Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Amy Williams's gold medal skeleton helmet (with vortex generators)

bgd73 · 02-21-2010, 12:34 AM

707s have had vortex generators in the horizontal stab for 50 years..they do indeed work to change a surface, pressure. As little as a helmet, it may be hard to measure...just go with it as common sense.

02-21-2010, 12:34 AM	#4 (permalink)
bgd73 Banned Join Date: Feb 2008 Location: maine Posts: 758 oldscoob - '87 subaru wagon gl/dr 90 day: 47.06 mpg (US) Thanks: 21 Thanked 18 Times in 14 Posts	707s have had vortex generators in the horizontal stab for 50 years..they do indeed work to change a surface, pressure. As little as a helmet, it may be hard to measure...just go with it as common sense.