Guy Buchanan
Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA
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 Posted: Wed Dec 31, 2008 10:11 pm Post subject: [!! SPAM] Re: carb vents |
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At 04:31 PM 12/31/2008, you wrote:
| Quote: | I was just looking at the vent lines on each side of my 582 carbs.
Both carbs are 'T' into a common line which goes out and down from
the engine compartment. I assume this was done to prevent any fires
in case of overflow. HOWEVER...I remember reading in a earlier
thread that it is not a good idea since now both carbs will have
equal air pressure and could screw up carb tuning...Thoughts ????? thanks
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I've never heard an admonition for the 582. Certainly the
912 guys have some interesting stories to tell and modification of
their vent lines is discouraged. I suspect it depends on the
installation. Certainly you are potentially messing with the mixture,
as the Bing 54 relies on venturi / float differential for flow rate.
Were you to put that vent near a high velocity air stream, you could
get really lean. However, were you to use large diameter tube and
locate the end inside the cowl, away from moving air, I can't imagine
you'd hurt anything. You'd definitely want to A/B test it, though.
Guy Buchanan
San Diego, CA
K-IV/1200 w/ 582 C-box & Warp 3 blade
100% and flying thanks mostly to Bob Ducar
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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too. |
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