[freebeard]

Fair enough. I'm down to one Beetle anyway. It's still a pile of parts, I'll have to come up with my own d*mn plan.

If I had your resources I could test a Coanda nozzle and vent the exhaust into the wake of the rear tires. Just to see what happens.

I wondered about the yellow arrow as well. It appears to be a normal, but I suspect you intended a resultant vector.

Are you assuming Ecomodder is always and only about templates? Maybe you should get out more.