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2. Speed (Ground Speed) CalculationProblem:What is the speed (ground speed) of an airplane when it takes 1 hour and 20Solution:Align the 24 on the outside scale with 1:20 (80) on the inside scale. At thisY) on the inside scale, and theanswer is 180 Kt.# Page 4385845.Fuel consumption calculation Problem:How much fuel is consumedin 6 hours at a fuel consumption rate of 250Solution:Align the 25 of the outside scale with the inside scales SPEED INDEX (Y)of the inside scale. The 6:00 is aligned with 15, and the answer is 15004.Fuel consumption rate calculation Problem:If 120 gallons of fuel are consumed in 30 minutes flying time, what is theSolution:Align the 12 of the outside scale with 30 of the inside scale. The SPEEDY) now points to 24, and the answer is 240 gallons per hour.# Page 4487867.Conversion Problem:How do you convert 30 miles into nautical miles and kilometers?Answer:Align the 30 on the outside scale with the STAT (Y) mark on the insidescale. At this time, 26 nautical miles is aligned at the NAUT (Y) mark onthe inside scale, while the answer of 48.2 kilometers is aligned at the6.Maximum flying hours Problem:With a fuel consumption rate of 220 gallons per hour and a fuel supply ofSolution:Align the 22 of the outside scale with the inside scales SPEED INDEX (Y)of the inside scale. The 55 of the outside scale is now aligned with 2:30, and# Page 4589882.Division Problem:250/20 Solution:Align 25 on the outside scale with 20 on the inside scale. On the outsidescale read the 12.5 mark that is aligned with10 on the inside scale. figure the B. General calculation functionsProblem:20 M15 Solution:Align 20 on the outside scale with 10 on the inside scale, and read theRemember: decimal places cannot be read on this scale.# Page 4691904.Determining Square Root Problem:What is the square root of 225?Solution:Rotate the scales so that the value on the inside scale corresponding to 22.5to10 on the inside scale, and read off the answer of 15 at that location.