Final verdict

Set the "60" index (the large black triangle) under 11 (representing 110 knots) on the outer scale. Find 18 on the outer scale; directly beneath it on the inner scale is 9.8 minutes . Fuel Consumption: This follows the same ratio as TSD.

: The device is built on a 60-to-1 ratio, aligning with the 60 minutes in an hour. To calculate speed, you align the Rate Arrow