In a simple engine the charge of steam works only once in a cylinder.

After a few months he could strip down the simpler engines, service and reassemble them.

A leading goal of the RS-68 program was to produce a simple engine that would be cost-effective when used for a single launch.

A touch of the starter button and the simple, 110-horsepower, four-cylinder engine behind my shoulders coughs to life.

A simple engine is an engine with only one cylinder.

These were simple engines compared to modern engine design.

The company built simple and compound engines in sizes from 10 to 40 horsepower.

The straight-six is a simple engine that is in both primary and secondary balance.

Five were compound engines, the last one a simple engine).

It is a small, simple engine consisting of a cylinder, flywheel, connecting rods and little else.