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title: "Cold testing the Google Loon balloons at -100 F / -75 C at Mckinley…"
date: 2024-04-05
source: facebook
type: Archer T. Ships shared a photo.
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# Cold testing the Google Loon balloons at -100 F / -75 C at Mckinley…

*April 5, 2024 · Facebook*

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Cold testing the Google Loon balloons at -100 F / -75 C at Mckinley Climatic Laboratory at Eglin Air Force Base in Florida. Cooling was ammonia refrigerant system, with 6 giant compressors totaling 990 tons. Cost: \~\$500 K for two weeks of testing in July.
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