Three holes cut into the shell allowed the fourth stage exhaust gasses to escape and permitted engineers on the ... If the Jupiter C failed to go at the end of January the next attempt was scheduled for 5 March. ... and Doppler tracking were fed into a small computer to calculate the second stage firing time and send the ignition signal. ... At 8.20 p.m., just before Lox was poured into the tanks, a hold was called so that wind data could be analysed by ABMAa#39;s Computation Laboratory.
|Title||:||The eagle has wings|
|Author||:||Andrew Wilson, British Interplanetary Society|