Paul,
       This is kinda off subject due to it being on a chicken barn. So,
       you may want to contact me privately and tell me to
       take my fan and ......
       Either way, thanks.
       Dave D

Paul,
I am a bit confused. But here is the question(s) I have that really does
relate to rotary exhaust, just without the heat and velocity.
These large fans exhaust air out of the barns horizontally and the air
currents / wind at that time carry the air and particulates across the
ground (to aggrevate me).
I am trying to give the company some info / facts that ducting that
exhaust UP and away would allow neighbors and me to breath better.
And possibly a baffle to restrict the particulates or at least some of
them from going into the air.
The fans presently are belled on the outside.  Which the company says
allows the air to loose energy and more easily escape the confines of
the duct.  (Hmm, really?)
All this is much the same with the rotary exh, most often due to
necessity, bend 90 degrees into an expanding volume and baffle /
diverter plates to further reduce energy.
Seems very similar.  Where do I get some info?
If I don't get them to do something with the smell, you guys will not
want to fly to the farm airstrip for a visit.  :(
But, if I do get them to duct the air UP, it is recommended to hold your
breath while in the pattern.
Thanks,    Dave D


Ducting the air up 90 degrees will help just a little bit as far as the stink
of just the air is concerned. What will really help is the particulate content of the
air, if any, will be removed. It will accumulate inside the 90 bend due to centrifugal force
throwing  the particulate outwards towards the outside wall. This will have
to be cleaned from time to time depending how much particulate is in the air.
That alone should reduce the stink from just the particulate itself.
As it is now that stuff is falling to the ground and accumulating and of course
stinking in the process.

Paul Lamar ...No rotor no motor.

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