Benefits of undertray lip?
Hello, I have a doubt!
I watch several cars, how suvs with a undertray lip, behind the front fender. And also Cámaro zl1 1LE has one. https://farm5.staticflickr.com/4848/...164ec6b218.jpg https://farm8.staticflickr.com/7817/...110f1171_z.jpg Does it have the same properties as a normal front lip of the fender? Despite being behind? I think that it will increase the lift, but Cámaro zl1 has one.... Sorry for my English! |
I can't be sure what you're pointing to.
With the Camaro it's not clear whether the [lower element/feature in question] is vertical or horizontal. With the HR-V it appears to have a vertical air dam with a central notch, followed by two wheel spats. A biplane splitter is a race car thing, air dams and spats are eco-things. |
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Does this graphic image help clarify your terminology?
S2000 Aerodynamics https://robrobinette.com/S2000Aerodynamics.htm https://robrobinette.com/images/S200...r_Pressure.jpg Quote:
There is also an explanation for "dive planes" in that link, just more down-force and more drag. |
Yep, but the air dams of I refer are behind the front of the bumper...
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Don't look for the small differences just yet fastflyer, look for the overall similarities to understand the concepts involved. EDIT: Another way to place value/importance to the forces on the chin spoiler with and without splitter relative to it's inboard or outbard distance from the center of vehicle gravity is to reflect upon "moment arms". https://www.physics.uoguelph.ca/tuto...que.intro.html https://www.physics.uoguelph.ca/tuto...e/torque10.gif Quote:
That is to say, move the same force a little more inboard, and it will not have the same effect, it will be less. To put your mind at ease, the chin spoiler and or splitter tucked further under the car is going to exert less force because of it's shorter moment arm. Below is an example of using moment arms to maximize down-force on front and rear axles. https://www.f1technical.net/forum/vi...16453&start=30 http://www.tamsoldracecarsite.net/To...ewartLolaA.jpg The idea location for down-force on a well balanced car would be at it's center of gravity, but the wing must be much larger because like the door and door hinge example there is a very short moment arm (so more force is needed to get the same net results - work done). https://www.f1technical.net/forum/vi...16453&start=30 http://66.media.tumblr.com/4899ca231...upno1_1280.jpg By studying these extreme examples of moment arms in practice you can put in context and properly evaluate the effects of tucking inboard a chin spoiler 6-inches or so. |
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Don't know about the Honda.If it's like the R-spec,then it would also be about stability,at the expense of drag. There aren't any 'clean' fast cars.They have coefficients of drags similar to a RAM 1500 pickup. |
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