Quotes About Propellers

In my dream, all of the collapsed ceilings reformed above us. The fire went back into the bombs, which rose up and into the bellies of planes whose propellers turned backward, like the second hands of the clocks across Dresden, only faster.

But these, wide-finned in silver, roaring, the light mist of their propellers in the sun, these do not move like sharks. They move like nothing there has ever been. They move like mechanized doom.

The ocean is loud: Ship propellers, sonar, oil and gas drilling and other industrial work make sounds, even if, like the proverbial tree falling in the forest, no one can hear it.

No data on air propellers was available, but we had always understood that it was not a difficult matter to secure an efficiency of 50% with marine propellers.

It happens that the equations of fluid flow are in many contexts dimensionless, meaning that they apply without regard to scale. Scaled-down airplane wings and ship propellers can be tested in wind tunnels and laboratory basins. And, with some limitations, small storms act like large storms.

There is no point in expending good money on the pursuit of an engine that can power aircraft without propellers. What is wrong with airships anyway? They have borne mankind aloft for over a hundred relatively accident-free years and I see no reason to impugn their popularity...

In those days the planes had propellers and couldn't make the trip nonstop and, worst of all, traveled through the sky.