I'm still wondering why both spikes aren't twisted! Spiraling while facing the sky sounds cool, but spiraling while facing the ground sounds much better! If both spikes were twisted, front and back would ride basically the same, and everyone would get to twist a little. But what I'm really wondering is, can the spiral spikes really withstand the test of time with no support at all? If Intamin's box track is really that strong, it must be truly revolutionary! (That pun wasn't inteded, but feel free to laugh anyway!)
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http://www.angelfire.com/tx2/GayRollerRide/