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The way to go IMO is a direct shot from outside to the TB with a flapper that can close that and open to filtered engine compartment air. Take off on filtered air, switch to ram air when you're out of the dust cloud. If takeoff is expected to be marginal, take a chance with the ram air. I plan to have a cavity in the plenum to accumulate gravel and FOD if I have the space.
But that's just me ... Jim S.
Bill Dube wrote:
Snow can clog a screen. If you put in a filter or a screen, you must put in some sort of by-pass in case it gets clogged with snow.
At 02:26 PM 4/12/2005, you wrote:
Where in heavens name do you fly, Jim? That many bugs I want to say away from {:>). They would likely dimple and distort the leading edge causing a total disruption of airflow and then a spiraling descent -well, you get the idea.
Ed A
----- Original Message -----
From: James Maher <mailto:deltaflyer@prodigy.net>
To: Rotary motors in aircraft <mailto:flyrotary@lancaironline.net>
Sent: Tuesday, April 12, 2005 4:21 PM
Subject: [FlyRotary] Re: Air Cleaners-Screens (was Re: Latest on
the Motor Trouble
One situation that I can think of, that is very likely to occur
would be flying into a swarm of bugs. Even a coarse screen such
as Al has installed could
easily become clogged with dead bugs choking off all intake air
and causing the engine to stop running. That swarm of bugs
without the screen would in all likelyhood be ingested and spit
out through the exhaust without so much as a hiccup by the
engine. Just playing devils advocate. :o)
Jim
Jerry Hey <jerryhey@earthlink.net> wrote:
snip
This is kind of a weird
topic to me as I can't think of any reason to not protect the
engine
with a filter.
snip
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