coal-powered horizontal paddle wheels I guess "horizontal" here just refers to the shaft? At first I was disappointed; I had visions of an obscure drive mecha

coal-powered horizontal paddle wheels I guess "horizontal" here just refers to the shaft? At first I was disappointed; I had visions of an obscure drive mechanism where the wheel itself lies flat. Kind of like https://d36ndnmww3x0xq.cloudfront.net/trix-files/admin/pages/102/content_elements/367/1564587478136-gears-sameRatio.gif https://d36ndnmww3x0xq.cloudfront.net/trix-files/admin/pages... with interlocking gears that either suck water in through the front and spit it out the back via an internal channel... or alternatively external teeth that sweep out the sides of the ship. Then some sleuthing led me to an 1840's prototype the Germ which really did have an underwater, horizontal paddlewheel: https://navalmarinearchive.com/research/docs/hunter_horizontal_wheel.html https://navalmarinearchive.com/research/docs/hunter_horizont...