|
The rpm is 5252.
The only thing that matters in an engine is power. Power has 2 components, torque and rpm. These combined make up the power number known as horse power.
For example, if you have an engine making 200 ft/lbs of torque at 2000 rpm, the power is 200x(2000/5252) = 76hp
If you have an engine making 100 ft/lbs of torque at 4,000 rpm, the power is 100x(4000/5252) = 76hp
Thus both engines in this scenario are at those moments in rpm are delivering exactly the same power and would deliever exactly the same acceleration results.
Think of riding a bicycle and torque being the tension that you are exerting on the chain. RPM (cadence) is how fast you are turning the pedals. If you are exerting 50 lbs of tension on the chain and suddenly change that to 100 lbs without changing your rpm, you have doubled the power you are delivering. Likewise, if you keep exerting 50 lbs of tension on the chain but double the rpm you turning the pedals, you have also doubled you power.
To see the power of an engine, you must look at the hp numbers, which account for both torque and rpm. If an engine delivers 1,000 ft lbs of torque at 100 rpm, it is making 19 hp. If an engine delivers 50 ft lbs of torque at 4000 rpm, it would be delivering 38 hp and be making twice as much power.
__________________
Ali Al-Chalabi
2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record
|