geared engine

geared engine

geared engine
A geared turbo-prop engine.
An engine that has reduction gears for driving the propeller. A geared engine helps to keep propeller RPM within limits while permitting higher engine speeds for greater power output. Geared engines are utilized both on reciprocating and turbine engines. Also called a geared propeller.
References in periodicals archive ?
The E190-E2 is exclusively powered by Pratt & Whitney's GTF engine and is the third aircraft platform to take advantage of this revolutionary geared engine architecture.
Rolls-Royce recently shared details of its next generation engine designs, one of which, called UltraFan , includes a geared engine design, which will use components of the type that will be tested at the new Dahlewitz facility.
For light aircraft pilots, this was something new: A small displacement, high-revving geared engine with sophisticated carburetion and ignition, plus a composite woodcore prop.
For direct-drive engines, mineral oil such as SAE 20W-50 Phillips type-M can be used, and for geared engines, RAM prefers that AeroShell straight weight mineral oil is used.
In recent times, with the need to make flying more efficient, the geared engines have emerged as an alternative design and technology to conventional turbofans, including a thrust range from 10,000 lbs to 40,000 lbs.
The partnership will focus on high-bypass ratio geared turbofan technology and the companies will collaborate on future studies for next generation propulsion systems, including advanced geared engines, open rotor technology and other advanced configurations.
In contrast, geared engines still have lubrication, longevity and maintenance issues, none of which have been successfully addressed in the last few decades.
True to the Rotax philosophy, these were small-displacement, high-revving, geared engines with overhead valve gear.
In addition, the venture will collaborate on future studies for next generation propulsion systems, including advanced geared engines, open rotor technology and other advanced configurations, the companies said.
In addition the venture will collaborate on future studies for next generation propulsion systems, including advanced geared engines, open rotor technology and other advanced configurations," the companies explained in a formal statement.