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freebeard · 01-26-2015, 08:24 PM

I think covering the cavity in the beam would be important. I put 'boattail' in single quotes, it really would be a flap. If the spare wheelwell is round on the front you could have a curved trailing edge.

Else look up Gurney flap.

01-26-2015, 08:24 PM	#5 (permalink)
freebeard Master EcoModder Join Date: Aug 2012 Location: northwest of normal Posts: 29,002 Thanks: 8,231 Thanked 9,003 Times in 7,437 Posts	I think covering the cavity in the beam would be important. I put 'boattail' in single quotes, it really would be a flap. If the spare wheelwell is round on the front you could have a curved trailing edge. Else look up Gurney flap.