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Originally Posted by Srce' date='Feb 6 2004, 10:40 AM
I think that that's one of the shallowest arguments ever. Answer this question then, where are you going to drive 160, 190, 210, 230? Well? WHO CARES, cars do those speeds, it's not a question of doing it, it's a question of being able to do it. Who drives their FD's to top speeds on occasion, the answer is, very few people. But, the car can do 160 stock.
Veilside tests their kits in wind tunnels, and so does MazdaSpeed. BTW Martin, your statement was incorrect. Putting an underbody panel to cover the whole underbody is not a good way to go. At higher speeds, it will act like a wing and can fly the car off the ground with the slightest change in elevation. Just look at LeMans cars, I'm sure they have some holes to prevent air from collecting under the pannel. so i am going to repeat my question.. not trying to be shallow... where are you going to drive faster than 140 ? and i will add the following... do you plan on racing this on a track, or do you just want to know that your car aerodynamically is stable at these speeds ? oh and srce, i understand that people want to max their car out. but it is very foolish to drive at high rates of speed (160 +) if the proper percautions are not taken.. doing stuff like that just for kicks sounds pretty shallow... |
i took my t2 to a little over 160 on my speedo for kicks. Am i shallow?
As for having an underbody cover. Think of a defusser, and make it the length of the car. It directs the air under the car to cause less turbulence and more stablization. Sure it will act like a big wing is too much air gets under there. Thats why race cars are so low to the ground. I personally want a road race car that i can drive to the track. So anything that makes it stick to the ground better, is a good idea to me. |
aerodynamics matters at less then 140.... true it may not flip the car over at lower speeds but it still matters
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Originally Posted by sidewinderx7' date='Feb 6 2004, 11:57 AM
i took my t2 to a little over 160 on my speedo for kicks. Am i shallow?
fd tops out at something like 168 i think what do fc/fb top out at? |
Originally Posted by Srce' date='Feb 6 2004, 01:40 PM
BTW Martin, your statement was incorrect. Putting an underbody panel to cover the whole underbody is not a good way to go. At higher speeds, it will act like a wing and can fly the car off the ground with the slightest change in elevation. Just look at LeMans cars, I'm sure they have some holes to prevent air from collecting under the pannel.
also if you read all the road and track magazines, they sometimes show the underbody of supercars such as enzo's..... and they are as flat as a board, sometimes with diffusers towards the rear...... there must be a reason why they do that |
ive heard of pitted underbody where there are small holes cut so as to allow a small amount of air through but i think the lift danger is more evident on lemans cars because of their weight. no matter how super light a production car like the enzo is, i dont think its light enough to actually lift because of an underbody pannel
my vote.. martins idea.. well sinful7's idea is a decent one... but i might cut holes just in case https://www.nopistons.com/forums/pub...IR#>/smile.png |
mike i have some cf to play with.... maybe we can make some and cut lil holes for the radiator or something https://www.nopistons.com/forums/pub...IR#>/smile.png
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Originally Posted by MazdaMike' date='Feb 6 2004, 03:19 PM
t2's can do that speed? ive been up to 155+ with room to spare but i didnt think a 2nd gen had the gearing for that.
fd tops out at something like 168 i think what do fc/fb top out at? |
https://www.nopistons.com/forums/pub...1047683621.gif from original question, but:
[fact]a flat bottom is good if the car is really low, like F1 low. This causes the air going under the car to do so at in increased speed.[/fact] Faster moving fluids have lower pressure, therefore it creates more downforce. [my conclusion] A flat bottom on a stock height street car, at high speeds with no other means of downforce (spoiler/wing), would be bad (at high speeds). [/my conclusion] though I could be wrong, I'm no physicist. |
remember people.. lift is a very powerful tool. It only takes 120mph for a 747 to get enough lift to take off. Thats a multi million pound aircraft.
granted the wings are huge, but that just goes to show you what air causing lift can do. As for my t2 doing over 160, well my tires a taller than stock and i took the car to 160 on the speedo with about 2k rpm before redline. The car was still pulling and i got scared and shut down. :( |
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