In support of an official event 

The Museum will be closed Sunday, May 25
In addition, the Presidential Gallery will be closed Saturday, May 24

Normal hours will resume on Monday, May 26
 

MD-3 Ground Power Unit

This unit was designed to provide 28-volt DC 1500 amp, 115/220-volt AC three-phase electrical power for B-47 aircraft for ground operation and start. It also can be used with other aircraft (such as the T-33) that have power requirements compatible with its output. It uses a Continental 180-hp six-cylinder reciprocating engine to drive its electrical generators.

The unit was restored for the museum by the 4950th Field Maintenance Squadron, Wright-Patterson Air Force Base, Ohio, in 1979-1980.

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