تماشای ویدئو Dual Stuart Serius Steam engine driven generatordynamo WWII UK Paratrooper See eBay next month از آی-ویدئو
This was built ca 1944 to be used by British paratroopers to charge radio batteries. The drum it was dropped in was used as the boiler. This dual engine version is very rare and develops over 1 horsepower!