09-10-2014, 03:53 AM
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#101 (permalink)
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Not Doug
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Aerohead, I am always amazed by life's timing. Couldn't you have had those mishaps with your truck after the wind tunnel and Bonneville or, maybe never? 
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09-10-2014, 12:27 PM
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#102 (permalink)
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Batman Junior
Join Date: Nov 2007
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Quite the adventure! Living vicariously while I sit here in front of a computer.  |
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09-10-2014, 02:01 PM
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#103 (permalink)
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herp derp Apprentice
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Quote:
Originally Posted by MetroMPG
Quite the adventure! Living vicariously while I sit here in front of a computer.  |
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09-11-2014, 11:41 PM
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#104 (permalink)
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Batman Junior
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That's pretty much it! Except my computer's probably older. |
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09-12-2014, 01:44 AM
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#105 (permalink)
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Not Doug
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Quote:
Originally Posted by MetroMPG
That's pretty much it! Except my computer's probably older. |
Honestly, I hope that you are older, too. |
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09-12-2014, 01:22 PM
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#106 (permalink)
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Administrator
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Phil, can you give me a bit more info about your truck? I'd like to add it to our wiki's cda list.
What year?
What is the frontal area? (or what is the height?) |
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09-12-2014, 07:49 PM
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#107 (permalink)
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Master EcoModder
Join Date: Jan 2008
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info
Quote:
Originally Posted by Daox
Phil, can you give me a bit more info about your truck? I'd like to add it to our wiki's cda list.
What year?
What is the frontal area? (or what is the height?) |
It's a 1994,2WD,2.7-liter,M-5 trans,3-passenger,regular cab,about 3,800-pounds as outfitted.
We used 29-square feet for frontal projected area.Toyota never published the frontal area.I estimated 28.925 from a photo-enlargement of their technical drawings.My tires are a little wider than OEM.If it's 'bigger',then Cd would be a little lower.Original Cd according to Toyota was 0.44.
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09-12-2014, 07:54 PM
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#108 (permalink)
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Master EcoModder
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mini-update
When I left the IHPVA speed trials I topped off the tank and ran non-stop to Fernley,Nevada,181-miles.Tank mileage indicated 37.57 mpg at an average 64-mph.Grades on I-80 were pretty gentle and winds were more favorable.
Tomorrow I head for Southern California. 
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09-12-2014, 09:25 PM
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#109 (permalink)
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...beats walking...
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Aerohead is "Toyota Quixote...tilting at aerodrag"
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09-13-2014, 10:21 AM
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#110 (permalink)
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Master EcoModder
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Phil, can you link to the technical drawing(s) you used to do the frontal area? If we know a major dimension, I can trace them in DataCAD and give you an accurate frontal area, to check your number.
Or, if you use a long (telephoto) lens on a camera and take a frontal picture with a scale (rod or measuring tape) that is on the plane of the highest portion of the truck, then that would be even better. If the lens is about at the center (particularly the side-to-side center) and from as far away as you can manage with the camera and lens you have, then that makes it more accurate.
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