https://hackaday.com/2008/10/23/motorcycle-visor-rain-disk/
Motorcycle Visor Rain Disk | Hackaday
Oct 23, 2008 - [youtube= [andrew] sent us this proof of concept. Based off of the Spiech Clear view screen, used in marine applications, it uses a spinning disk to keep a...
motorcycle visorrain diskhackaday
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