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me_engineering.xlsx

Sheet1

0
500 166.6
1000 212.1 OGR=DGR * TGR
1500 242.4
2000 282.4
2500 315 DGR= gear ratio in defferential
3000 328.3 TGR=transmittion gear ratio
3500 335.55
4000 322.2
4500 273.05
5000 184.3 V=dx/dt
TRACE= elapsed time to finish race
now since TGR=TGR1,
then EPRM which is the engine speed is given by
ERPM==OGR*WHEEL SPEED
we use the above formula to calculate initial ERPM which is the engine speed
ETRQ is the engine torque
NO
YES it is given by wheel torgue divided by OGR
This is =WTORQ/OGR
YES
WFOQ is the wheel force
NO it is given by deviding W torq by wheel radius
12
NO YES
TRACE is the elapsed time ratio
ERPM is the engine speed
its given by multiplying OGR by WRPM

read values of input variables from worksheet

inialize V,Y, TRACE calculate TGRRatios let TGR=TGR1 Calculate iniatial erpm

calculate ETORQ and WFORC we calculate the new V, X, TRACE and ERPM

Is X<1320?

is ERPM<SHIFTRPM?

then we output our TRACE to worksheet

IS TGR<>TGR TOP?

Shift to the next gear