed to be really, really easy on the bodyā¦ nobody ever threw up or pooped themselves either. The only bodily weirdness we ever noticed was with people getting out of the seats and having their feet be pins and needles.
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We did the VIP tour last trip. Our guide told us that Incredible Hulk Coaster was purposefully designed to push your limits. She said the average person blacks out at 5Gs and you pull 4.5Gs (positive Gs) on Hulk. So for those of us on the end of the bell curve like myself we black out. However, VelociCoaster was designed to have a negative gravity effect, aka you come up out of your seat and float, and therefore does not make you black out even if youāre on the ends of average. Thought that was a fun physics fact.
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The G forces on Wicked Twister (and Top Thrill Dragster, actually) are quite tame compared to many coasters. Most G forces come when you quickly transition in tight curves or at the bottom of a hill as it goes back up. Bottom of the first hill on MF into the turn, for example, has fairly high G forces (4.5 Gs) because of the transition at a high speed that is sustained for more than a brief moment.
Iāve only experienced a ābrown outā once on any coaster, but it was during a time period that my blood sugar was low (didnāt realize it until afterwards) when riding Viper at Six Flags Magic Mountain.
Interestingly, Disneyās Rockinā Roller Coaster does 5 Gs. I donāt think it is during the launch, though. (Not 100% sure.) Usually launches themselves donāt have terribly high G-forces. TTD doesnāt even really go over 3 Gs on the launch
So Iām doing Velocicoaster in 57 days as my very first ride. I havenāt ridden a roller coaster more intense than Disney in 18 years or so and Iāve never been a fan of roller coasters that just go straight down big hills. I love inversions, but Iāve always had the comforting presence of the overhead restraint. I watched a front seat ride POV video of Velocicoaster with huge eyes, fast heart rate, and saying āthey canāt possibly be doing that with just a lap restraint.ā Iām both terrified and very, very excited to ride!
So what Iām gathering from this thread is that I should eat some peanut butter toast beforehand, make sure Iām well hydrated, wear a motion sickness band (though possibly mainly for Hagridās), donāt hold on too tight, and scream with both my heart and my lungs. My plans afterward are to sit for a couple of minutes and contemplate my life choices. 
Also, I watched a video yesterday with a couple who got a preview ride last year who are self-described ānot roller coaster peopleā (one who gets motion sickness) and they broke down how they felt at each ride element. Iām going to be fine and canāt wait.
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Thatās the one that did me in, but I didnāt know it was a launch and was looking to my left when we took off and definitely had some kind of vasovagal impact as a result, spending the rest of the ride trying not to pass out
did you poop yourself???
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ābrown outā is a term when your vision goes dark, but not a complete black out.
eh, where I come from it could definitely mean pooping
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Sometimes people use the term āgreyoutā instead of ābrownoutā. Maybe thatās why! 
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