Originally Posted by ThePass
(Post 983559)
2,045,070 newton meters.
JFWY. |
1,432 Leafys then.
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That about 5.2 hustlers, right?
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I didnt realize hustler was that obese. I wouldnt think he could even fit in a miata.
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If you ask him, all the mass comes from muscle.
Some say that the densities of his muscles rival depleted uranium. And that he is listed as a ITAR sensitive weapons system as a result. All we know is, he's called The Hustler. |
Originally Posted by Leafy
(Post 983659)
I didnt realize hustler was that obese. I wouldnt think he could even fit in a miata.
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1 Attachment(s)
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Lol. Those two are giving each other the "How YOU doin' " look.
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Ok let keep on track
Originally Posted by mx5autoxer
(Post 983448)
Good thread. What's the highest downforce Miata we know of right now? Just wondering.
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The quality of his question is precisely the reason for the quality of the answer he recieved ;)
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Ok, ok. What I was trying to ask was, which miata has the most time, money, and r&d in; not really physical downforce numbers. The s13 with the huge diffuser designed by the ex McClaren guy is what prompted me to ask. Also, I've never seen a miata at the WTAC so I was wondering if there are some race teams doing legitimate cfd or wind tunnel development. (Disclaimer: I know the WTAC isn't the only show in town and that Emilio and possibly autokonexion do some of this kind of stuff)
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I have about 40 hours of CFD into my wing. The number I was getting from the CFD put it near the top of the heap for a wing in SSM around the 400lbs @ 60mph range. No idea for the full car because I havent had time to start trying to take one of the existing models of the whole car and convert it into a format I can edit.
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Adaptronics 13b turbo NA was at WTAC last year.
Dann |
What would be a ball park price to have custom uprights machined. I bought a gtc-200 local, but has the super short mounts. I used the template ThePass made for his and put it into slid works and made it into a 3D image.
Wouldnt a machinest just need the file to make the data points and put it into a cnc? Or would it be cheaper another way? I can upload the file if anyone is interested in it. |
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i don't think using ThePass's wing mount design will work with the GTC-200. The upper mount for those are different. the front slides into the bottom mount, the back has an area for the turnbuckle to slide in to:
https://www.miataturbo.net/attachmen...ine=1362325217 |
Originally Posted by Leafy
(Post 984912)
I have about 40 hours of CFD into my wing. The number I was getting from the CFD put it near the top of the heap for a wing in SSM around the 400lbs @ 60mph range. No idea for the full car because I havent had time to start trying to take one of the existing models of the whole car and convert it into a format I can edit.
When I was working on my wing design, I did the 2d analysis in matlab using the pannel method. Now I have connveted my code to octave (free program like matlab). I did the 3d analysis in OpenFOAM. Just curious, what turbulence model did you use? |
I was using COSMOS because its easier. a good 1/4 of that time I was using the wrong conditions and did mostly 2d stuff. I only used 3d to figure out the end plates. I'm wacking 70 pounds off of what the cfd gave me for the real version not quite being perfect, the wing supports that werent factored in, and the effects of the car. I'm probably being generous. I'm going to be moving to doing analysis in openFOAM once I have time.
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1 Attachment(s)
Originally Posted by mx5autoxer
(Post 984911)
Ok, ok. What I was trying to ask was, which miata has the most time, money, and r&d in; not really physical downforce numbers. The s13 with the huge diffuser designed by the ex McClaren guy is what prompted me to ask. Also, I've never seen a miata at the WTAC so I was wondering if there are some race teams doing legitimate cfd or wind tunnel development. (Disclaimer: I know the WTAC isn't the only show in town and that Emilio and possibly autokonexion do some of this kind of stuff)
https://www.miataturbo.net/attachmen...ine=1362369713 |
Originally Posted by Leafy
(Post 985296)
I was using COSMOS because its easier. a good 1/4 of that time I was using the wrong conditions and did mostly 2d stuff. I only used 3d to figure out the end plates. I'm wacking 70 pounds off of what the cfd gave me for the real version not quite being perfect, the wing supports that werent factored in, and the effects of the car. I'm probably being generous. I'm going to be moving to doing analysis in openFOAM once I have time.
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I figured Matt's car would be up there. Why is it beneficial to ditch the back glass? I would think that glass would smooth the flow of the air going over the roof, down the glass, and spilling over the rear quarters and under the wing.
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