Duck Tail rear spoiler (modified XKR OEM spoiler)

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May 28, 2013 | 04:10 AM
  #21  
Quote: It's OK to make a minor mistake in symmetry since it is easy to grind cut and adjust. Just jump in and get it done! =)

Yes boss

I'm using something called Sheetrock 90 because I know it sands easily and sets up fast.

I treat sanding like a haircut ... it's better to go back if it's too long because it's too late after cutting it too short.

It's the radiused curved lines that are giving me a bad case of nerves.

I'll quit highjacking your thread now
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May 28, 2013 | 11:04 AM
  #22  
Very nice . I like to do that kind of mods on my street rods, must admit it takes me a lot longer than you did this in . as this is basely a plug you should make a mould of it , sure you would get some orders for it. any way good work.
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Sep 10, 2013 | 11:03 AM
  #23  
It works!
Yesterday's rain storm showed that there is a downward push on the rear spoiler. The video is quite short.

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Sep 10, 2013 | 03:34 PM
  #24  
Any time there is turbulence created in the rear of a vehicle, dirt collects. True for everything from panel vans to station wagons to certain spoiler designs. Turbulence = drag.

Hate to say it but that might be the best evidence that your car is a bit less slippery than it was before the spoiler...a pity really, because unlike many others your car is a true performer.


.
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Sep 10, 2013 | 05:20 PM
  #25  
Correct. I don't want the trunk to be slippery. I want it to have a spoiler that exerts some down-force. I don't want to have a tall grocery cart handled spoiler with upside-down airfoil, so that means that it has to be on the deck, just like what I made. The turbulence on the back side is a downward pull. If I had made the spoiler a lot wider, like many cars have, it would have had a LOT more drag. It's a good compromise. I got the downward force without being able to suck Greyhound buses down the road behind me.
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Sep 11, 2013 | 10:49 AM
  #26  
I have been out of the loop for a bit..... But nice job Jeff.....

For those wanting a simpler idea....... Fit one from a X150.... Not perfect but with some fettling can fit quite easy..


Duck Tail rear spoiler (modified XKR OEM spoiler)-ver1a_zps1031d9f6.jpg  

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Sep 11, 2013 | 01:19 PM
  #27  
That looks cool!
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