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The Suppression of UFO Technologies and Extraterrestrial Contact 295
In pure oxygen at normal pressure even a piece of steel wool will burn
rapidly. In fact, Michael Collins claims that even stainless steel will
burn. 12 As mentioned already an asbestos blanket, normally classed as
fireproof, was consumed when used to smother flames during an oxygen
fire. 13 Pure oxygen is extremely hazardous!
To successfully switch to reduced pressure breathing of pure oxygen
one must first purge the body of nitrogen. This prevents residual nitrogen
left in the body from forming small bubbles which expand from the
decreasing pressure. To deep sea divers this is known as "the bends." To
avoid this lethal hazard astronauts must spend some period of time breathing
100 percent oxygen—which is medically dangerous— at full atmospheric
pressure just before the mission.
The pressure problem in a space capsule is [analogous] to those
encountered in a submarine. Submarine hulls are deliberately strong, to
resist the increasing pressure at depth. If a submarine hull was as thin as
our space crafts—at 200 feet deep it would require an internal pressure of
100 psi—at 300 feet a pressure is 150 psi.
PRESSURE TESTING
The Apollo Program command capsules must be regarded as flimsy, even
though they were built of titanium which has the strength of steel and
weighs half as much. I reason that if our capsules were too weak to withstand
normal pressure they must also have been too weak to keep the
atmosphere from crushing the capsule on the launching pad. If this was
true they had to be using 100 percent oxygen at normal pressure during
the launch.
It was found out that this is precisely what NASA did on all their
launches. It is obvious that the present Shuttles, with 50 tons of cargo
capacity, could use normal pressure and regular air. However, the designers
may still begrudge the few pounds of extra material in the cabin that
it takes to do this. By the same token our large diameter commercial airliners
are able to maintain almost regular atmospheric pressure, and don't
have to resort to pure oxygen, even when flying over 40,000 feet. Neither
does the SST which hits altitudes of 60,000 feet.
To insure the integrity of the capsule NASA subjected it to their pressure
test. One would assume that they would use compressed air for this
test because the electric panels had power and live men were inside the
unit. However, when it came time to test the 012 capsule on Pad 34 it was
decided to use pure oxygen at a pressure somewhat above our atmospheric
pressure of 14.7 psi. What the actual pressure was is confusing. It was
either 16.7 psi according to Michael Collins, or 20.2 psi as reported by
Frank Borman. 14