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I think going right up to 2M in length would be acceptable.
I looked over the thread you mentioned which indicated I could halve the Cd with just a 30%, which comes in at 1.9 M. 50% would be 3.15 M, which is really pushing the zones of practicality. Without additions I'm looking at almost 5M, so adding another 3 would make me need to get a bus license! But seriously, I would still like to be able to park this rig without extreme measures or too much interest from the boys in blue.
I noticed the bottom of the boattail was flat; is that the optimum shape? I suppose I would need a bit of an agling upwards to keep from scraping the rear of the tail off.
I was planning on straight lines, but the templates call for slight arcs. Is there much of a difference? straight lines are a bit easier to build around....
Does choice of material matter much?
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 RIP Maxima 1997-2012
Quote:
Originally Posted by jamesqf
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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