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Jim Sower wrote:
I don't think ingesting iron filings is the way to go, and I don't think magnets
will prevent ingestion. I further don't think any of us can develop a reliable
(key word here), simple (even more key) telescoping intake. For openers, it
would involve a largish object (plenum, throttle valve and connection to air
filter/turbo) that sort of meanders all over the engine compartment, roaming
hither and yon in search of the ideal runner length, and only very marginally
lashed down (as that would inhibit its meanderings). This whole train of
thought is turning into a ten cent tail wagging a forty dollar dog.
Get some flat weather stripping. Make the outside tube large enough to accept the weather stripping. You'll want one side of the stripping attached to the inside tube, with the other side folded over. As the intake tries to suck air, it'll pull the strip out against the outside tube. You'll get a perfect seal every time.
Put the plenum on an X-Y table. I wouldn't think that it would have to travel more than a few inches, and moving the plenum 1" will give you 2" more tube.
--
http://www.ernest.isa-geek.org/
"Ignorance is mankinds normal state,
alleviated by information and experience."
Veeduber
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