aerodynamic car idea, a wild thought
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This is a poor drawing of a design idea that I came up with which may be a more detailed design someday. But I'm not knowledgeable about aerodynamics or any field of engineering for that matter. So I'd appreciate it if you'd have any suggestions or opinions on the viability of such a concept. cheers...
http://ecomodder.com/forum/attachmen...9&d=1489954695 |
Looks like a good start, just a few suggestions.
The area behind the rear wheel sweeps up too much, must be kept to about seven degrees or it may create lift. Also try overlaying it with a 50 percent transparency of the aero-template as seen as a Sticky thread at the top of this forum. |
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I've done these types of overlays maybe 100 times by now, just went ahead and did this one.
Some may disagree with the foil/wing option shown in pink. It's a idea which came up with an aerodynamist over coffee, but was told this cavity is best filled in to the recommended angle. I just think it would look cool with a few diffuser/vane straighteners both vertical and horizontal. Although not the best in snow climates or on maintenance and cleaning. Might make good place for spiderwebs and bird nests too.:( http://ecomodder.com/forum/attachmen...2&d=1490019680 |
The G1 Insight is somewhat close to that shape, though truncated. The rear wheels are significantly closer together than the fronts so the body can taper, and the body design really does work as is evidenced by some people exceeding 100mpg in it on the highway.
I've often thought it would've been neat had Honda extended the rear and made the space usable. It could almost certainly have been at least a 3 seater. Http://www.insightcentral.net/_images/enviewangles.jpg |
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Are you trying to design a 5-seater with a mid-mounted cockpit? That looks interesting.
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The real reason the rear diffuser with wing/foil is wrong minded is rear impact. In a perfect world or on a race car it would work well enough, but is complex and would take a lot of wind tunnel testing to get right. EDIT: I just spotted this inverse and sort of boxed out rear diffuser - almost a mirror image of most, a male/female mold. http://honda-tech.com/forums/honda-c...build-2563960/ http://i42.tinypic.com/s4b56p.jpg Maybe there is fun research ahead for this part of the car. |
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The more details you address such as; engine access, wiper blades, air intakes/exhaust ventilation, interior design, chassis structure, buildability, headlights, turn signals, side view mirrors, door handles, gas cap, gas tank location...................the more detail addressed, the more thought out and realistic it is, and perhaps the more appreciated by the viewer. Imagine some perspective client or employer looking at your drawing for five minutes without saying a word and then suddenly they say how do you get in the trunk? Without the little seams and joints providing clues the question could come up. And yes; that rear hatch opening just as the door opening size and shape is going to affect crash safety. You don't have to do crash safety simulations as the general designer or stylist but you don't want to raise any read flags and look impractical. Now if you were in a design competition sponsored by some Tier-1 supplier that just invented some super material which would allow you to do things never before possible, that is a different opportunity and a different expression of design to solve or exploit and something different would emerge. |
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