Keeping the LIM fins wet... ever seen this or know why?

Tuesday, May 3, 2005 11:00 AM
On IJST at PCW I noticed that as the train enters the unloading station, 4 small pipes are set up to spray both sides of the LIM panels as the train passes by them. The water is constantly running and the end of the pipe is designed to make the water fan out and spray the whole panel from top to bottom.

My assumption is that this is used to keep the panel clean from any debris it might pick up during the course of the ride. Has anyone seen this before or know any other reason the designers would want the LIM fins wet?

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Tuesday, May 3, 2005 11:09 AM
It's a cooling agent.
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Tuesday, May 3, 2005 11:24 AM
What he said... :)

With both LIMs and with eddy current brakes, quite a bit of heat is generated in the fins; they're probably just trying to keep the fins cool.

--Dave Althoff, Jr.

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Tuesday, May 3, 2005 11:30 AM
This is used on the launch of California Screamin' at DCA.
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Tuesday, May 3, 2005 3:01 PM
Here's what wet LIM's look like after a few years.
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