719 | 0.209
14 | 14.102 | 2.798 | 0.215
15 | 14.471 | 2.871 | 0.223
_______________|_________________|__________________|____________________
Objections to water injection are as follows:
(1) Impurities in the water, which, through both mechanical and chemical
action, destroy exposed metallic surfaces.
(2) Wear of cylinder, piston and other parts, due directly to the fact
that water is a bad lubricant, and as the density of water is greater
than that of oil, the latter floats on the water and has no chance to
lubricate the moving parts.
(3) Wet air arising from insufficient quantity of water and from
inefficient means of ejection.
(4) Mechanical complications connected with the water pump, and the
difficulties in the way of proportioning the volume of water and its
temperature to the volume, temperature and pressure of the air.
(5) Loss of power required to overcome the inertia of the water.
(6) Limitations to the speed of the compressor, because of the liability
to break the cylinder head joint by water confined in the clearance
spaces.
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