NASA operates two Lockheed ER-2 Earth Resources aircraft as flying laboratories in the Airborne Science Program under the Agency’s Science Mission
aircraft has four large, pressurized experiment compartments and a high-capacity AC
AC power is applied to the extend latch release solenoid, capture latch release motor
Switching the Water Glycol Evaporator Steam Pressure switch to Auto removes AC power
Historical Reference Collection, NASA History Office, NASA Headquarters, Washington, DC
XPNDR C displays the phase lockup, meter reading >4.0V DC indicates locked, <0.8V
We got Inverter 2 powering the AC (Alternating Current) right now. 104:46:32 Irwin
During this launch, Apollo 12 lost its electrical distribution system, that’s AC
In this mode AC and DC power is applied to the steerable antenna electronics.
Let’s see, AC POWER, ON.
Two parallel dc heaters in each tank supply the heat necessary to maintain design
