propeller

Opportunities exist here mostly for component companies making better batteries, motors and quiet propellers.

Then my five-year-old daughter somehow managed to get one of the propellers stuck in her hair.

A couple of hours later, I noticed that another propeller—not the one that had grabbed my daughter's hair—had fallen off entirely.

Others use propellers—typically four of them—to pull themselves up into the sky, kind of like helicopters.

In a turbofan, the engine’s turbine drives a fan at the front of the engine, while in a turboprop it drives a propeller at the front of the engine.

Children have fantasy lives so rich and combustible that rigging them with lies is like putting a propeller on a rocket.

“You think of something military, hostile, weaponized,” not the tiny four-propeller aircrafts used by hobbyists and researchers.

The triangle is “like a rubber band wound up in a toy propeller,” Turner says.

The propeller to be worked by this novel engine was of course his long-idle screw.

It was a fourteen-horse-power engine, water-cooled, and geared with a chain to the propeller.

The next moment the engine began to throb regularly, and the blades of the propeller whirled.

The big propeller-wings began to beat the air, and the sound rose to a keen buzzing.

Swift and straight she flew and suddenly Chet roared to Lance to shut down, and the propeller groaningly stopped.