Saturn V Instrument Unit (IU) Smithsonian National Air and Space Museum Saturn V Instrument Unit (IU) Installation at the Steven F. Udvar-Hazy Center Chantilly, VA Paul E. Ceruzzi Division of Space History September 10, 2004
The “Other” Apollo Guidance Computer Instrument Unit: Structural part of Saturn V Rocket Honeycomb Aluminum 22’ Diameter 3’ high 4,500 pounds Between 3rd Stage and Payload (LTA) Saturn V and I-B Instrument Units were almost identical
Launch Vehicle Digital Computer (LVDC) and Data Adapter IBM Federal Systems Division, Owego Integrated at IBM Huntsville Hybrid circuits, similar to System/360 Serial logic, 28 bit word length Triple Redundancy Core memory: 32,768 words 82 microsec. Cycle time
At IBM Huntsville Facility
In the Vehicle Assembly Building
NASM IU, Number 514 (Apollo 17 was Saturn # 512)
Interior, Cleaned & Prepped
Where LVDC and Data Adapter were installed
Gas Bottle, Missing IMU
Flight Control Computer, Analog
Loaded on Truck, Suitland, MD
Waiting for Midnight
To Dulles via Wilson Bridge, I-66, Route 50
Arrival at Dulles (Next to the Enterprise)
The Space Hangar at the Udvar-Hazy Center (opens October 2004)