r at the rate of 759,000 gal. per day.
The 3-1/2-in. pipe between Vaughn and Pastura had a theoretical capacity
of 84 000 gal. per day. It delivers only 65,000 gal. per day. There are
5 miles of bored pipe on the upper end of this section. Pressure
gaugings show a hydraulic gradient in excess of the theoretical on the
bored pipe, whereas the stave pipe on the lower end carries the 65,000
gal. on a flatter gradient than the theoretical one.
Experience on this pipe line indicates that _n_ = 0.009, in Kutter's
formula, closely approximates the capacity of planed wood stave pipes of
8 to 16 in. in diameter. The writer favors the use of 0.01 as
conservative and economical.
With equal exposure to corrosion, the round band is undoubtedly the
better, but the flat band has the advantage of being completely buried
in the protective coat of the particular kind of wood pipe under
consideration.
End of the Project Gutenberg EBook of The Water Supply of the El Paso and
Southwestern Railway from Carrizozo to Santa Rosa, N. Mex., by J. L. Campbell
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