[Solved]Due Vast Knowledge Machine Design Caam Mini Racer Group Requested Assist Design Compact Tr Q37285096
Due to your “vast” knowledge in machine design, the CAAM mini-racer group requested that you assist in the design of a compact transmission for their new mini-racer. As part of this consultation is a gearbox that is used to connect a two cycle L.C. (Internal Combustion) engine to the rear axle. Peak torque and peak brake horsepower curves for the two cycle engine are presented below. The engine speed should operate in the power band, the region between maximum engine torque and maximum power output. It is desired that the automobile will travel 20 MPH in “first gear while climbing anl The weight of the mini-racer is 1,500 lb and the outer diameter of each tire is 20 in The frontal area A of the mini-racer is A 14.5 The drag coefficient is Cd 0.25. The air weight density is 0-0.074 lbr/ft. The ambient temperature is 85°F and the relative humidity is 85%. The gears are to be fabricated using a 5-axis CNC milling machine. Due to manufacturing limitations and competition regulations, the maximum reduction for a gear pair is limited to 6:1. Design a gearbox to achieve the necessary speed change. Make a sketch of your gear train and complete Table 1. List all assumptions. Tire Tire Direction of travel Peck horue Mini-racer Two cycle LC Engine 10 Engne speed RPM Tire CAAM 10% Table 1 Nominal gear parameters Gear RPM integer in-lb de/in in Show transcribed image text Due to your “vast” knowledge in machine design, the CAAM mini-racer group requested that you assist in the design of a compact transmission for their new mini-racer. As part of this consultation is a gearbox that is used to connect a two cycle L.C. (Internal Combustion) engine to the rear axle. Peak torque and peak brake horsepower curves for the two cycle engine are presented below. The engine speed should operate in the power band, the region between maximum engine torque and maximum power output. It is desired that the automobile will travel 20 MPH in “first gear while climbing anl The weight of the mini-racer is 1,500 lb and the outer diameter of each tire is 20 in The frontal area A of the mini-racer is A 14.5 The drag coefficient is Cd 0.25. The air weight density is 0-0.074 lbr/ft. The ambient temperature is 85°F and the relative humidity is 85%. The gears are to be fabricated using a 5-axis CNC milling machine. Due to manufacturing limitations and competition regulations, the maximum reduction for a gear pair is limited to 6:1. Design a gearbox to achieve the necessary speed change. Make a sketch of your gear train and complete Table 1. List all assumptions. Tire Tire Direction of travel Peck horue Mini-racer Two cycle LC Engine 10 Engne speed RPM Tire CAAM 10% Table 1 Nominal gear parameters Gear RPM integer in-lb de/in in
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