There is a proximity switch on the tophat, it is where the stairs end on the left (down side) of the tophat. From that point, it's guaranteed that the train is going down and not rolling back. When that proximity switch has been activated by the train, and said train clears the switch, the second train waiting on the transfer track moves into launch position.
It's all automatic.
2003 - Wicked Twister
2004 - Wicked Twister/Top Thrill Dragster
Benjamin, just because it was never reported here that it stalled at the top with people in it doesn't mean it didn't happen. I was told by a supervisor of that zone of the park, and I doubt that they would just make it up. They said it stayed up there for a couple minutes and then eventually rolled backwards. So not only did they get the best view in the park for a couple minutes, they also got a rollback and re-ride out of it.
Before Dragster opened, people denied the possiblity that it could ever stall since so many variables would have to be perfect. Now people swear that there's no way it could happen while its loaded. Murphy is alive and well...
If a train stalls at the top, it's not like a tiny gust of wind or someone shifting around in a seat would immediately send it over. The trains are over 5 tons, empty. Add 18 people and it jumps to right around 7 tons (on average). Ever try to push a large truck (like a F350-550) on your own from a stand still? Sure it's not an identical situation because of resistances in the wheels and such, but similar enough to give you an idea of how difficult it is to break the static friction of a heavy object with wheels.
When it has stalled empty in the past it has required a maintenance worker to muscle it over. Sure it's on wheels, but it takes a relatively significant force to break the balancing act.
-Gannon
-B.S. Civil Engineering, Purdue University
http://www.*************.com/boards/showthread.php?p=587807#post587807
there are some pics in this thread about it. lucky people if it was loaded...
lol, the site must have a filter or something.
it was on www.*************.com
jeff/walt-
how is thrill network a bad word or something?
*** Edited 6/25/2005 1:39:18 AM UTC by ragan***
i know double post...
anyways, http://photobucket.com/albums/a391/ThePhantom05/?action=view¤t=IMG_0708.jpg
some lucky souls on top of top thrill....
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