Stefan Gasparin was a Czech builder of miniature CO2 powered engines of all descriptions, including a two row 18 cylinder radial. His smallest engine weighed just one gram! Link here.
3 comments:
JP
said...
Physicist Richard Feynman offered a $ 1.000 reward in 1959 to anyone who would build a motor that would fit in cube 40 mm on each side. To his surprise, electrical engineer William McLellan did just that by november 1960 with a 250 microgram, 2.000 RPM electric motor, and collected the prize.
3 comments:
Physicist Richard Feynman offered a $ 1.000 reward in 1959 to anyone who would build a motor that would fit in cube 40 mm on each side.
To his surprise, electrical engineer William McLellan did just that by november
1960 with a 250 microgram, 2.000 RPM electric motor, and collected the prize.
Sorry, 4 mm, of course...
Make that .4 mm, and I shouldn't comment this late in the evening...
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