Word: compressional
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This simple design has a bad limitation. All the rows of blades in the single compressor must revolve at the same speed. This works all right up to a compression ratio of about eight to one. Above this ratio single compressors are found to be inefficient, even though they may...
The new record (old record: 149.95 miles per gallon) was set in a 1924 four-cylinder Chevrolet. But the car was completely rebuilt. The compression ratio was stepped up from the normal 6-1 to 10-1, the fan belt taken off (to save the power required to turn it...
General Motors' new models looked the same on the outside, but under the hood there were some important changes. Biggest improvement was the use of a new carburetor in the Cadillac, Buick and Oldsmobile. When the accelerator is pushed down more than halfway, the carburetor supplies the engine with...
At 7:30 p.m., miners in the deep galleries of Illinois' New Orient Coal Mine No. 2 froze in their tracks, stood staring and listening in the dark. Their ears felt clogged by a sudden compression of air. Wind touched their faces. Some heard a low, distant rumbling and...
Bottled Air. Another aeropause problem is air. Crewmen must have the kind of air they are accustomed to, and such air is hard to find in the aeropause. To compress the thin outside air to breathable density and dissipate the heat of compression would take heavy machinery, and the air...