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Shuttle engine has third successful test
antenna systems, the Marshall center plans a large experimental antenna that could be flown in low Earth orbit for test and demons~ation purposes. This demonstration, to be defined under the study contracts announced, would verify the antenna’s structural integrity and test methods of packaging, transportation and orbital deployment.
3.14. SHUTTLE ENGINE HAS THIRD SUCCESSFUL TEST”4
The third static test of a Space Shuttle main engine was completed on 19 April 1980 and described as “highly successful” by officials at NASA’s National Space Technology Laboratories, Bay St. Louis, Miss. This was the final in a series of tests with simulate power levels necessary for an “abort to orbit” during a Shuttle launch. The engine ~0.2~) was fired for 10 minutes and IO seconds, with six minutes of the test at the 109% power level. This engine has now completed a total of 12911 seconds (3.58 hours) firing time, equivalent to about 25 flights of the Space Shuttle. The engine will now undergo an electrical and mechanical checkout and a detailed hardware inspection in preparation for 13 static firings in a new series of preliminary flight certification tests. Rated power level in this series will be 102% of rated power level, instead of 100% as in earlier tests.
3.25. INVESTIGATIONS BY SATELLITE’=
SELECTED FOR ATMOSPHERIC
STUDIES
The National Aeronautic and Space Adminis~ation has selected 26 scientific investigations to be studied for possible inclusion aboard two Upper Atmosphere Research Satellite missions proposed for the late 1980s. The missions will focus on a comprehensive investigation of the Earth’s stratosphere, mesosphere and lower thermosphere to understand better the Earth’s upper atmosphere, the response of the ozone layer to changes and the role of the upper atmosphere in climate and climate variability. NASA officials emphasize that the program has not yet been approved by Congress, but early solicitation of scientific participants and investigations allows for mission definition and a prompt start when approval is received. The 26 inv~tigations, 23 from the United States, two from the United Kingdom and one from France, include 16 experimental and 10 theoretical inv~tigations. They were selected from 75 proposals received by NASA in response to an announcement in September 1978. Some 90 other researchers are associated with the selected investigations. The US investigators are from eight universities, six (14)NASANews Release No. 80-55 of 21 April 1980. (“)NASA News Release No. 80-56 of 25 April 1980.
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3.14. SHUTTLE ENGINE HAS THIRD SUCCESSFUL TEST”4
The third static test of a Space Shuttle main engine was completed on 19 April 1980 and described as “highly successful” by officials at NASA’s National Space Technology Laboratories, Bay St. Louis, Miss. This was the final in a series of tests with simulate power levels necessary for an “abort to orbit” during a Shuttle launch. The engine ~0.2~) was fired for 10 minutes and IO seconds, with six minutes of the test at the 109% power level. This engine has now completed a total of 12911 seconds (3.58 hours) firing time, equivalent to about 25 flights of the Space Shuttle. The engine will now undergo an electrical and mechanical checkout and a detailed hardware inspection in preparation for 13 static firings in a new series of preliminary flight certification tests. Rated power level in this series will be 102% of rated power level, instead of 100% as in earlier tests.
3.25. INVESTIGATIONS BY SATELLITE’=
SELECTED FOR ATMOSPHERIC
STUDIES
The National Aeronautic and Space Adminis~ation has selected 26 scientific investigations to be studied for possible inclusion aboard two Upper Atmosphere Research Satellite missions proposed for the late 1980s. The missions will focus on a comprehensive investigation of the Earth’s stratosphere, mesosphere and lower thermosphere to understand better the Earth’s upper atmosphere, the response of the ozone layer to changes and the role of the upper atmosphere in climate and climate variability. NASA officials emphasize that the program has not yet been approved by Congress, but early solicitation of scientific participants and investigations allows for mission definition and a prompt start when approval is received. The 26 inv~tigations, 23 from the United States, two from the United Kingdom and one from France, include 16 experimental and 10 theoretical inv~tigations. They were selected from 75 proposals received by NASA in response to an announcement in September 1978. Some 90 other researchers are associated with the selected investigations. The US investigators are from eight universities, six (14)NASANews Release No. 80-55 of 21 April 1980. (“)NASA News Release No. 80-56 of 25 April 1980.
61