___________________________________________________________________
| R p | | |
| e e | I | | Consumption of
| v r | n | Temperature | air per horse
| o | d h p| of air. | power and per
| l m | i o o| | hour.
| u i | c r w|__________________|________________
| t n | a s e| | | |
Motor. | i u | t e r|Admission|Exhaust.|Nominal| Brake
| o t | e .| | | horse | horse
| n e | d | | | power.| power.
_________________|_s_.__|______|_________|________|_______|________
| | | deg. C | deg. C | |
Nominal 80 horse | 54.3 | 72.3 | 129 | 21 | 469 | 517
power single | 54.3 | 72.3 | 152 | 29 | 437 | 475
cylinder Farcot | 54.0 | 72.3 | 160 | 35 | 424 | 465
engine. | 40 | 65.0 | 170 | 49 | 438 | 477
_________________|______|______|_________|________|_______|________
These motors, it may be assumed, represent the best practice that has
been obtained up to the present time in the construction of compressed
air motors; with the smallest of them, indicating about one-tenth of a
horse power, the consumption of air, when admitted cold, was 1377
cubic feet and 988 cubic feet when the air was heated before
admission.
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