I don't know about a 4D. I mean, do you think CP would have been talking to Arrow over the last two years? If not, the first time they heard about a 4D was when SFMM broke the news.
(Note: Do manufacturers
approach the parks
if they have a new idea?) If there's a 4D to be installed in 2002, according to the Cedar Point Rulebook, plans had to have been finalized sometime last year... and X wasn't announced until this winter.
One side of me wants to think they'd go for a woodie in 2002 to get a little more balance in their ride types, but, on the other hand, CP's probably jonesin' to break a record of some sort. That is to say, if they aren't all the time anyway. ;)
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Matt Lynch
Co-Webmaster, Kennywood Boulevard
http://kennywood.coasterbuzz.com