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Old 10-06-2017, 03:46 PM   #1 (permalink)
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Recommended rear shape and/or ducting

I have the following project trike (4-seater, like an extended Polaris Slingshot, with 3 wheels to make it street legal as a motorcycle) and am working on the tail end.



I made that admittedly amateur sheet foam tail myself, but am curious if I, say, should be using a more or less aggressive tapering angle and also curious what I should do for the (now open) top. Any ideas?

Will post more pics at different angles when I get home.

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Old 10-07-2017, 02:24 PM   #2 (permalink)
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more pics

If you can safely get up on the roof of the house,it would really help if we had images from above.
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Old 10-08-2017, 07:04 PM   #3 (permalink)
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Is this a re-post?
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1977 Porsche 911s Targa
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Chin Spoiler:
http://forums.pelicanparts.com/off-t...effective.html

Rear Spoiler Pick Up Truck
http://forums.pelicanparts.com/off-t...xperiment.html

Roof Wing
http://ecomodder.com/forum/showthrea...1-a-19525.html
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Old 10-09-2017, 10:32 PM   #4 (permalink)
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In cabin wind/"redneck a/c" aerodynamics
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Old 10-10-2017, 10:33 AM   #5 (permalink)
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Quote:
Originally Posted by freebeard View Post
And again here:

Worse than a fastback design?
Worse than a fastback design?

I even posted a sketch of it.
http://s184.photobucket.com/user/kac...ml?sort=3&o=46
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George
Architect, Artist and Designer of Objects

1977 Porsche 911s Targa
1998 Chevy S-10 Pick-Up truck
1989 Scat II HP Hovercraft

Chin Spoiler:
http://forums.pelicanparts.com/off-t...effective.html

Rear Spoiler Pick Up Truck
http://forums.pelicanparts.com/off-t...xperiment.html

Roof Wing
http://ecomodder.com/forum/showthrea...1-a-19525.html

Last edited by kach22i; 10-10-2017 at 10:43 AM..
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Old 10-11-2017, 05:46 PM   #6 (permalink)
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Recommended rear shape and/or ducting? Here you go:


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