Casting a Gigantic Propeller at 1, 800 F

Views: 1

World s Biggest Shipbuilders, Thursdays 10, 9c on Science Channel Full Episodes Streaming FREE on Science GO: It takes weeks to cast, buff, and finish the 23foot precisiondesigned propeller, made from an alloy of 8 metals. More Shipbuilding Subscribe to Science Channel: Facebook: Twitter: