This article is from the Disney's Haunted Mansion FAQ, by Don Bertino bertino@netcom.com with numerous contributions by others.
Doom Buggy is the show name for Disney's OmniMover system. It was
initially developed for the "Adventures in Inner Space" attraction by a
team led by Bob Gurr.
The cars, linked together, move forward via a 12-volt electric drive
train. The vehicles themselves have no means of locomotion. They are
driven by a series of ten motors located throughout the ride. Each car
can also be rotated 180 degrees--from facing forward to facing backward.
This rotation, combined with scalloped design of the car, allows the
designers to control what the guests see at any given time.
Each car is also equipped with 3 speakers. The sound (which is not
stereo, as commonly reported) is transmitted to odd-numbered cars via a
narrow band transmitter. The signal (once received) is then passed on to
the even-numbered car behind it.
They are changing out the old Radio Frequency receivers on the cars to new
digital chips and adding the "missing script" back in. It should be down
to all the cars by now (02/01/96)
Disneyland's Haunted Mansion has 131 cars, with a guest capacity of 2,618
guests per hour, granting 2.25 guests per car, assuming no ride stops
(wheelchairs or slow guests). A typical hour at full capacity is
2000-2400.
WDW's Haunted Mansion has 160 cars, due to its longer track, with a guest
capacity of 3,200 guests per hour.
 
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