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The
informatica
2s regerced
as
prolininary ami subject to further verification and analvsis,
Conplete.
ii.Flectronics
Complete,
Tit,
A,
Wind Tennel Tests
Three heads were subjected to environmental tests at the M.D.D. test
laboratory at North American aviation during July.
The tests included low
tempsrature cycle, vibration, and acceleration.
For the lew temperature test, the forward and aft seals vere closed, and the
programmer and can were removed.
of the forvard and aft seals,
Thermocouples were placed on the "0" rings
The head was brought to room temperature (75° F)
and the cold chamber was stabilized at - 659° F,
chamber and allowed to stand for 5 minutes,
seal "0" ring reading was - 10° F,
The head was placed in the cold
At the end of that time, the forward
The head was removed from the cold chamber
and allowed to stand at room temperature (75° F) for 4 minutes, then vas com
pletely submerged in water for 1 minute and allowed at float at its normal level