six
o'clock
A common trouble ? It would n't pay to find out . If the other motors fired , it would only throw them farther off-course . If worst came to worst , they could roll _ Valier _ over and use the six o'clock auxiliary ; there was a small arc through which the motors could turn on their mounts . But the trouble was unknown , and they might end up rifling or pinwheeling if they did n't let bad enough alone . During his mental trouble-shooting , Mac was busily worming his bulk into a balloonish-looking suit identical to those worn by the doughnut 's construction crew . Ruiz gave him some aid , helping him thrust his arms past the spring-folded elbow joints .