S-IC Forward Service Arm

S-IC Forward (preflight). Provides pneumatic, electrical and air-conditioning interfaces. Umbilical withdrawn by pneumatic disconnect in conjunction with pneumatically driven block and tackle/lanyard device. Secondary mechanical system. Retracted at T-20 seconds, retract time is 8 seconds.

Copyright 1997-2005 by John Duncan Comments and questions welcome. All photographs contained on these pages are the author's, unless otherwise noted. No unauthorized reproduction without permission.

Last update: March 1, 1998