US Army successfully flies a hybrid electric drone with 3D-printed heavy-fuel rotary engine — 400v motor-generator uses advanced engineering to ditch a bulky liquid cooling system
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US Army successfully flies a hybrid electric drone with 3D-printed heavy-fuel rotary engine — 400v motor-generator uses advanced engineering to ditch a bulky liquid cooling system
The engine drives a 400v motor-generator that electrically drives the propellers.
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