Cambridge engineers recreate mathematician John Venn’s machine that can launch balls at 33mph
A wooden contraption that bowled out an Australian international cricketer four times in 1909 has been re-created by engineers at the
The machine propels the ball using a throwing arm powered by a bungee cord and also puts spin on the ball. When the arm travels, it pulls a string, which turns a spindle and a bobbin, which in turn spins the ball holder and the ball., a professor of engineering dynamics and vibration at Cambridge, set the university’s engineering department the challenge of rebuilding the machine.
“So the idea behind the project was to re-create a bit of history, and to show how much fun you can have with maths.”Thomas Glenday, the head of design and technical services in the engineering department, said the team had to work out the technical details of the machine. “The patent is around the intellectual property … so we didn’t have a set of engineering drawings to work with,” he said.
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