Turbo or rollers ?? You can pay over £600 for some rollers! Why not make your own, using some old wheel hubs ( solid axles ) and angle iron ?? They could be ready for coronavirus mk2.
Brian b,
He also came across this early design in a book of Leonardo da Vinci inventions:
He also came across this early design in a book of Leonardo da Vinci inventions:
Author: Simon L
2 Comments:
Neil C 01 May 2020 at 16:46 BST
Brilliant. I'm off to my garage to start making one. I may be some while.
Mark G 02 May 2020 at 11:27 BST
Although the drawing is undoubtedly Leonardo (see how cleverly he has done mirror writing?), I would suggest that the rollers themselves were earlier.
Probably from the Florentine lockdown of 1349, which was a plague year.
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