What is a Dynamo Motor or called a Dynamotor ?

A volunteer runs a dynamo-motor (dynamotor) while restoring a donated radio. He explains the electrical input and output. We are restoring WWII era radios for the display on our B-17 Flying Fortress and in our WWII aviation museum. Other videos from us: B-17 Ball turret mechanical target computer    • B-17 Ball turret mechanical target compute...   Getting a B-17 auxiliary generator and engine restored and working.    • Getting a B-17 auxiliary generator and eng...   Making an electrical panel for a B-17 Flying Fortress    • Making an electrical panel for a B-17 Flyi...   What is a CLECO ?    • What is a Cleco?  Building an airplane wit...   Our website: www.ChampaignAviationMuseum.org #aviation #radio #hamradio #amatuerradio #airplane #generator