Marble Hill press., 1920-01-08

Various Kinds OF Wells
W,us a-. spoken uf as shallow ur deep 'ur.
bored. driven or drilled, and n 'h" r"~" "t '"'n'
Ar wells as rauHowiug Nuwla-. yr ur,.,ah.
Persons Interested u the various types ~ wells
and th,,r ,pu>. rugfIuu advantages. Disadvantages
etc gHlf md the subject treated 10 Farmers !iul-
lctu No 9tl'
Wherever possible the mr.ahou~c shouii re
fitted with ~um, sart of r.nunG.W"'.g system.
..arls or elaborate accurl ~ :" ihr investment
fh. owner is able 90 mails. Iur such systems
water may nc raised by natural N"w. hE5 .'
rains pumi> air LITE. or arJsplac"'nr.' ''.
IIyarauIir rams are the most economical 49, ''r-
ufiius devices. Since rains w' various size, ana
makes perform differently if usually Is necessary
fo accept She mechanical details determined 10y
the manufacturer. The minimum, never more
than the average now uf thr spring should l'-
term.ue the size OF the rum Otherwise, the me
selected may be too large for tile dry-"eatheF
flow Small flows may De determined 10y noting
the time required To nh vessel Of kn"Wr ca
pacity. Larger flows may ho determined by "eiF
measurements.
When the water supply Is far from the rain
site. IL is usual to pipe the flows To an open tank
or reservoir located so us to secure the de@'re'
length and full of drive pipe. sometimes the
flow ~ II spring is too small ia actuate ram thA'
is sufficient for domestic requirements. IN su'u
instances and where nearby brook can DC
damned 10 OHlA4H Tue H'''N7''' t''''
recoll of the ram may be employed to admit the
spring water. which is pumped by fall OF me
brook water to the pipe drive,
Motion of water produces friction Whlc1 ,n
creases with the length and roughness "t ''e
nine and the rapidIty Of the water movement
Hence wherever much water Is TO be ueiNe'eu
through long pipe the power or head hec'sSTS
60 overcome friction should be determined. Inc
huuet!n mentioned before Garmers Bulletin No.
nh which shows the tfltl'hh
head. that is the number Of feet TO be added 10
the vertical height for each 100 feet OF iron WPe
lnot neul to overcome friction when d'scharG'
ing given quantities Of water
Selection Of Pump.
In the selection of n pump one should ue''i
mine the Kind of well to be used, It's INSIDE u"
ometer depth to the bottom the uep'h 'oN'u
depth to the water level, both when the pump IA
n rest and in operation, and the maximum
t,, Tho maximum quantity Of water required
nor aav should be calculated also. one shou'
a,so determine the distance from the well to th'
nroposed location of the pump ana the Ve'uea
height between these points likewise the N's
tance from the pump TO the reservoir OF '"liN rn'
the vertical height between these points. !"
kind of power to be employed should De se'oe'
unon a,so-hand power windmill, gasoline or oi
engines, or electric motoFs-aha 'he '''"
transmitting the power. -
Few ,umns usually are Of the suction, hf'
force, deepwel type or some comnhat'oh
these Suction and lift pumps do not raise WI
tor above the pump nor discharge 1t under press
ure Suction pumps require the cylinder 20 D
above the water level of the supply. II PEI
sa,t vacuum could be created within the cyltnd'
,at,r could he raised vertically by suction 81
foot ,t sea level However, the actual surtio
lift is usually not more than two'thirds oil 'h
theoretical lift Methods of making ught lon'
are described in the bulletin referred to-
uorizontal suction pipes may extend long a.
tances. providing the friction loss plus the We
teal height from the water lever TO pump N"''
does not exceed the limiting suction 'h' ""e'