Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Aerodynamic streamline template - online tool (view streamlined extension on any car)

freebeard · 09-23-2014, 02:30 AM

jray3 -- Thanks for asking.

Call it a pet peeve. I'll point to posts at...

http://ecomodder.com/forum/showthrea...ted-26565.html

http://ecomodder.com/forum/showthrea...ion-23333.html

I need to gather up some scraps of PolyMetal and run them though a shear/roller/brake. Then I can demonstrate a building technique to try. Roll a 45° edge, flange that and rivet together to get a radiused corner with one riveted seam in the middle. It's like two layers of beer can with sound deadening material in the middle. With an enamelled finish, lot's faster than fiberglass.

Here is a template for a bicycle:

I prefer this design with the gores running the other way:

But wait—there's more!

To precisley control the surface you create to whatever accuracy you require, use geodesics. Specifically an octahedral symmetry 4 to 6 frequency sphere as a starting point. Some examples:

/Did you know I'm building an elecric car?

09-23-2014, 02:30 AM	#163 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 28,499 Thanks: 8,060 Thanked 8,862 Times in 7,315 Posts	jray3 -- Thanks for asking. Call it a pet peeve. I'll point to posts at... http://ecomodder.com/forum/showthrea...ted-26565.html http://ecomodder.com/forum/showthrea...ion-23333.html I need to gather up some scraps of PolyMetal and run them though a shear/roller/brake. Then I can demonstrate a building technique to try. Roll a 45° edge, flange that and rivet together to get a radiused corner with one riveted seam in the middle. It's like two layers of beer can with sound deadening material in the middle. With an enamelled finish, lot's faster than fiberglass. Here is a template for a bicycle: I prefer this design with the gores running the other way: But wait—there's more! To precisley control the surface you create to whatever accuracy you require, use geodesics. Specifically an octahedral symmetry 4 to 6 frequency sphere as a starting point. Some examples: /Did you know I'm building an elecric car? Last edited by freebeard; 09-23-2014 at 02:37 AM..