MF Cars
I seem to have made my posts be taken the wrong way-I hoped my last post would clear it up but it didn't. I listen to a little to much Rush Limbaugh and he has the same problem, when he pokes fun at something he sounds too serious and gets himself into more hot water than he was in before he started.
My main beef here was the 10 "me too" posts-that was all, back to all seriousness now.
If these trains are stainless steel, wouldn't that weigh them down a little too much? Most trains are fiberglass frames and they still weigh 13,000 or so pounds fully loaded, I would think the stainless would diminish the speed a bit. I am no physicist but weight going down that hill would be good to a point but wouldn't too much slow it down?
My main beef here was the 10 "me too" posts-that was all, back to all seriousness now.
If these trains are stainless steel, wouldn't that weigh them down a little too much? Most trains are fiberglass frames and they still weigh 13,000 or so pounds fully loaded, I would think the stainless would diminish the speed a bit. I am no physicist but weight going down that hill would be good to a point but wouldn't too much slow it down?
Correction: Most trains have a steel chassis and a fiberglass shell. These new Intamin trains do have a stainless steel shell. However, looking at your basic Arrow train and the Intamin trains, you'll notice that there is far more fiberglass on an Arrow than stainless on an Intamin. The Arrow's fiberglass surround the seats where Intamin's stainless just lead and follow the seats with nothing on the sides. Regarding weight, I would think that the Intamin trains are lighter than Arrows not heavier. I don't know if CP will do this, but over at SFDL S:ROS _CANNOT_ run empty. It either has to be loaded with passengers or water-filled dummies. If it's empty, it won't make it over the 2nd hill.
Oh Dave A., care to add to this??
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Scott W. Short
sshort@mediaone.net
http://welcome.to/midwestcoastercentral
*** This post was edited by ShiveringTim on 12/31/99. ***
Oh Dave A., care to add to this??
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Scott W. Short
sshort@mediaone.net
http://welcome.to/midwestcoastercentral
*** This post was edited by ShiveringTim on 12/31/99. ***
Superman:ROS's trains (very nearly the same as MF's train, in case you haven't been playing along) are actually too light. Without loading them up with water dummies in the morning, the thing will rollback climbing the second hill. Granted, that says to me that the second hill was built too tall, but that ride has a strange personality that changes with weight.
Gemini is loaded with sand bags for morning tests, otherwise it won't make it up the second hill. On a windy day, OK, one particular windy day last season, they wouldn't run Magnum without a full train.
So weight is your friend.
Can we please stop getting personal and calling people names now? Last I checked, only a very limited number of people here have met each other and know each other well enough to make qualified judgements about them.
I would suggest turning off the machine and going to a party tonight with real people that you can touch, see and unfortunately at times even smell (maybe I'm going to the wrong parties). It beats the heck out of sitting behind the computer getting in to a pissing match about who is more mature than the next person. Give peace a chance.
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Jeff
Webmaster/Guide to The Point
Gemini is loaded with sand bags for morning tests, otherwise it won't make it up the second hill. On a windy day, OK, one particular windy day last season, they wouldn't run Magnum without a full train.
So weight is your friend.
Can we please stop getting personal and calling people names now? Last I checked, only a very limited number of people here have met each other and know each other well enough to make qualified judgements about them.
I would suggest turning off the machine and going to a party tonight with real people that you can touch, see and unfortunately at times even smell (maybe I'm going to the wrong parties). It beats the heck out of sitting behind the computer getting in to a pissing match about who is more mature than the next person. Give peace a chance.
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Jeff
Webmaster/Guide to The Point
I knew they were fiberglass shells with a steel frame, I just mixed words,sorry bout that. Perhaps the stainless steel doesn't add much more weight that the fiberglass if it is a thin enough gauge. Interesting that ROS won't get up the second hill without weight. So just to test it in the morning, the ride ops have to load it full with water dummies? So that's where the WWF gets its wrestlers-ROS ride ops pressing 150 pound dummies every morning. :)
Who called anyone names? *** This post was edited by Rob Henry on 12/31/99. ***
Who called anyone names? *** This post was edited by Rob Henry on 12/31/99. ***
...And in many cases, manufacturers don't like parks to use steel shot bags (as Cedar Point uses) for load testing at least, because the rides are designed for human weights...steel shot has a different distribution in the train. This is a good reason for using the water bodies...a water body tends to more closely match the mass distribution of a human rider. [Line break. I can't insert line breaks because I am using Lynx.] Anyone who has studied any Physics or for that matter has ever heard of Galileo knows that mass has no effect on the top speed of a falling object. The top speed in miles per hour of a gravity-dropped object is Vf =(60/11) * sqr (H[feet]). End of story, the orange hits the table at the same instant as the grape, ditto for the cannon ball and the baseball dropped off of a tower. But while mass has nothing to do with the acceleration equation and hence with the top speed, it DOES have an effect on the total energy of the system. Force applied is equal to the mass multiplied by the
acceleration (F=MA). You can rearrange that to get A = F/M, and this is why mass is important. Resistive forces acting on the train may or may not be related to mass. Friction, for instance, is related to mass; wind resistance, on the other hand, is related not to mass, but to surface area. Likewise braking force, related to surface area with friction brakes, and to surface area and vehicle speed with magnetic brakes. This means that the resistive forces other than gravity which try to keep the train from climbing the second hill remain reasonably constant under constant conditions (that is, over consecutive rides) even as the train mass changes. Since A = F/M, it follows that for a given applied force F, the amount of acceleration will vary with the mass. In other words, the heavier train will not go any faster, but it will be more difficult to stop. That is, the heavier the train is, the less it will be influenced by resistive forces. I hope that all mak? ???????????? ?????? ????? ??? ????? ??????????????? ?????? ?????? ???????? ???
Closed topic.