Question

Hame manual transmission: 1st-3.24, 2nd - 2.10, 3rd - 1.42, 4th - 1.00, 5th - 0.81 and 6th - 0.62. The differential has a ratio of 3.55:1 (the tire spins slower than the output of the transmission). The rear tire radius is 13.63 inches and the engine's maximum speed is 7500rpm. If the car is travelling at 105mph, what is the lowest selectable gear by number and corresponding engine speed? A 2018 Mustang GT has the following gear ratios in its Differential Engine Transmission Rear Tire

Answer 1

cas= 1OSmph VE1OSemphy to RDO 4Xxadiw of X13.63X 002S4 1OSXI6 X10 3600 O.1347S O.13 4X 60 p x103 X103 14 66 ק 66י Wpitterantial issian=3 SS X 1666 66 5916.66( As the ditterenhal gears oalho is 3.5511) marimuum speede 1S00p m Engine's bas the mínimurm 64 gears an t Occurs at Or62 geas ratio ot lose to saho of the gea whi ch is The geau 126 is needed 5916.66 numbeS Ra engine speed is 4 th Nowest selectable geas Thus toe corespon dng and