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Load_calculations - EML 3005 MECHANICAL DESIGN Five-Speed...

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Fa 26.955625 := Max Speed (mph) : 139 mph Max HP: 260 HP @ 5250rpm Max Torque : 302 lb-ft @4000rpm Input gear #4 Pitch dia (in) : Dp4 6 := (choosen value) Dpitch Dp4 := Axle Ratio : AxleR 3.27 := Duty Cycle: i 1 13 .. := INPUT GEAR : Gratio 1.00 := MG i 3.37 3.37 3.37 1.99 1.99 1.99 1.33 1.33 1.33 .67 .67 .67 .67 := Speed i 10 20 30 20 35 45 30 40 50 50 75 100 139 := Miles i 5000 5000 5000 5000 10000 5000 20000 20000 15000 30000 35000 35000 10000 := Miles tot 1 13 i Miles i = := Miles tot 2 10 5 × = Hours i Miles i Speed i := Rpm i Speed i 22 15 60 π DTire AxleR MG i := EML 3005: MECHANICAL DESIGN, Five-Speed Gear Box -Load Calculations Nagaraj K. Arakere Mechanical & Aerospace Engineering University of Florida Angle1 20 := φ Angle1 π 180 := φ 0.349 = radians (Pressure) Angle2 25 := ψ Angle2 π 180 := ψ 0.436 = (Helix) CAR SPECS : radians Car Weight (lbf) : W 3280 := Tire Diameter (ft) : DTire 25.70 12 := DTire 2.142 = Tire Pressure (psi) : PTire 44 := psi Drag Coeffiecient : Cd .36 := Car Frontal Area (ft^2) :
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Hours i 500 250 166.667 250 285.714 111.111 666.667 500 300 600 466.667 350 71.942 = Rpm i 3 1.441·10 3 2.883·10 3 4.324·10 3 1.702·10 3 2.979·10 3 3.83·10 3
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