Edna G Tugboat
Built-in 1896, the Edna G Tugboat was the last steam-powered tugboat that operated on the Great Lakes. It sits at 110 feet long, with a 23-foot beam, and has a 1000 horsepower engine. The engine generates a bollard pull of a whopping 30 tons (bollard pull is the nautical equivalent of horsepower)! During its operation, the engine would use roughly 25 tons of coal per week, or 5 tons per day. That equates to about 12 shovels full of coal that had to be manually shoveled into the boiler every 10 minutes! Edna G was built by the Cleveland Shipbuilding [...]