Street Railway Motors With Descriptions And Cost of Plants And Operation of the
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To quickly assess the difficulty of the text, read a short excerpt:
It has been shown that the cost of fuel in compressing air to 500 pounds is only 7 mills per car-mile, which constitutes but about 5 per cent, of the whole expense of operation and even if some economy should result from lower compression, which is doubtful, it would not compensate for the very serious objection of frequent stoppage to replenish the supply.
In the pamphlet which advocates the merits of the low-pressure system, objections to the high-pressure are stated ; but there are none that... have not been fully con- LOW-PRESSURE AIR MOTORS. 139 sidered and answered. There is, however, an objection to the cable urged by the writer that has much force, and that is, that the power of the cable must be sufficient for the maximum business at the most busy hours of the day, and that this same power must be expended when the travel is a minimum, if there is only a single car upon the line. To avoid this great waste of power it is stated that some cable lines have stopped the machinery at night and substituted horse-power.
What to read after Street Railway Motors With Descriptions And Cost of Plants And Operation of the?
You can find similar books in the "Read Also" column, or choose other free books by Herman Haupt to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It has been shown that the cost of fuel in compressing air to 500 pounds is only 7 mills per car-mile, which constitutes but about 5 per cent, of the whole expense of operation and even if some economy should result from lower compression, which is doubtful, it would not compensate for the very serious objection of frequent stoppage to replenish the supply.
In the pamphlet which advocates the merits of the low-pressure system, objections to the high-pressure are stated ; but there are none that... have not been fully con- LOW-PRESSURE AIR MOTORS. 139 sidered and answered. There is, however, an objection to the cable urged by the writer that has much force, and that is, that the power of the cable must be sufficient for the maximum business at the most busy hours of the day, and that this same power must be expended when the travel is a minimum, if there is only a single car upon the line. To avoid this great waste of power it is stated that some cable lines have stopped the machinery at night and substituted horse-power.
What to read after Street Railway Motors With Descriptions And Cost of Plants And Operation of the?
You can find similar books in the "Read Also" column, or choose other free books by Herman Haupt to read onlineMoreLess
Read book Street Railway Motors With Descriptions And Cost of Plants And Operation of the for free
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