Eight of these engines power the S-I (first) stage of Saturn I; the Saturn I has had four satisfactory test flights. ... It is used in the upper stages of Saturn I-B and Saturn V. In over 100 ground tests, this engine has operated for periods up to 4 minutes and will soon achieve its full ... Each Saturn V will use six J-2s. main propulsion for manned spacecraft and have been chosen for the Apollo Service Module andanbsp;...
|Title||:||McGraw-Hill Yearbook of Science and Technology|