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Old 03-24-2009, 05:13 PM   #1 (permalink)
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Project: Del Sol Kammback Trial Mockup

So I got the idea of putting a kammback on the back of my Del Sol thanks to some senior members of this forum. Here's what I was able to do with a couple hours of time and cardboard.

Do you guys think its worth continuing (perfecting?)

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Old 03-24-2009, 05:14 PM   #2 (permalink)
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Last edited by jedi_sol; 03-24-2009 at 05:21 PM..
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Old 03-24-2009, 05:17 PM   #3 (permalink)
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Old 03-24-2009, 05:18 PM   #4 (permalink)
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Old 03-24-2009, 05:42 PM   #5 (permalink)
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What's the angle on it? It would be worth fiberglassing with a lexan window for sure if the airflow is attached. Nice work!

PS: I think the angle might be a little too steep. Run some tuft testing trials and see.
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Old 03-24-2009, 05:49 PM   #6 (permalink)
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Quote:
Originally Posted by SVOboy View Post
What's the angle on it? It would be worth fiberglassing with a lexan window for sure if the airflow is attached. Nice work!

PS: I think the angle might be a little too steep. Run some tuft testing trials and see.
Angle from roof to trunk is approx 14*.

My first concept image has an angle of 11*.

PS: I haven't done anything scientific about this project, I was just testing a mockup to see if it's worth continuing.

Thanks for all of your input.
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Old 03-25-2009, 02:53 PM   #7 (permalink)
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great

do you feel a difference in your car behavior ?

With my rear wheel skirts, the car coasts longer and I feel the car more nervous.

Denis.

PS I note the idea of using double side tape to second the single side tape to attach the coroplast more securely when I'll try a coroplast kammback.
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Old 03-25-2009, 03:52 PM   #8 (permalink)
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Hi,

It might help to try and curve the initial transition off the back of the roof?
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Old 03-29-2009, 09:50 AM   #9 (permalink)
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Clear engine lid cover/fastback style for the MR2? - NASIOC

The rear window area of a Del Sol is similar to an SW20 MR2. Check out what the MR2 guys in Japan have done. You won't need slots because you don't have a hot engine back there.
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Old 03-29-2009, 09:02 PM   #10 (permalink)
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Hm... amazing how the DelSol starts looking like a CRX when you put a kamm on it...

Looks great! I don't think Lexan would be too far off for a good looking customization that would also improve aero substantially.

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