More intense launch, #16 or WT?

Hmm...Yea, If it was 0 - 120 in 2.8 seconds, There would be no point of such a long launch. The rest of the launch would be pretty much useless. The train would get up to speed and just maintain it.

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- Dennis

rollercoastO3 said:
Xcelerator gets going 82 mph in 2.3 seconds, and HyperSonic XLC goes 0 to 82 in 1.8 seconds. That has to pull several g's, I don't know if there is a way to figure them out or not. I have to think that #16 will be in the same region.

To figure it out you figure out how fast it launches in one second (we'll use Xcelerator as an example). You take 82 diveded by 2.3 (35.6521...). Gravitational acceleration is about 22mph faster each second. So Xcelerator is about 1.6 times faster (35 divided by 22) than gravitational accleration which makes it about 1.6 G's. I think this is right anyway.

Hypersonic pulls 2
Dodonpa pulls 2.7
*** This post was edited by RllrCstrDude187 12/3/2002 4:36:29 PM ***

Well what if CP wants riders to experience 122 mph for an extended amount of time? Last I checked, it's a lot of fun going 122mph when the only thing holding you down is a restraint!

But, perhaps it won't have fast acceleration, just a fast top speed. And what's up with the post Jeff posted and gemini quoting it? If that's accurate, then I suggest that this post I posted be deleted and the one by gemini! I don't want this to leak out before it's suppose to.
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Oh yeah, if there's bugs on your shirt, you had a good ride.

Thank you Jeff for your work to make and run this site!

That was a hoax...notice it said ".Jeff" not just Jeff. As to the accuracy of the info however...

If the ride launches the train at 0-122, the footage needed is exponential. The length of the straightaway is so that the G-load isn't too much. If the launch was from 0-122 in 250 feet, then the amount of G's due to acceleration would be enormous. As it accelerates higher, it travels over the track faster, eating up more track as it goes.

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Launch: Tophat: Twistage: Brakes...

...Denial is an ugly thing.

It would provide 2 Gs CP Bound ..and explain to me what you mean by eating up the track? Listen i myself am a drag racer and i can tell you i have gone over 180 mph and peaked out at 5100 rpm and that is just bearings on the crankshaft not rotating parts. So tell me what do you mean by eating up the track

Hey coaster dude, the way you find out speed to time is by this formula: Velocity = (the square root) (accelleration) x (distance) / 1/2 then pluging your calculated velocity and distance in this formula (Time = Distance / Velocity. Not +22 mph each second. its exponential not constant. and also the launch vector is perpendicular to gravity so how would it have any influence on the launch?
*** This post was edited by Fluidcoasters 12/3/2002 5:28:18 PM ***

The ride going 122 mph will top out at 178.9 ft. per second, but the time it takes to get up to that fast would cover much longer than 250 ft...

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Launch: Tophat: Twistage: Brakes...

...Denial is an ugly thing.

Where is your proof? here is mine! Velocity tops out at 122mph/54.5 meters per second. It takes 2.8 seconds to get there. Now scince the acceleration is consistant as with all mechanical launch devises are, then you must use average velocity which is found by taking Initial Velocity (0) + Final Velocity(54.5m/s) / 2 = 27.25m/s. Then take you basic velocity formula V=D/T and derive it by multiplying both sides by T. So now you have Distance = Velocity x Time. Now plug in your numbers Distance = 27.25 x 2.8. The distance comes out to 76.3 Meters converted to English: 250.3 feet. Trust me check it out for your self.

Fluidbound,

You guys are giving me a headache.

MrScott

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"If we go any faster, she'll blow apart for sure!"

LoL...Wow, I'm not even going to try to understand that. I suck in math. or physics.

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- Dennis

I did the simple conversion of taking 122 mph and converting it to feet per second [122m/1h]x[1h/3600s]x[5280ft/1mile]. Now I know that your forumla works because it's basic phyics.

I just used WT with 500 and #16 with 1000 as an example. I'm not sure what the actual figures are, but I'm certain that the ride's launch area is much longer than 250ft. Perhaps CP's coaster won't have the same amount of G's as Xcelerator. We will see.

