Question 7 A Truck For The Information In Figure 10 8 Applies Operates Over A Haul Road With A 4 Slope And A Rolling 1 (52.11 KiB) Viewed 44 times
Question #7: A truck for the information in Figure 10.8 applies operates over a haul road with a -4% slope and a rolling resistance of 200 lb/ton. If the gross vehicle weight is 80,000 lb, determine the maximum speed of the truck? Show all the calculations. 11 mph O 14 mph O 15 mph 13 mph
chart. Figure 10.8 is a sample chart. 150 40 30 25 Performance Chart Engine: GM 6–71 N at 239 hp Transmission: Fuller 5GT-1220 Axle ratio: 16.07:1 Tire size: 16.00-25 Ro.Ra. 28.6 in. 100 90 80 70 60 50 Rated GVW 40 30 First 25 Rated NVW 20 Total resistance, percent of vehicle weight Second Rimpull, lb (x1000) -Third 5 Fourth 4 3 Fifth 2.5 2 1.5 300 200 150 100 80 60 50 40 30 20 0 5 10 15 20 25 30 35 40 45 50 Vehicle weight, lb (x1000) mph FIGURE 10.8 Performance chart for a 22-ton rear-dump truck
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