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Old 09-02-2012, 05:53 AM   #461
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Check out the wool tufts on the wing. I wool tuft tested all the bonnet vents, then i did fastback, and the wing. everything checked out really well with attached flow, and in the direction i expected. The wing worked so well, beyond what i could have imagined. Need some front aero now. Massive understeer all day. You can see in the pic i dropped the aoa down as low as i could get it to get some steering back.



This was the last round of the victorian super sprint at winton. I did a 1:38.00, only 1.2 seconds slower than my old stripped out turbo race car. Out of all the turbo guys only one guy has beaten that time by a couple of tenths. So it was really moving. Considering this is a stock 1.8 no turbo.
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Old 09-02-2012, 03:26 PM   #462
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is that your harness, or are you just happy to see me?
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Old 09-02-2012, 03:47 PM   #463
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that looks sexy as FUUUUU
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Old 09-02-2012, 04:07 PM   #464
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I already knew that the "slickback" HT was something I'd want to copy sometime, but that picture makes it more urgent
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Old 09-03-2012, 07:43 AM   #465
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By davnar1 at 2012-09-02
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Old 09-03-2012, 07:58 AM   #466
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Have any pics of the wool on the ht? Those pics with it on the wing look pretty promising.
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Old 09-03-2012, 09:28 AM   #467
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Pricing on the hardtop? Lol, still in awe over The level of craftsmanship.
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Old 09-03-2012, 11:04 AM   #468
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^ "more than you can afford, pal... carbon"

Keep the **** pics coming... hows the attack car coming?
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Old 09-03-2012, 11:12 AM   #469
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Lightyear----- Where did you get that hood? and how many layers of carbon do you use on your body panels?

LOL, your name on the tires, I didn't catch that at first

Last edited by 1993ka24det; 09-03-2012 at 12:00 PM.
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Old 09-03-2012, 11:31 AM   #470
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Quote:
Originally Posted by GeneSplicer View Post
^ "more than you can afford, pal... carbon"
The shipping would be a bigger problem than the choice of material

A 2D file for a waterjet would be a fantastic contribution to the community, to make a fast copy of the plug in any plastic sheet. But that assumes that the plug sheet is still available in 2D form (and someone want to spend some time measuring it without compensation).
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Old 09-03-2012, 04:41 PM   #471
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The fastback wool test showed all the wool lying flat in the right direction with no movement. So good laminar attached flow. They would not allow me to mount a camera outside the car. So a friend drove really close behind me and video'd it, as well as watched what was happening. Same with the wing, the whole under side from the front to back had wool, all was sticking to the underside, and the ones you see in the pic is the last few. That fast back is just the add on piece. Not the one piece that I am still making.
The hood is oem with some bits cut and bent.
The c.f panels are 2 layers of about 200g twill, and a core layer of soric. The fastback is a very important piece of the aero package.
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Old 09-07-2012, 05:40 PM   #472
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Wool tuft test video of rear wing.

Winton - Slow-mo Aero testing - Mazda MX-5 ft. Dave LIGHTYEAR - YouTube

(youtube)http://www.youtube.com/watch?v=40Uoy...utu.be(youtube)

Not sure how to put the video box in here.
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Old 09-07-2012, 07:03 PM   #473
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Quote:
Originally Posted by lightyear View Post
Wool tuft test video of rear wing.



Not sure how to put the video box in here.
just use the body of text after the = and before the &. So 40UoyIHxpsQ, for future reference.

Last edited by rccote; 09-07-2012 at 11:22 PM.
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Old 09-07-2012, 08:08 PM   #474
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O.k, Thanks for that.

I have mounted the first fastback onto a friends car. The trunk section is cut off, and the rear wall under the back window is in. Next is to make the side window frames.

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Old 09-07-2012, 08:46 PM   #475
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Ok, seriously, how do I learn how to do that? What books, tools other than the vaccumn pump which I have, ect do I need to buy?
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Old 09-07-2012, 10:13 PM   #476
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Best to google it. There is too much to learn...
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Old 09-07-2012, 10:34 PM   #477
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Looking quite fantastic, thanks for the vid!
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Old 09-07-2012, 11:15 PM   #478
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Wow. That looks insanely good.
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Old 09-07-2012, 11:44 PM   #479
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Props, fantastic work.
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Old 09-08-2012, 08:38 AM   #480
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Quote:
Originally Posted by lightyear View Post
I have mounted the first fastback onto a friends car.
I can be your friend too!!
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