I engage drive engines and begin a rapid circle of the town's perimeter.

I wait until she and the colonists are clear, then engage drive engines.

Those who tried too hard to find out generally died because their drive engines blew up.

The drive engines were reduced to 2% of their normal energy.

"I'll say we built a drive engine out of them-it'll keep up their respect."

Selenski, you go up to the control room and shut off everything except the drive engines.

I don't even know if your drive engines look like ours, let alone work the same way.

It is famed for making a four-wheel drive engine, that was quite successful.

John and Don stand by the giant drive engines.

Like the L2, the L5 was a direct drive engine.