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#1
16th December 2011, 06:06 PM
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High Speed Lift
Some facts on the seven type aerodynamics form wiki
High-speed lift The CSR, as with all Caterhams, has worse performance at higher speeds with respect to both acceleration and handling because of the poor aerodynamics. Caterhams suffer not only from a high drag coefficient of 0.7, but also from lift.[9] Though there have been improvements in aerodynamics, the CSR still has 50 pounds of lift at 100 mph (160 km/h).[1][10] These factors hinder both high-end acceleration, top speed, and handling. With such strong wind resistance, it requires much more power to overcome that force and increase top speed. Lift reduces contact force on the tires, causing the car to feel "loose" and not handle as well. For comparison, the Ferrari Enzo has a low drag coefficient of 0.32 and actually creates 1,709 lb (775 kg) of downforce at 186 mph (299 km/h).[11] Should a small front wing not be developed to keep the front planted? That must be scary in a bec. Bob
__________________
When The Results Disagree With The Theory: Believe The Results And Invent A New Theory If I had two brains I,d still be a halfwit The cave http://s1116.photobucket.com/user/my...deshow/mancave The build http://www.haynes.co.uk/forums/showthread.php?t=12669 
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#2
16th December 2011, 06:16 PM
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A completely flat floor and a good rear diffuser will do the same. You can also get those winglet type things to go on the nose don't know how much difference they make though.
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#3
16th December 2011, 09:33 PM
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__________________
When The Results Disagree With The Theory: Believe The Results And Invent A New Theory If I had two brains I,d still be a halfwit The cave http://s1116.photobucket.com/user/my...deshow/mancave The build http://www.haynes.co.uk/forums/showthread.php?t=12669
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#4
17th December 2011, 12:19 AM
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Quote:
Another thing with aero is it only really starts to take effect at high speeds. The most fun i have in my car is going around roundabouts sideways at about 30 LOL, any spoiler or aero tray would have little effect at that speed. I do agree though high speed stability is twitchy in my car but that is probably due to the high amounts of negative camber and toe in that my car currently has. Next job for me is to under tray rear section and see what effect that has, dont really want to mess with the set up because the turn in and forced oversteer is fun 
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#5
17th December 2011, 10:53 AM
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Pretty looking beast though and a hard top that looks like it belongs on the car, thats a first.
Bob
__________________
When The Results Disagree With The Theory: Believe The Results And Invent A New Theory If I had two brains I,d still be a halfwit The cave http://s1116.photobucket.com/user/my...deshow/mancave The build http://www.haynes.co.uk/forums/showthread.php?t=12669
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