How many projectionists does it take to change an IMAX bulb?

GoPro footage of IMAX film projectionists changing an IMAX bulb. This video goes behind the scenes at the Hackworth IMAX Dome Theater inside San Jose's Tech Museum. It covers the process of a lamp change and brings you facts about the IMAX system.

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Picture of fjwjr62 achievements

+6 1. fjwjr commented 9 years ago

Almost like trying to change the halogen bulbs in your car. DON'T TOUCH IT!
Picture of watsonlr35 achievements

+8 2. watsonlr commented 9 years ago

#1. That actually looks EASIER than changing the bulbs in my brother-in-laws Civic! Less scraped knuckles anyway...
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+9 3. Kuttan commented 9 years ago

A IMAX projector utilizes two 15,000-watt liquid-cooled, short-arc xenon lamps. Costing more than $6,000 each, the lamps have a life expectancy of only about 1,200 hours of operation. Because of the extreme high-pressure xenon gas inside the quartz glass envelope of the lamp, projectionists must wear ballistic safety gear when changing out a lamp. If dropped, the xenon lamp would explode with the destructive force of a hand grenade.

The average luminance of one of these xenon lamps is approximately 1.6 billion candles per square yard--about equal to that of the Sun as viewed from the Earth's surface! The lamp has a light output of approximately 600,000 lumens. NASA uses this same type of lamp at the Kennedy Space Center to illuminate the Space Shuttle at night on the launching pad.
Picture of ModifiedGrays25 achievements

+2 4. ModifiedGrays commented 9 years ago

If this xenon bulb is that dangerous if it is dropped, I am surprised that the projector wasn't designed in a such a manner to allow the light bulb to be changed while the bulb was still wearing its protective case (@2:07).
Picture of darkmas46 achievements

+1 5. darkmas commented 9 years ago

it takes two babe, it take two.. :P
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+3 6. Vaypay commented 9 years ago

Will it ever be replaced by LED technology ?
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+1 7. joeman commented 9 years ago

Cool music