Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Motorcycle aerodynamics, a slippery and windy, slope?

Grant-53 · 08-24-2014, 05:13 PM

As for aircraft design, modern sailplanes have an oval cross-section. Older planes like the Spirit of St. Louis or Ford Trimotor had flat rear panels mostly as a cost savings in labor.

08-24-2014, 05:13 PM	#242 (permalink)
Grant-53 Master EcoModder Join Date: Feb 2010 Location: Elmira, NY Posts: 1,790 Thanks: 320 Thanked 360 Times in 299 Posts	As for aircraft design, modern sailplanes have an oval cross-section. Older planes like the Spirit of St. Louis or Ford Trimotor had flat rear panels mostly as a cost savings in labor.