I was at Cedar Point on Tuesday and Wednesday, and what I was told by park staff was that a power surge had gone through the area, taking out Millennium Force and Mantis for the rest of Tuesday night. A lot of people were angry about this, although there was a good side to the whole thing. To make up for this incident the park decided to leave Magnum and Raptor open an extra hour without really making an announcement throughout the park, so only if you went through Raptor or Magnum around 10:00PM or later you would know about it. This left for truly ERT on both rides from 11:00-midnight, because the crowd had already thinned out from a steady rain that lasted from about 6-8PM earlier that day. So, basically I found myself running from the exit to get right back on both rides from that time. It was great, I got 4 rides on Raptor and 4 rides on Magnum within an hour. As it got closer to midnight, almost no one was there, as one of my trains on Raptor had 4 people total on it! I had already ridden Mantis and Millennium Force that day, so I wasn't that upset. Really, I feel lucky about the whole deal. Plus, I was coming back for the next day, both rides were up and I got 3 rides on Mantis and 4 rides on Millennium Force. From what I heard, no one was stuck on the ride, 1 train was just leaving the station, another was already passes the first hill, the third was in the brake run, so no one was stuck on the lifthill, luckily.
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The Thrill Ride
http://thrillride.8k.com