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Old 11-26-2020, 08:20 PM   #11 (permalink)
freebeard
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Quote:
I don't understand what you are saying freebeard.
Nor I, just thinking out loud. It went from talking up The Whit [ignore] to serrated edges to an anti-reversionary strategy. Similar to the Tesla one-way valve or anti-reversionary exhaust headers. The rear-facing aspect would be a faceted vortex trap.

Prolly more like Air-tabs.

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