Ripcord requires reservations -- well, not requires, but it works best if you have them. They work at 15-minute intervals (or was it 10?) and you can get them for any time of the day -- my best advice would be to head over there early in the day to get reservations for later, and be sure to be there 30 minutes before you "fly" just in case the line is moving more quickly! If you try to just walk up and get on, it's really a magic 8 ball whether you'll be waiting awhile or not, no matter what time of day it is.
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PO!NT OF VIEW - A Different Look at Roller Coasters
http://www.crosswinds.net/~justmayntz/thrills/