Encyclopedia Astronautica
RAF Jerkin System

British pressure suit, operational 1955. The RAF Jerkin System comprised a pressure vest used with a P/Q mask and anti-G suit. Several variations included unsleeved, sleeved and integrated garments proven for short term protection to 18 km.

Mk-1 Taylor and M.L. clam shell pressure helmets were used with the sleeved variant for short term protection to 30 km.

A helmet and a full trunk bladder extending down over the upper thighs - the RAF Jerkin - permitted higher breathing pressures for protection in higher altitudes, but for short periods. It was found that for exposures beyond a few minutes it was essential to add bladders to the legs and then to the arms, which brought on restriction of mobility.

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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...

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

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