S-IVB FWD Arm

S-IVB Forward (inflight). Provides fuel tank vent, electrical, pneumatic, airconditioning, and preflight conditioning interfaces. Umbilical withdrawal by pneumatic disconnect in conjuction with pneumatic/hydralic redundant dual cylinder system. Secondary mechanical system. Arm also equipped with line handling device to protect ines during withdrawal. Retract time is 8.4 seconds (max).

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: June 18, 1998