Mercedes F1 engine hits new benchmark on dyno
The achievement is evidence of the huge strides that have been taken by the German car manufacturer in making improvements to its power unit, which is the most efficient racing engine in history.
Thermal efficiency has become a key target for modern engine builders, and is calculated on the amount of useful energy that can be produced from a given amount of heat input.
In modern F1 it has become particularly important because there is a strict limit of 105kg of fuel that can be used for a race.
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