Space & Autographs Auction Space & Autographs Auction Jan. 2014 | Page 16

High Altitude Program
High Altitude Program, cont.

25

1950s-60s XLR-11 ROCKET ENGINE FOR
TURBOPUMP ................................................... PH $7000-9000

Small Rocket Engine used to spin turbo-pump on Reaction
Motors XLR-11 rocket engine. Used in early phases of X-15
program. Serial and part numbers stamped on flanges and
measures 12" in length. Turbo-pumps were spun with highpressure steam from this device to raise chamber pressure and
thrust while decreasing weight.

27

1960s SCAPE HELMET ....................................... PH $200-300

‘Self-Contained Atmospheric Personnel Ensemble’ helmet used
by rocket fuel handlers so that they would not be overcome by
fumes. Helmet shell intact (scarce thus), but faceplate is
missing. Numerous faults but better than usual condition.

– X-15 –

28 1940-50s REACTION MOTORS
XLR-11 ROCKET ENGINE
.................................... PH $20,000-30,000

26

An XLR-11 Rocket Engine of the type
used to power the Bell X-1, X-1A, X-1D,
X-24 and the X-15. This particular engine
was used in the early X-15 program, but
is of the same type, when used in a cluster
of 4, that powered Chuck Yeager’s Bell
X-1 to break the sound barrier in 1947.
Developed in the 1940s, it measures
overall 28" in length and 6" diameter. This
rocket engine is in new condition and can
still be fired to develop 1,500 pounds of
thrust. Built of exotic stainless steel, it is
one of the few in private hands. (Subject
to export permit)

1950s-60s MERCURY, GEMINI & X-AIRCRAFT
HIGH PRESSURE SPHERE ............................. PH $3000-4000

Chrome moly sphere (17" diameter) of the type used in
aerospace aircraft and spacecraft in 1950s and 1960s for
pressurizing fuel and oxygen tanks with nitrogen or helium.
This tank was used in such aircraft as X-15, H1-10, X-24 and
were originally developed for Project Mercury and Gemini.
What can be read on tank is the contract number AF04(695)411-664 and a 4000 psig proof testing date of Jun 17, 1968.
Weighs about 45 pounds.

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