Quote:
Originally Posted by jcge
Barometric Cell test spec - 0.58 mm / 100mm Hg ( where 727mm Hg = 1 ATM = 14.5 psi) (no paper document reference...just verbals) I have no reason to doubt this but....all care..no responsibility etc etc
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Hmm. . . 100mm hg =1.93367747 psi. So you're saying that when the pressure drops, the elements inside expand, pushing the pin further out of the cell. This makes sense to me, insofar as if you remove the cell entirely, the engine runs excessively rich. So when you climb in altitude the pressure drops and the pin extends, leaning out the mixture.