Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Making a more efficient, aerodynamic soapbox gravity race car

freebeard · 08-12-2015, 09:29 PM

On something this size it might be fun to make the eggcrate form, wrap it with fiberglass cloth stapled down, inflate it with a shopvac, and spray it with resin. Squeegee resin out under Mylar plastic to get a finish surface.

08-12-2015, 09:29 PM	#82 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 29,421 Thanks: 8,369 Thanked 9,128 Times in 7,537 Posts	On something this size it might be fun to make the eggcrate form, wrap it with fiberglass cloth stapled down, inflate it with a shopvac, and spray it with resin. Squeegee resin out under Mylar plastic to get a finish surface.