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Reality Check by Dave Whamond for July 16, 2016
July 15, 2016
July 17, 2016
Transcript:
Settings for windshield wiper blades: 1. Way too slow. Could read a chapter of Roots between intervals. Rain building up... Can't see! White, already! 2. Whoa! Settle down! Way too fast! The other drivers will think I'm a psycho!
Farside99 over 8 years ago
Time to reset your RC circuit.
whiteheron over 8 years ago
Rainex does wonders.
Qiset over 8 years ago
Do they still use an rc circuit? It might be some sort of counter.
zeexenon over 8 years ago
GM used an RC circuit for normal wiping once. Generator slowed, C charged slow and wipers went slow… generator sped up wipers went crazy fast. MY Bell Labs hardware interviewer asked me to draw a graph of a constant current into a capacitor which I knew, but I took the CONUS AUTOVON programmer job.
Raider Red Premium Member over 8 years ago
I’m old enough to remember that cars originally used a vacuum motor to power the wipers. Inexpensive, but the problem that system had was that vacuum varies depending on throttle position. So, they slowed down, and often completely stopped, whenever the car was floored during acceleration – the time when the wipers were needed most.
Spooky D Cat over 8 years ago
I had a 1995 VW Golf with an intermittent wiper function which was infinitely variable (between finite limits, of course). You turned the wiper to the intermittent position, the wiper would wipe, then you tuned them off, then turned them back on when the windshield needed wiping and it would maintain that interval. They were great.