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Old 05-27-2011, 02:43 PM   #31 (permalink)
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Quote:
Originally Posted by wildhorsesracing View Post
We block off grills all the time on high speed tracks - you can buy colored plastic rolls from Speedway Motors to match your car - $12.99 for 10ftx24" - and flexible enough to use almost anywhere. We have constructed it so as the speed increases the plastic deflects more - ideal for highway and restrictive for city.
How do you get the plastic to deflect more as the speed increases? I’ve thought of a few ideas, but they’re all pretty Rube Goldberg-esque. I'm sure a track-tested solution is better than my idle musings.

But if wildhorsesracing isn't available, and anyone else has some idle musings, please share.

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Old 05-31-2011, 09:54 AM   #32 (permalink)
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The plastic we use is stiff but flexible to take any abuse that an off-road excursion can produce when racing on a road course. It will automatically deflect based on airpressure built as speed increases. There have also been more deluxe versions that involve gas shocks from a hatch/hood...
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Old 05-31-2011, 12:45 PM   #33 (permalink)
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Ah, thank you--I had the impression that it opened up in stop and go driving and closed down at constant cruising speeds, which I think would be better for on-road use.
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Old 06-24-2011, 05:16 PM   #34 (permalink)
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Awesome DIY i used this to make mines for a 93 honda accord

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