In October 1940 they were run as a single complete engine for the first time.

Wall Street is "the single largest engine for the city, but it's not the only one," he said.

Owners often spend $50,000 or more for a single engine just to be competitive.

A single engine was fitted at one end of the unit.

Thus, for a light load, only a single engine will run, while all three kick in if more power is needed.

The sound was of a single engine, not two.

There are 12 aircraft based at this airport, all single engine.

This was due to the technology of the time limiting the power that could be developed by a single engine.

"It was an old boat," he said, with a single engine.

Traditionally, only a single engine can actively scan a system at a given time.