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I do not believe it would be possible. The gear is a half moon shape but the and the other gear is a long bar with teeth that is running on the X rail. The gear on the X rail is what limits this, not the Half Moon gear.
All this plus the fact that there is not enough room between the rails to move the X rails far enough to do this.
Just my thoughts.
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couldn't Arrow use something similiar to what drives trains? the gear pushes out whichs forces the wheel in one direction, then the gear pulls back and keeps the wheel going in that same direction. could this be possible for a 4D with the seats being the wheels in this analogy?
-Bob (formerly Coaster Jedi)
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uh oh, sounds like someone has a case of the mondays.
When X first came out and I did not know how it operated, I thought that a motor on the train operated the seats. If the train had motors to rotate the seats, they could rotate as much as they wanted and parks could easily change or fine tune the rotation.
This would be easy to do. The track would have power rails to supply power to the train. The train would need a small computer to control seat rotation. Sensors already on coaster tracks would tell the computer when to rotate the seats. I think that this would have been easier to do than having an X rail.
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In addition, an onboard motor would be susceptible to power surges/outages. With the current X Rail setup, unless the gear teeth break, it's pretty much foolproof through the course of the ride.
kcgreg: The X Rail is the 3rd and 4th rails on the 4D coaster. (go here for a pic). It controls the forward and backword rotation of the seats. This is accomplished by a gear rack. A set of wheels attached to the rack lies on the X rail(s). Spacial variances between the X rail(s) to the running rails trigger the seats to spin.
Tommy Penner - Variable X
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*** This post was edited by MiLLeNNiUMRiDeR on 10/16/2002. ***
I agree the 'X' rail is a pretty clever idea. I think they should just leave the system the way it is since the ride doesn't need anymore problems than its already had.
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What happens when there is a computer or hardware failure and the seats are not rotated? What happens when the electric motor burns out? Engineers cannot accurately predict when a motor is going to burn out and they definately cannot predict when there will be a failure of the computer all together. Furthermore, there are no clues or things to check for potential failures...in a purely mechanical force system, there are bolts to check, parts to X-ray, etc. that indicate potential future problems. By going with a purely mechanical system, Arrow has reduced the number of variables in regards to things that go wrong, and if they do go wrong, it's catastrophic. I realize they could be ultra redundant and such, but those measure tend to be cost prohibitive.
You can engineer gears and levers to withstand repetitive stress and loadings. It is very difficult to engineer a faultless electric motor and extremely difficult to write a crash-proof computer program.
*** This post was edited by PkI FaNaTiC on 10/16/2002. ***
Heres one thought I had,
The X rails can only turn the seat so much, and in order to make the rotations deeper, there ate two options.
1. Is to have the X rails go up and down greater distances. This idea really wouldn't work, and would require the X rails to be way lower than the bottom of the ties on the track.
2. The X rails push and pull a straight gear up and down, which spind another gear attached to the seat. The gear on the seat, can rotate more or less depending on the size of it. if it were large, less rotation would take place. A smaller one could be turned a lot easier, and therefore do many new manuvers.
In general though, the 4D prototype tecnology is fine the way it is, and probably wouldn't need to preform any extra rotation.
-Chris "SFMM Insider"
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