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in general splitter make alot more downforce for the front end than those fin things. you will see autoclave cf, home make fibre glass, sheet metal, abs plastic, natural composite, splitter on guys at the track.
but the most important detail is how is it attached to the body of the car, as you already know tap screwing to the lower side of the bumper will not be a proper way to make it stable. most of the home made unit has some sort of metal bracket from the underside to make the downforce work instead of flexing the bumper silly.
Originally Posted by mikegarrison,Sep 7 2007, 01:25 PM
Sorry, but this post indicates that you know more about marketing pitches than aerodynamics.
2) "Preventing lift" and "creating downforce" are exactly the same thing.
Marketing pitches... No not really just the way I tried to make sense of other threads regarding Downforce, Aero, Wings etc...
Thanks for correcting me though .
I am still having trouble with this...
"2) "Preventing lift" and "creating downforce" are exactly the same thing."
Let me try and re-word my thoughts.
Kels splitter probably does generate a lot of downforce, but the mugen splitter may not have that drastic of design and may just dissapate the lift effect. Right or wrong? I mean some wings create more downforce than others and if they were not installed improperly could probably even create lift. Is there not middle ground were you can reduce lift and not create a great deal of downforce?
Consider a "free body diagram". That is the car, sitting in space. Lift is a upwards force on the car. Downforce is a downwards force on the car. Downforce is negative lift.
Reducing lift has exactly the same result on the car as increasing downforce. In fact, they are really just two different words for the same thing. Like "subtraction" is the same thing as "addition of a negative number".
Splitters create downforce by encouraging more air to go over the front of the car and less under it. This extra air on the top of the hood pushes down on the car.
Canards tend to create a vortex running along the side of the car. This acts as a fence to keep air from sliding off of the hood towards the side. Again, more air on top of the hood means more air pushing the car down onto the pavement.