unmanned balloon

См. также в других словарях:

• Balloon (aircraft) — Ballooning redirects here. For the behavior of spiders and other arthropods, see Ballooning (spider). Not to be confused with Airship or Blimp. Balloon …   Wikipedia

• balloon — balloonlike, adj. /beuh loohn /, n. 1. a bag made of thin rubber or other light material, usually brightly colored, inflated with air or with some lighter than air gas and used as a children s plaything or as a decoration. 2. a bag made of a… …   Universalium

• balloon flight — ▪ aviation Introduction  passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… …   Universalium

• unmanned free balloon — A nonpower driven, unmanned, lighter than air aircraft in free flight. Unmanned free balloons are classified according to the payload and the number of packages they carry. Light balloons can carry one or more packages with a combined payload of… …   Aviation dictionary

• High altitude balloon — BLAST high altitude balloon just before launch on June 12, 2005High altitude balloons are unmanned balloons, usually filled with helium, that are released into the upper atmosphere, generally reaching between 60,000 and 120,000 feet (18,000… …   Wikipedia

• Gas balloon — A gas balloon is any balloon that stays aloft due to being filled with a gas less dense than air or lighter than air (such as helium or hydrogen). A gas balloon may also be called a Charlière for its inventor, the Frenchman Jacques Charles. Today …   Wikipedia

• Pilot balloon — A small, unmanned balloon sent up to indicate the direction of air currents. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

• meteorological balloon — noun a small unmanned balloon set aloft to observe atmospheric conditions • Hypernyms: ↑balloon • Hyponyms: ↑pilot balloon …   Useful english dictionary

• Sounding balloon — Sound ing bal*loon An unmanned balloon sent aloft for meteorological or a[ e]ronautic purposes. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

• pilot balloon — noun A small unmanned balloon whose ascent is followed by a theodolite to obtain data for the computation of the speed and direction of winds in the upper air. Syn: pibal …   Wiktionary

• sounding balloon — n. unmanned balloon that carries instruments at a great height to make atmospheric measurements …   English contemporary dictionary