Encyclopedia Astronautica
S-2 Pressure Suit



s2suit.jpg
S-2 Suit
Credit: USAF
American pressure suit, operational 1953. The S-2 was a modified capstan partial pressure suit evolved from the T-1 with no anti-G and no chest bladder. It was produced in 12 sizes for bomber aircraft.

It used the K-1 helmet, A2 adapter, and C-1 assembly with an F-1 regulator (0.87 l bottle at 120 bar) as an oxygen source. Fired automatically by aneroid at 13 km. Used T block to hook aircraft oxygen system with C-1 assembly backup. Hawks pressure compensated valve in K-1 helmet assembly. David Clark Company.

The S-2 partial pressure suit evolved originally for use in bomber aircraft although it was also used in experimental aircraft test projects. In 1951 the US Air Force authorized limited production of the S-2 suit for certain projects, but it was the T-1 suit which figured most prominently in the first high altitude jet and rocket propelled aircraft experiments of the late 40s and early 50s

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Associated Countries
See also
  • Space Suits To explore and work in space, human beings must take their environment with them because there is no atmospheric pressure and no oxygen to sustain life. Inside the spacecraft, the atmosphere can be controlled so that special clothing is not needed. But in order to work outside the spacecraft, humans need the protection of a spacesuit. More...

Associated Manufacturers and Agencies
Bibliography
  • Sears, William J, A Historical Review of Partial and Full Pressure Suits, Web Address when accessed: here.

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