JPI's FS-450: An End to an Aviator's Avgas Anxiety?

Obtaining the maximum range from our aircraft can often be guesswork: "Did I lean this correctly? How much fuel was consumed in that climb to escape icing?" A digital fuel totalizer can help ease the anxiety of these and other questions. AVweb Special Projects Editor Dave Higdon recently installed a J.P. Instruments FS-450 fuel totalizer in his Comanche. Was it worth it?

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