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Bill, Jim et al


I was intending to use standpipes as well.  I'm not sure I see the full
meaning of all that's reported by Jim.

Please comment on a venting system where one NACA vent is placed in the
belly skin under the cockpit.  Two vent lines emerge from a static pressure
chamber which is an integral part of the NACA duct. One line to a stand pipe
top, and the other to the fuel bay at the wing root only.  No other vents
would be installed anywhere.

To prevent siphoning fuel both of these lines would be installed so the
highest point would be higher than the highest fuel level, or a check
valve.  

Please comment ... anyone and all.

Jerry Grimmonpre   LNC2
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