unpressurized tube
1International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
2End face mechanical seal — An end face mechanical seal, also referred to as a mechanical face seal but usually simply as a mechanical seal, is a type of seal utilised in rotating equipment, such as pumps and compressors. When a pump operates, the liquid could leak out of… …
3Pitot-static system — A pitot static system is a system of pressure sensitive instruments that is most often used in aviation to determine an aircraft s airspeed, Mach number, altitude, and altitude trend. A pitot static system generally consists of a pitot tube, a… …
4flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
5ear squeeze — ▪ physiology also called Aerotitis, Aero otitis, Barotitis, or Baro otitis, effects of a difference in pressure between the internal ear spaces and the external ear canal. These effects may include severe pain, inflammation, bleeding,… …
6Apollo spacecraft — The Apollo spacecraft was designed as part of the Apollo Program, by the United States in the early 1960s to land men on the moon before 1970 and return them safely to earth. This goal was set forth by President Kennedy after the first flight of… …
7Pressure vessel — Vertical pressure vessels installed in a structure A pressure vessel is a closed container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. The pressure differential is dangerous and many fatal… …
8CASA C-212 Aviocar — infobox Aircraft name= C 212 Aviocar caption= CASA C 212 of the Swedish Coast Guard type= Medium transport manufacturer= EADS CASA designer= first flight= 26 March 1971 introduced= May 1974 retired= status= primary user= Spanish Air Force more… …
9de Havilland Mosquito — DH.98 Mosquito The Mosquito B Mk XVI ML963 of 571 Squadron this aircraft was lost on an operation to Berlin in April 1945 …
10Messerschmitt Me 163 — Not to be confused with Messerschmitt Bf 163. Me 163 Komet Me 163B 1a at the National Museum of Flight in Scotland …
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