F1 TECHNOLOGY :: ENGINE (PART 2)

Click here to read F1 TECHNOLOGY :: ENGINE (PART 1)

As previously mentioned in the first part, an F1 engine is capable of revving to an astonishing 19000 revolutions per minute. It is because of its ability to rev so high that the engine produces close to 750 horsepower from a relatively low displacement of 2400 cubic centimetres. This can be explained with the following formula: power = (torque x rpm) / 5252. The torque of an engine is largely fixed (by its physical dimensions). And you can also see from the formula that power and rpm are directly proportional to each other. So, if the engine can rev higher, it can produce more power.

To ensure its revvability, the F1 engines’ bore is always bigger than the stroke. This configuration is called an “over-square” configuration. Also, “valve overlap” (the amount of time, in degrees of rotation of the crankshaft, for which both the intake and the exhaust valves remain open) is also quite high in F1 engines. This leads to reduced work by the piston on the charge or exhaust gas. As you can easily imagine, the stresses thus involved in an F1 engine are exorbitantly high. To take care of this, exotic materials are used for the cylinder head, piston, connecting rod and the other parts of the engine and many of them are top-secret metals.

And, you’ll be surprised to know that it weighs a meager 95 kilos!

 

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