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Old 07-22-2004
GordMay GordMay is offline
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Fuel Return Ratio

The total engine fuel flow, on a 3GM30 ( 27hp ) is not much greater than the engine fuel consumption as the return flow is low.
On a 6CX-ETE ( 420hp ) the total flow is 846 litres per hour at full power. The return flow is 756 litres per hour give or take a bit.

So, you may wish to take my previous advice with a grain of salt, and do what you can to confirm the approximation.

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