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My tank cannot go as far as my coupes tanks JIM ----- Original Message ----- From: "Greg Bullough" <[EMAIL PROTECTED]> To: "Sydney Cohen" <[EMAIL PROTECTED]>; "Jan E Zanutto" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; <[email protected]> Sent: Monday, December 23, 2002 10:16 AM Subject: Re: [COUPERS-FLYIN] FUEL CATCH 22.doc > At 05:57 PM 12/22/02 -0600, Sydney Cohen wrote: > >Jan, we have the cork-and-wire guage in the header tank and, if we have 9 > >gallon wing tanks, the sight guage in the left tank. If we have 7.7 > >gallon wing tanks, commonly called 8 gallon tanks, we have the > >cork-and-wire guage there. > > ...which of course do not meet the Fed's requirements of being accurate > when reading > 'empty' because they hit bottom and read empty when the wing tanks are about > half-full (or half-empty for the pessimists). > > This leads to the Poly-uncertainty period. 'Poly' because the doubt is about > multiple tanks, and '-uncertainty' because between the time the floats in > the wing bottom out and the header starts dropping (and/or your O-200 > 'fuel pressure' light comes on) you are 'uncertain' about what your real > fuel situation is. This period lasts for over one hour and less than two. > > Of course if you know how much fuel you use and are conservative you don't > really care anyway, because you arrive at your fuel stop a good bit before > the header tank float starts dropping, anyway. Besides, unless you're that > dehydrated Frenchman, Pierre, you really wanted to pee about 15 minutes > before that. > > Greg > ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm
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