In this article, we will look deeper at geared turbofan engines and all they offer. A traditional commercial jet engine has two separate pieces: the fan (which you see at the front of the engine) and ...

This will be true, apparently, of the geared turbine, should the theories and expectations of its inventors, as set forth in another column of THE TIMES this morning come to full realization.

For those unfamiliar with these terms it may be said that with the electric drive the power of the steam turbines or engines is transmitted ... With the geared drive the power of the turbines ...