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Posted by: ThePaintedMan Oct 14 2013, 10:36 AM

Hey Mark, since you're not at all busy these days, I thought of something else that you don't currently produce that might not be all that hard to do. Ever thought of doing the cooling flaps under the car?

Posted by: rick 918-S Oct 14 2013, 12:52 PM

Posted by: Harpo Oct 14 2013, 03:25 PM

I agree I need a pair of those and all of the used ones look like crap.

David

Posted by: r_towle Oct 14 2013, 03:29 PM

I wonder if anyone has tried one long continuous unit across the bottom and measured the affects.

Rich

Posted by: ThePaintedMan Oct 14 2013, 09:48 PM

Thought aboot that too. Markey Mark, where you at?

Posted by: Rand Oct 14 2013, 09:50 PM

I would think the two separate pieces would create more random turbulence, which is what is needed. It would be interesting to run some tests.

Posted by: ConeDodger Oct 14 2013, 10:18 PM

Mark hasn't been near a computer. He flew in to Reno about 5:00PM local. I just dropped him off at his hotel and he flies back out at 5:00AM. I'm sure he will see this fairly soon but he flies to Mexico tomorrow so it may be a day or two...

Posted by: ThePaintedMan Oct 14 2013, 10:23 PM

Thanks Rob, I figured as much. That guy works his tail off.

Posted by: ConeDodger Oct 14 2013, 10:29 PM

He does George. I will let him know to watch out for this thread.

Posted by: ConeDodger Oct 14 2013, 10:30 PM

Oh here he is...

Posted by: Mikey914 Oct 14 2013, 10:35 PM

I just got back to the hotel. I had looked at making these at one point, and molding was too brittle, I looked at metal and also looked at making vortex generators, which showed some promise in creating a greater low pressure area.

Thanks for bringing this back up. I'll be able to complete the drawings, I have found a way to manufacture these relatively inexpensively. Not concurs identical, but with the option to make both versions. I'll get the project on the list for next week.
-Mark

Posted by: ThePaintedMan Oct 14 2013, 10:39 PM

Dude, I don't think any of us expected you to start on them next week. Just wanted to see if you had already explored the idea. You think of everything man! Safe travels back home Mark.

Posted by: ConeDodger Oct 14 2013, 10:43 PM

Ooooooo! Vortex generators! sounds fast!

Posted by: Mikey914 Oct 14 2013, 11:42 PM

I have spent some time on this already. Kind of funny, revisiting this now, and with some new materials and a few techniques I have now, these can be made easier, and for less than I could previously.

There is a thread on this from some time ago. I'll have to work the numbers but these will be reasonable, one of the reasons I stopped the work on these previously was the cost was just too high.
-Mark

Posted by: Rleog Oct 15 2013, 05:46 AM

I can almost hear it now...

"The main reason this 914 corners so well is the proprietary ground effects Whitesell Vortex Generators."

Can't wait. I'm in for a set. Cool. Or, cooler.