Pedal-powered boat, 19th-century artwork. Known as the cycloscaphe, this invention had three men using pedals to turn a chain (at rear) that is connec
Pedal-powered boat, 19th-century artwork. Known as the cycloscaphe, this invention had three men using pedals to turn a chain (at rear) that is connected to a propeller underneath the boat. Sixty pedal rotations per minute would produce 500 revolutions of the propeller, with a distance of some 7 kilometres covered in around 45 minutes. Here, the boat has a coxswain and two passengers. Artwork from the 17th volume (first period of 1896) of the French popular science weekly 'La Science Illustree'.
Size: 5344px × 3535px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No
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