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The angles divert the wind over and under the feeder.
Its cross-section is much like how a long tie-bridge's x-section gets constructed these days.
The ring likely helps as well, creating a V-shaped area of lower wind force - like the pole extending in front of the pilot on a Russian K36 ejection seat.
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Strayed to the Dark Diesel Side
Last edited by euromodder; 10-06-2011 at 02:06 PM..
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