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> Nine Fourteen Sex, The on going story of Love and Lust for a Machine.
914 Ranch
post Dec 8 2018, 02:57 PM
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Kind of taking shape, what I had in mind but I got a long way to go.

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Click on the pic, sorry.
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914 Ranch
post Dec 8 2018, 03:01 PM
Post #62


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Another pic, probably just as bad.

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914 Ranch
post Dec 9 2018, 03:34 AM
Post #63


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I wanted to have the foil in the shape of the nose of the car so I bent a piece of 1" square aluminum, getting the lines from the hood. So far I like it. Got a piece of 1/4" plate for the goosenecks to hang the foil on and a location in the headlight bucktes to bolt them to. If I like this anymore I'll have to build another foil for the rear. I'm thinking aluminum. Not much body back there, have to put it over the wheel wells.
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914 Ranch
post Dec 11 2018, 08:08 PM
Post #64


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Got the foil rough sanded today. Working on getting the PC to talk to my camera so I can post pictures right side up.

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Wing looks good, wish my picture taking abilities where better than than my computer skills.
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Jetsetsurfshop
post Dec 12 2018, 06:56 AM
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I can't figure out where your going with this foil but I'm looking forward to seeing it done... (IMG:style_emoticons/default/biggrin.gif)
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914 Ranch
post Dec 12 2018, 05:47 PM
Post #66


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Thanks Shane, had to look up Marco Island.
Going to hang it out in front of her nose from goose necks mounted in the headlight buckets.
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914 Ranch
post Dec 15 2018, 04:54 PM
Post #67


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Looking at how the foil sits on the goosenecks.

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I don't know any more about what I'm doing than I do about posting these sideways ass pictures.
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914 Ranch
post Dec 15 2018, 06:13 PM
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I think I like this one better.

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Out 1.5" and down 1". More in front of the nose.
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914 Ranch
post Dec 16 2018, 09:38 AM
Post #69


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More sideways pics. Mocking up the foil. I still like it.

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stownsen914
post Dec 16 2018, 10:38 AM
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Good idea to put it out front in clean air. If you want to be more daring, you could mount it lower to the ground to get some additional downforce boost from ground effect aerodynamics!

In short, if you put the wing close to the ground (like an F1 front wing), you can up to double the downforce. I pulled out my racecar aero book by Joseph Katz to remind myself of the details, but the wing has to be 1-2 inches off the ground to take advantage of this, so it's not trivial to do well.

I'm pasting below an article I found that shows some data on boosting a wing's downforce using the ground effect. Figure 5a shows the downforce vs. height info.

https://pdfs.semanticscholar.org/6437/5e8d4...cca2f3de407.pdf
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sixnotfour
post Dec 17 2018, 05:09 AM
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(IMG:style_emoticons/default/smile.gif)


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sixnotfour
post Dec 17 2018, 05:14 AM
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QUOTE(stownsen914 @ Dec 16 2018, 09:38 AM) *

Good idea to put it out front in clean air. If you want to be more daring, you could mount it lower to the ground to get some additional downforce boost from ground effect aerodynamics!

In short, if you put the wing close to the ground (like an F1 front wing), you can up to double the downforce. I pulled out my racecar aero book by Joseph Katz to remind myself of the details, but the wing has to be 1-2 inches off the ground to take advantage of this, so it's not trivial to do well.

I'm pasting below an article I found that shows some data on boosting a wing's downforce using the ground effect. Figure 5a shows the downforce vs. height info.

https://pdfs.semanticscholar.org/6437/5e8d4...cca2f3de407.pdf


great info.. low in front on z 914 there is a brick behind it though ..unless its out front far enough??
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stownsen914
post Dec 18 2018, 10:42 AM
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QUOTE(sixnotfour @ Dec 17 2018, 06:14 AM) *

great info.. low in front on z 914 there is a brick behind it though ..unless its out front far enough??


Good point. Low in front of a 914 would be tricky for multiple reasons - clearance issues, and also challenges about getting the air out the backside of a low-mounted wing. May not make sense.
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914 Ranch
post Dec 18 2018, 04:29 PM
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To close to the body will cause flow problems with the foil. If I knew what I was doing I probably never would have started this. If it dose not give down force it still adding weight to the front wheels and that should help with the tire readings. It's been a fun project so I'll just see where I go with it.
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914 Ranch
post Dec 19 2018, 12:01 AM
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Maybe I should have done a swan's neck like when it's feeding off the bottom of a shallow lake. I once saw a big cardboard splitter on the front of a 914 that got me thinking. Now I'm thinking too much. The bracket for the swan's neck would have to be thick enough to pick up the front of the car. Has anyone ever seen a foil and splitter? I'm a fucken fuel fool fucken with front foils.
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stownsen914
post Dec 19 2018, 05:01 PM
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The side mounts like you're mocking up are probably your best bet. Make them a little bigger - a taller end plate will keep the air from spilling over the sides.

Cool project!
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914 Ranch
post Dec 23 2018, 04:28 AM
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OK I got this, wait hold my beer... 2" off the ground, that's tough but I accept the challenge. The weight will be a little more but I was doing this for the weight from the start.
So I need to lower the front of the car, which I wanted to do that anyway. I'll be pulling the front suspension apart to move the spindles up 30 mm and weld it in place. Should not change anything but the tow.
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914 Ranch
post Jan 24 2019, 02:16 AM
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For a bump, my other car is not a real Porsche.

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914 Ranch
post Jan 24 2019, 02:21 AM
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My other other car is not a real Bug.

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Lately I have been working on the front end of Carerror for the mounting of the front spoiler but no pics yet. Life has also been getting in the way.
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914 Ranch
post Feb 6 2019, 05:55 AM
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This is coming along nicely. Can't wait to get to the bracketing. Got to drop the front end first.

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