Henry C. Adams
Capitolo 61
a level that can usefully have a job, but also condurrlo
to the power-house, and then to provide later for his/her escape him
you/he/she has done his/her job. The power-house, with his/her turbines and other
apparatus, involves comparatively a great expense, but if the
pomp can directly be driven from the turbines, so that the cost
of presence is reduced to a minimum, the system owes
certainly receives the consideration.
Even if the wind is always available in every district, it is
more frequent and powerful on the coast that the hinterland. The
the speed of the wind is ever varying inside wide limits, and
even if the files render the hourly speed and it usually mediate,
it is not also continuous for one minute. You twirl to wind of the modern one
typists, while consisting of a wheel composed of a number of short sails
sheltered to a steel structure on a steel tower stop, has been
used for many years to drive apparatus on farms, and less
frequently to pump water for national use. In a very little
cases that you/he/she has been used for pumping sewage, but there is anybody
reason because, under the correct conditions, you/he/she should not have a job,
to a greater extension. The reliability of the wind to pump
purposes can be gauged from the figures in the following table,
No 11, what you/they were observed in Birmingham, and he/she understands a
ten year-old period; they is systematized in the order to correspond
with the magnitude of the annual rain:--
Table No 11.
THE BAD HOURLY SPEED OF WIND
Reference | Rain | Number of days in year during that the mean |
Number | for | the hourly speed of the wind was under |
| per annum | 6 m.p.hs. | 10 m.p.hs. | 15 m.p.hs. | 20 m.p.hs. |
----------+----------+----------+-----------+-----------+-----------+
1... 33.86 16 88 220 314
2... 29.12 15 120 260 334
3... 28.86 39 133 263 336
4... 26.56 36 126 247 323
5... 26.51 34 149 258 330
6... 26.02 34 132 262 333
7... 25.16 33 151 276 332
8... 22.67 46 155 272 329