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Nose Cone
Been twenty years since I did this one. It was an add on nosecone for the front of the cabover style truck which fit over the flat front of the tractor above the bumper. I figured any optimization of frontal surface would be better than the flat front face of the cabover. Learned alot about Aerodynamics. On 18 wheelers it's all about yaw angle Y'all.
Basically it wasn't that effective. It did show a small amount of improvment in the test trucks fuel efficiency. I was told by the Arkansas based company who tested it, if Diesel fuel ever went to $2.00 a gallon or more they may well consider it.
Again, that was in 1988, Diesel fuel, I think, was around $1.00 a gallon. This company no longer runs the International Cab Over style tractors either, much to the relief of drivers.
Good luck Mandilon on your Aero mods you are developing for big rigs. I have read that some business's are getting Federal Grant money for this. I sure wish they had some grant money for the light trucks!
Brett
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