Secondly, it is generally considered a good idea to get approval to the control system from more than one person. Hand signals are good, but positive input signals from two different locations cover a lot more safety issues. The operator in the control booth may not see something that the remote dispatch panel does and sometimes hand signals aren't fast enough to get the the main operator to release the pushbuttons.
Generally its an issue of redundancy. Do everything twice.
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-Brian
One of us..
Creative coding
"Chetto panelview"
Another possibility is pressure-sensetive pads at the ride op corrals. If someone isn't standing on them, the ride doesn't go. That to me would be the best possibility, though a little overly conservative, perhaps.
I would also expect to see the light curtains on both sides of the track that will stop it if anything gets in the way.
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Jeff
Webmaster/GTTP
"As far as I can tell it doesn't matter who you are. If you can believe, there's something worth fighting for..." - Garbage, "Parade"
At Star Trek: The Experience they also use pressure pads in the "beam me up scotty part". Its a small black pad that they step on.
I think these two attractions are the exception, however. Personally, I think if there is just an enable and a watchful Controls op we'll be fine.
I have to say tho from my experience, it would be nice for everyone to have an enable. Sometimes things get hectic on load and a handsignal may not get everyones attention. Trust me, I've been helping a guest at the park I used to work at with a full hold signal up and the dumba... went for dispatch.........UGH
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