Is the HUMVEE Powered Sufficiently? Operation Charge 10/5/06.

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Presentation transcript:

Is the HUMVEE Powered Sufficiently? Operation Charge 10/5/06

Purpose To model power usage of the HUMVEE. To model power usage of the HUMVEE. To identify power losses. To identify power losses. To propose alterations to meet final goals. To propose alterations to meet final goals.

Gear Radio Three different gear ratios were chosen for comparison Three different gear ratios were chosen for comparison 19:119:1 15:115:1 10:110:1 This gear ratio includes the gear reducer, gear differential, and portal axel

Possible Speeds

Developing Power Model Power=V i [C r *Mg*cos(Θ)+Mg*sin(Θ)+.5*ρ air *C d *A f *V i 2 ] V i =Velocity C f =Rolling Resistance=.01 C d =Coeff of drag=.446 ρ air =1.2kg/m^3

Required Power to Move HUMVEE

Torque Requirements

Power Required to move HUMVEE in with efficiencies. (0% Upgrade)

Torque Requirements

Power Required to move HUMVEE in with efficiencies. (6% Upgrade)

Torque Requirements

Power Required to move HUMVEE in with efficiencies.(15% Upgrade)

Torque Requirements