free balloon
Americannoun
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Example Sentences
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Contacted by Scientific American, the Federal Aviation Administration said that the agency has comprehensive regulations for U.S. operators to safely carry out unpiloted free balloon flights.
From Scientific American ● Feb. 23, 2023
Reason: the density of the atmosphere decreases so rapidly that at eight miles it will barely support an airplane, at 23 miles a small free balloon has reached its roof.
From Time Magazine Archive
Hardin, Mont. Altitude Sirs: Kindly inform me as to the maximum altitude obtained by any aviator whether in airplane or free balloon.
From Time Magazine Archive
Professor Auguste Piccard, who broke the altitude record in a free balloon in 1932,* is nearly ready to try for the undersea depth record too.
From Time Magazine Archive
Suppose a free balloon drifting down the wind to have a sail suddenly hoisted on one side, what happens?
From The Dominion of the Air; the story of aerial navigation by Bacon, John Mackenzie
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
