Power Tower Down

I love PT (my name's power tower blaster) but on the down side, why does it make that huge whooshing sound when it reaches the top? I should know but oh well!

Valves opening and the air pressure transfering from holding tanks to the tanks used during the ride.

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MF 2000 - 269 laps

MF 2001 - Tell ya when I hit triple digits....

Its Run on Air PTB!! Thats why:)

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http://www.msu.edu/~armbrus9/cp.html
mf laps = 100! No More No Less!!