Power-to-weight ratio is a measurement of actual performance of any engine or power source.
Power-to-weight ratio ( PWR) (also called specific power, or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another.
( May 2021) ( Learn how and when to remove this template message) Please help improve it by removing references to unreliable sources where they are used inappropriately. This article may contain excessive or inappropriate references to self-published sources.
