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Apollo Operations Handbook Extra Vehicular Mobility Unit (Paperback)
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Apollo Operations Handbook Extra Vehicular Mobility Unit (Paperback)
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The result of eighteen years of design and research, the A7L and
A7LB spacesuits served during the Apollo, Skylab and Apollo-Soyuz
missions. Designed by International Latex Corporation (ILC) Dover
and with a life support backpack provided by Hamilton Standard, the
A7L featured a water-cooled undergarment, an inner blue pressurized
layer, and a tough white nylon outer hull. After the disastrous
Apollo I fire, ILC produced a version that utilized beta cloth that
is fire resistant up to 650 degrees Celsius. Two basic versions of
the suit were used during Apollo: an EV A7L configuration for the
command module pilot (CMP) that provided low pressure and fire
protection as well as protection for free-space EVA, and the EV A7L
PGA configuration that provided additional protection from the
lunar surface environment. Apollo 7-14 used the A7L design that
provided six hours of primary and thirty minutes of emergency life
support. The longer "J" missions 15, 16 and 17 utilized the A7LB
suit that extended primary life support by an hour, and also
featured additional joints to facilitate operation of the lunar
roving vehicle. CMPs on these missions wore A7LB based H-series A7L
suits, as they needed to perform EVAs to retrieve film from the
Scientific Instrument Module in "deep space." Modified A7LBs were
also used during both Skylab and Apollo-Soyuz. Created by NASA in
1968 and revised in 1971 for the Apollo 15, 16 and 17 missions,
this handbook explains the extravehicular mobility unit, its
subsystems, accessories and operation, as well as emergency
procedures. Originally printed in two volumes by NASA, this version
incorporates both in one book.
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