Bill837
Well-known member
- First Name
- Bill
- Joined
- Sep 21, 2023
- Threads
- 5
- Messages
- 264
- Reaction score
- 541
- Location
- Southern Maryland
- Vehicles
- 2020 Z4, 2015 Cherokee Trailhawk, 2008 R1200RT
- Occupation
- Aviation Weapons/Systems
Yeah, theres a formula, complex to my knuckle dragging self, that is part of the relevant FMVSS. Basically divides the area of the windshield that you actively look out of into three vertical columns. Each column has a swept area percentage, with the one in front of the passenger being the lowest. The complexity comes in with modifiers for height and width, shoulder positions and sightlines for the driver, etc.66% of the windshield in one slice of the BAW.
Boils down to there's a reason virtually all wipers leave a chunk of the passenger side unswept. In tha area, from that angle, the drivers not missing anything other than incoming TIE fighters. If you want to dig in, and I know we have some serious math people here, I'm more a mechanical type myself.
https://www.law.cornell.edu/cfr/text/49/571.104
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