The water be thrash and churning about under the propeller
The energy in the wind turns two or three propeller-like blades around a rotor.
Launching it is a matter of snapping the parts together and throwing it into the air, whence it is carried aloft by an electric propeller.
She and other engineers are toying with lighter materials and some are pondering ideas as radical as returning to propeller-driven planes as an eco-friendly alternative to passenger jets.
The propeller blade has been mounted.
Nothing seems to be wrong with the propeller shaft.
The propeller can follow the wind velocity closely during hingspeed gusts.
The trouble was that at high altitudes where there is less oxygen, the propeller blades had little air to bite and engines still needed oxygen to burn petrol.
Jet planes have displaced propeller ones.
A piece of string has twisted round the propeller.
The strength calculation formula of the screw propeller under the action of centrifugal force was obtained through multivariate fitting.
The propeller is usually mounted on a mast behind the pilot and raised for take-off (or to gain more height or distance once airborne) and then lowered back inside the fuselage.
Right before she got to 3000 feet, the propeller stopped, and she twirled to the ground.
A large disc-shaped rectifying antenna attached to the fuselage harvested the microwave energy, turning it into direct current to power an electric motor attached to the plane's propeller.
Can you free the propeller from the weeds?
Drugs are dumped out of propeller planes or unloaded from ships just off the coast of Guinea, Guinea-Bissau, or Sierra Leone, and then broken into smaller parcels to be shipped north.
It suffered from a cumbersome conversion process, and its detachable wings and propeller had to be left at the airport.
The turboprop engine is very much like the turbojet. It has an additional part, a propeller.
The seals could have swum close to such a propeller, and met a gruesome end when it was suddenly switched on.
When a plane's propeller, for example, spins through a cloud, the propeller exerts a rearward force.
The propeller turns a small D.C. generator.
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