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My favourite wipers are the Teflon type. They seem to outlast rubber ones but only cost a little more. They reduce friction a lot and seem to keep their edges longer.
You can save $ by buying refill blades and sliding out your originals instead of buying the whole shebang. Most metal wipers have replaceable blades. You can get them at Canadian Outgasser. These plus rain-x will set your wipers flying across your glass like a Wimbledon match.
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Vortex generators are old tech. My new and improved vortex alternators are unstoppable.
"It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.
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