- #1

OZwurld

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Example vehicle design criteria:

▪ Gross vehicle weight (GVW): 190kg*9.81 = 1863.9N

▪ Weight on each drive wheel (WW): 1.84kg *9.81 = 18N

▪ Radius of wheel/tire (Rw): 216mm

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▪ Desired top speed (Vmax): ?

▪ Desired acceleration time (ta): ?

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▪ Maximum incline angle (α): 2 degree

▪ Worst working surface: concrete (good)

TTE [N] = RR[N] + GR[N] + FA[N]

Where:

TTE = total tractive effort [N]

RR = force necessary to overcome rolling resistance [N]

GR = force required to climb a grade [N]

FA = force required to accelerate to final velocity [N]

->> what value of t do i use , do i also just pick a value that suits me like i did with the velocity?

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TTE = (16.72+1393*sind(2)+((1393*10)./(9.81*t)))

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Thanks..