You might be interested in the world of airplanes

The maximum takeoff weight (MTOW) or maximum gross takeoff weight (MGTOW) or maximum takeoff mass (MTOM) of an aircraft is the maximum weight at which the pilot is allowed to attempt to take off, due to structural or other limits.

The two major advantages of a turbocharged engine are greater power density and increased fuel efficiency. Because a turbocharger enables a small engine to produce more power, manufacturers can downsize their engine displacement.

A hydraulic landing gear retraction system utilizes pressurized hydraulic fluid to actuate linkages to raise and lower the gear. When the switch is moved to the UP position, hydraulic fluid is directed into the gear up line.