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Old 04-30-2019, 08:53 PM   #8 (permalink)
freebeard
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Air over a tarpaulin or whatever has problems (buffeting). A vertical wall between the tow vehicle and the trailer will block crosswinds. Vortex traps in the lower right:

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The only reason that the chicken is not gone extinct is because they're so delicious that we breed them at a very high rate to ensure that we don't run out of Chris Ray Gun
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