What is the efficiency of a steam catapult?

The efficiency of a steam catapult, commonly used on aircraft carriers to launch planes, typically ranges from 80% to 90%. This high efficiency is due to the rapid conversion of steam pressure into kinetic energy, allowing for quick and powerful launches. However, energy losses occur due to factors like friction, heat dissipation, and mechanical wear. Overall, steam catapults are effective in providing the necessary thrust to propel aircraft from a short runway.