HOLY COW! Botsapper strikes again with a killer photochop. Thanks!
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Originally Posted by Christ
Looks like they found that rear side panel accounts for the largest reduction in drag... I wonder how that scales down to our sizes?
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Having seen the pics of 5.0 Junkie's trailer, he's already very low to the ground. Probably not much to be gained, percentage-wise, by adding skirts. The main benefit on tractor trailers is they keep airflow away from the rear wheel truck. Not an issue for Junkie.
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Originally Posted by 5.0 Junkie
I was trying to think of a way to put the "wings" on the back of the trailer.
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If you're referring to the angled panels on the sides & top of the trailer at the very rear, let's call them a "partial boattail" instead of "wings" - terminology's important!
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On the wheels, will just a flat skirt on them suffice, or do I need some moon caps too?
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I think a flat panel would be the largest gain. Moonies wouldn't help much if covered. You could also add some material (carved foam) to taper/blend the fender & skirt area backward into the trailer side.
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I'm likely going to break down and buy one of the extended height camper shells to help there.
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I think that shell is going to help a lot, particularly if you can put a deflector on top, or add a "bubble" to the upper forward face of the trailer (as in Botsappers picture) if you don't.
I noticed the corners from the face to the top & sides are hard. If they were radiused, you'd have cleaner flow along the tops and sides as well.