This software estimates the ability output of a automobile primarily based on its efficiency over a brief distance. Particularly, it makes use of the elapsed time and automobile weight from an eighth-mile drag strip run to supply an approximation of engine horsepower. The calculation depends on established physics ideas relating acceleration, mass, and pressure, in the end translating to a measure of energy. For example, inputting a automobile weight of 3300 kilos and an eighth-mile elapsed time of 8.0 seconds would end in a calculated horsepower determine.
Estimating energy from observe efficiency affords a handy different to dyno testing, significantly for race vehicles and modified automobiles the place direct engine measurement could also be impractical or unavailable. These calculations may present precious insights into the effectiveness of modifications or tuning modifications by observing ensuing efficiency enhancements. Traditionally, this technique has been employed in motorsports and automotive engineering as an economical option to gauge the potential of a automobile’s powertrain with out in depth instrumentation.