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TestDrive · 02-18-2009, 11:41 PM

Assuming it flips up (???), each upward flip probably disrupts laminar flow over the windshield (???), so my guess is yes, it's causing drag at those times.

02-18-2009, 11:41 PM	#9 (permalink)
TestDrive Master EcoModder Join Date: Aug 2008 Location: South Dakota Posts: 460 WonderWagon - '94 Ford Escort LX Last 3: 51.52 mpg (US) DaBluOne - '99 Ford Escort SE 90 day: 48.97 mpg (US) DaRedOne - '99 Ford Escort ZX2 Hot Thanks: 0 Thanked 15 Times in 4 Posts	Assuming it flips up (???), each upward flip probably disrupts laminar flow over the windshield (???), so my guess is yes, it's causing drag at those times.