Quote:
Originally Posted by jrfiero
and I found this thread ecomodder dot com/forum/showthread.php/enclosed-trailer-aero-kammback-22075.html?highlight=enclosed+trailer+aero+kammbac k.
Don't know why that didn't turn up in my original search, but very helpful in understanding the possibilities, and of course includes posts from Aerohead and Aeromodder!
I was trying to find some tall plastic wastebaskets with rounded edges as material for fender fairings, but the tall-enough ones are pretty pricey. Maybe I'll cobble a couple together. I've found the material of the Rubbermaid or other quality brands to be excellent for shaping, in that they already have useful radii and can be cut and manipulated easily. Easier that buying and forming aluminum.
Jonas
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In the masonry section of The Home Depot,they have a $7 black ABS mixing pan with pretty good radii all around it.Weighs maybe a pound.The long axis sides might be long enough for fender lead edges.
At Tractor Supply they have a black ABS feeding trough with very generous edge radii,along with steel support structure complete for around $119.This trough is large enough to make leading edge radii for the vertical trailer sides in the long axis,and maybe enough material at each end for the fender leading edges.Very lightweight for its size also.
If you GOOGLE semi-trailer fuel economy you'll see where at least one manufacturer is offering a 'kit' to soften these squarish edges.