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Old 02-02-2016, 08:25 PM   #1861 (permalink)
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This needs a shark-mouth and flames sooooo bad:

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Old 02-05-2016, 06:40 AM   #1862 (permalink)
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Quote:
Originally Posted by ennored View Post
You decide....

Design follows the aero template? Or just a coincidence?


I see a few of these trucks everyday on my way to work. The sloping roof screams aero to me. Follows the template to almost 30%. Can't be, right?
Bringing back an old post, but the link is dead, I'm interested in what car was that and nobody mentions anything that would let me find more about it.
Can anyone help?

BTW, the rule that new users can't post links even in accurate quotes is overreaching.
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Old 02-05-2016, 08:25 AM   #1863 (permalink)
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Old link was a random google image found picture. So is this one, we'll see if it lasts.

I don't think I ever found any more information though.



"Isuzu Spray Truck" finds some for sale... no mention of the body maker that I have found yet.

Last edited by ennored; 02-05-2016 at 08:50 AM..
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Old 02-05-2016, 02:23 PM   #1864 (permalink)
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Quote:
Design follows the aero template? Or just a coincidence?
Coincidence. The taper starts late and there is no taper in plan. Square edges? Thee Template is a cruel mistress.

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Old 02-05-2016, 03:12 PM   #1865 (permalink)
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little jona - '91 Dodge D 250 first gen cummins LE
Team Streamliner
90 day: 23.4 mpg (US)

Little Jona airo modded - '91 Dodge RAM 3/4 TON D 250 24 AUTO
Pickups
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90 day: 18.5 mpg (US)

The Salted Hound Jenny. - '87 Dodge Ram 50/D-50 5sp 4X4
90 day: 20.24 mpg (US)

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Hear is a company that did thire airo home workClick image for larger version

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This would also work for any " larger than cab " stile of bed / box. Eg Ambulance, flatbed, utilitie beds ect...
1 more mod I will surely throw in would add ?
Inflatable corners on the front of the box .
However in snow country frozen snow and ice could buildup on the outside of the inflatable. Blocking the door from operating
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Old 02-05-2016, 06:09 PM   #1866 (permalink)
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Quote:
Originally Posted by freebeard View Post
Coincidence. The taper starts late and there is no taper in plan. Square edges? Thee Template is a cruel mistress.
Don't know that I'd go so far as to say coincidence. While plan taper would certainly help, the roofline is surely buying something.

Seems to be working for Don Bur:



They claim 11.3% fuel savings. Even if it's half that, the roofline is doing quite a bit.
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Old 02-05-2016, 11:47 PM   #1867 (permalink)
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A lot more camber in the roof, and a 'fairly' well faired-in undercarriage. They might get half that. It's hard to ignore the excentric hub on that second axle.

gumby79 -- I've always thought you could cut a wedge-shaped 3/4 door frame out of a donor at a wrecking yard and have the door close on that. Problem solved.
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Old 02-06-2016, 12:42 PM   #1868 (permalink)
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eccentric

Quote:
Originally Posted by freebeard View Post
A lot more camber in the roof, and a 'fairly' well faired-in undercarriage. They might get half that. It's hard to ignore the excentric hub on that second axle.

gumby79 -- I've always thought you could cut a wedge-shaped 3/4 door frame out of a donor at a wrecking yard and have the door close on that. Problem solved.
I think it's a tag axle,for running empty.Notice the daylight under the other side's wheel.
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Old 02-06-2016, 12:52 PM   #1869 (permalink)
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roofline

Quote:
Originally Posted by ennored View Post
Don't know that I'd go so far as to say coincidence. While plan taper would certainly help, the roofline is surely buying something.

Seems to be working for Don Bur:



They claim 11.3% fuel savings. Even if it's half that, the roofline is doing quite a bit.
With 'Kamm's' research at the FKFS,the roofline camber as the only variable,was responsible for reducing the drag of a wing-like body from Cd 0.70,to Cd 0.21,a 70% drag reduction.
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Old 02-07-2016, 08:58 AM   #1870 (permalink)
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I'm sure these two entries are not controversy free, but I see some merit in them.

Random TRANSPORTATION pictures - Page 1642 - Pelican Parts Technical BBS


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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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