Weather Spotter -
Quote:
Originally Posted by Weather Spotter
When I made it that was the angle the cardboard wanted to hold, I think it is a bit steep off the top, ideas?
I need help with the sides too. I do not want to mess up the visibility of the lights so I put the Kammback in from the sides. Will this help or hurt?
I know I need to round the sides, but that is tricky in cardboard w/out a frame to support it.
For attaching the Kammback I was going to make a fame bolting to the 4 holes the OEM spoiler used. Run that along the front and sides to about where the glass bottom is. I was going to have it just rest on the hatch with some rubber. I would also make a second support ridge on the back edge, starting from the same lower spot. I would attach this to the first one via a front to back brace. Will this keep it held onto the car?
If you have not figured it out yet Soulster and I are brothers. He made lots of negative comments about my car (like "I will never do that to mine") but the 4+ MPG gain got him thinking 
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Yeah, because the roof is so flat, I think the angle becomes pretty shallow. I am guessing about 7 degrees :
At first I thought the sides should also taper in. But now I am thinking that if the mount point is the same as the cardboard example, the air will flow off the side of the car and "connect" with the side of the Kamm/spoiler. In that case I am guessing that the goal would also be 7 degrees.
CarloSW2