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Launch: Tophat: Twistage: Brakes...

...Denial is an ugly thing.

I know that I'm glad that I'm not in school anymore. You guys rock!

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"If we go any faster, she'll blow apart for sure!"

Well i can make it simple if the launch length is as long as tower is tall, then the launch will accelerate at 1 g. If the launch length is shorter than the tower is tall then it will accelerate at more than one g. Half of the length of the tower would be 2 gs. and if the launch is twice the length of the tower's height then it will pull 0.5 gs which to be quite honest it looks longer than it is high. I explained this with numbers and formulas earlier this is just so everyone can see my perspective.

The Xcelerator launch is something less than 160' I believe going 0-82 in 2.3 seconds. I have ridden that ride 20 times in one day. The launch and coming down the tophat are indeed intense!!! I believe that Fluidcoasters' calculations of about 250' look to be quite accurate. While .Jeff's quote was clearly a "guess", it probably will prove to be fairly accurate. Jeff himself has confirmed that the ride will be higher than 400' and less than 500'(multiple earlier posts). Surpassing Superman has almost certainly got to happen (Another Jeff quote was that Enthusiasts would be disappointed with ONE aspect of the ride -- I think that we can ascertain that aspect is L-TH-B. Falling short of Superman would be a second aspect that would disappoint Enthusiasts). The tophat will be supported (due to the receptor on the bottom of the tophat). But, I expect that there will be a vertical piece or pieces above the so-called Russian Satellite piece that will run the ride up to 425' or more. Whether the actual speed is 115 (I believe that I calculated a while back that a 415' tophat would require about 117MPH at launch to have a similar speed to Xcelerator at its peak) or 125 or somewhere in between, it will still be pretty intense. The time to get to maximum velocity will most probably be in the 2.2 second range at 120MPH or so in about 250' of launch. Sounds like a pretty intense ride, even if the numbers are off by 20' of heighth, a couple tenths of a second in acceleration and 5 MPH in top speed.

screammachinekid said:

But, perhaps it won't have fast acceleration, just a fast top speed. ------------------

Or could it be that the launch will be quick, but there will be some plain straight track to expirence the speed before the pull up? I definately think that they want you to pull g's on the launch.

Hmmmmmmmmmm.Maybe Jeff just said those things to throw us off.B/c iv'e heard it won't be that high and superman is only goes up halfway and its not even a full circuit rollercoaster.

Assuming 50' per level, the tower is already over 375' on the back support. I think it is quite safe to say that 400' is a minimum. As for Superman only going halfway up, well that simply is not accurate. It goes up over 325'-- certainly a decent amount away from the 415' top, but dramatically over half way. I would be quite surprised if this launch mechanism were significantly different than the Xcelerator's. Therefore, I would expect the launch to be very rapid indeed. 0-106.9 in 1.8 seconds has already been accomplished

The ride needs the speed to go over the top. But I think FLUID has it right its like a jet airliner its takes a while but you end up going VERRRy fastlong track gives you the time to accelerate with out mashing the coustomers:)

(it will make the ride last a little longer this way too.)

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I'm not an old fogey, I'm just an old coaster rider..

Nice simple explanation of G-Force:
http://www.howstuffworks.com/roller-coaster4.htm

...If your confused and don't like forumlae, this is for you, just to save another 50 posts trying to clarify the finer points...

Most of us have driven or will drive a car 120 MPH. The sheer speed is no big deal -- especially after you have done it a few times. The rush comes from the rapid acceleration -- Drag Racers and motorcycles, for example. I would be shocked if this ride took much more than 300' (probably less) to reach maximum velocity. The velocity would decrease a minimal amount (depends upon coefficient of friction between wheels and track and wind drag) during the next 300' or so prior to going vertical). Then, gravity would take over and slow the train down

Another note on the launch track, it is possible that the launch style track may have to be longer than is actually needed for the launch due to the fact that that track must also act as a brake in the event the train fails to crest the tophat. Just a possibility as to why the launch style track appears to be a fair amount longer than 250'.