Citizen ad2992-59p Reference Guide

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[Calculation of fuel consumption rate (consumption per hour)]
Q :

If the flight time is 30 minutes and 120 gallons fuel is consumed, what is the fuel

consumption rate?

A :

Align 12 of the outer scale with 30 of the inner scale.

Result: 240 gallons per hour - 24 corresponding to the SPEED INDEX “”.

[Calculation of fuel consumption]
Q :

If the fuel consumption rate of an aircraft is 250 gallons/hour, how many gallons　

of fuel are needed to fly 6 hours?

A :

Align 25 of the outer scale with the “” of SPEED INDEX of the inner scale.

Result: 1,500 gallons - 15 corresponds to 6:00.