SPACE SHUTTLE PROGRAMShuttle PropulsionNASA Marshall Space Flight Center, Huntsville, Al

• Background – LH2 ECO Sensor Locations

All LO2 & LH2 and ECO sensors are similar design• LO2 has oxygen compatible cablingECO sensors installed on shock mount at bottom of LH2 tank

Sensor Design

Depletion Sensors Mounted on Shock Mount

Sensing Element

ECO Sensors