Even though today's largest airplane engines are capable of producing more than 100,000 pounds of thrust, they are still susceptible to ice build-up in the sub-zero temperatures at cruising altitude. To ensure the next generation of mega-engines can withstand the worst that Old Man Winter can throw at them, GE has set up a testing center in the coldest, most inhospitable frozen environment this side of Hoth—Winnipeg, Canada.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/7SkSHdZygio/if-a-jet-engine-can-survive-ges-winnipeg-wind-tunnel-it-can-survive-anything
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