Forum Discussion
4x4ord
Dec 14, 2017Explorer III
travelnutz wrote:
As a nearly 40 year automotive engineer and automotive engineering operation owner, I sure as hell do know what I'm talking about! Taught many classes and you'd be wise to attend such! Torque and only torque is what and the force that turns the wheels to make the vehicle move at all or to any desired velocity and keeps it at that velocity also. Especially apparent on an uphill grade where torque does it all, all the time. Simple, as if you do NOT have adequate torque to maintain a desired velocity, the vehicle will drop in velocity.
Theoretical horsepower turns NO vehicle wheels nor does it apply one ounce of force to turn any wheel as horsepower is only theoretical calculation value. Torque is the only axle/wheel twisting force ever present! NO work is accomplished or done at all if there isn't adequate torque to make the wheels turn to any velocity. Try to deny this known well long time established FACT!!!
You've got your units confused. Asking how much torque is required to move a 20,000 lb truck up a 7% grade at 60 mph is like asking how may feet of gasoline it takes to fill your fuel tank.
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