The Helena independent., 1894-12-20
HINT ron HELENA.


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Various notifications OF turbines and
water motors have Ia recent years been
Rrplicd 80 the utilization Of water powers
heretofore thought impractohble. but
which have become available through the
Introduction OF the electrical system Of
trnnsmanlon Water powers located nj
inaccessible points can be made TO fur
nlah or transmit the power to places OF
convenience, where Il can ho utilized for
any purpose In demand, the distance OF
such transmission bclng limited only to
cpst of the transmission lino the generator
aud the motor. long lines. OF course. sac
rinuing 10 gfouior or lcHs extent the
available eject, but frequently ate donlr-
able even at considerable loss of power.
There are, according 10 the Electric Re-
view, three pairs OF water wheels nt the
fails Of Junnhcatlnn Mexico each OF
which IN rated at Gn0 horse power. or, APP
proNimatcly, AN aggregate of l,S0O for the
three pairs but Two pairs only are IA
constant use, the other pair bcinR held as
u reserve power ana 10 be used IN case OF
nYidcnt In the motive power plant The
distance over which the power IN trans
nlltted ia nvarly eighteen miles, being sit,
uatod over seventeen miles from GundHla-
tara, one OF the largest elites In the re-
public OF Mexico, to which point this
pNMHf ~ NhiilEN anu iOt tlftAilt lknllnk
oi the city accomplished
These twenty inch turbines are placed
under n head of sixty feet, and are pro-
ducinE remarkably nne results, They
combine "A number OF new features and
important improvements adapted 10 tur-
hne use, and their automatic regulation
has proved highly satisfactory They rep
resent the highest art In turbine building
the wheel. the runner proper, being made
nj ka - N or ha hos hu i'm.
nercd scrap wrought iron, ana other
parts OF the combination requiring
strength are made of steel, the whole de-
sign heing Of the most perfect construc-
lion.
Tho transmission OF the power from the
turbines Ia made to an intermediate line
shaft from which ahnft the power ls
taken 10 the generators and is accom-
plshcd by the modern hemp rope improv-
cd transmission, The ropes are of con-
tlnuous style. passing from a groove on
the pulley on the water wheel SHIFT 10 a
groove In the pulley on the main power
line and from that groove returning again
TO an adjacent groove on the water wheel
puhey and thence TO another groove on
the main line, thus returning back and
forth until sixteen grooves are flled on
the water wheel shaft In order to keep
the rope taut, IA carriage ~ placed be-
tween the pulley and the winter wheel
shnft on the main line, to which is at
thched n counterweight. This carriage
pulls back and forth. somewhat upon the
cable railway plan, thus easily and nicely
eftecting n uniform tension In the rope
I'm all conditions OF the atmosphere and
urder nil variations Of power given by
the wheels.
The power IL taken from the pair OF
twenty inch water wheels by two OF
these rope pulleys, one placed on each
side OF the pair OF wheels. OF course. the
same arrangement is observed In both OF
the other pair OF wheels. all being con-
nected 20 the same main intermediate
line SHAFT, from which the power In belted
10 the Scientific American.