830 / 1042
I1YDROSTAT
e s,
If thecylinJer be .12 in,hes indi:tmetcr, the pinonwill
be prcfr,ddown with a force rrea cr tl:"n
lOOCO
pound',
and will confequently lirt up lhll
wci~lll
at Ihe opponle
cnd of the be;!,": and .¡ the .pump·rod with ils plunger
is fi xed
10
th"t end, if thehore
wher~
the
plunl~er
\VOlks
",ere 10 inches diameler, the wah'r \Vould be forccd up
Ihl'ough apipe of 180 rards
perpendicul.trhcighl.
But, as the pws of Ihis engioe lu ve a
gn~d
deal of
fri~ion,
. nd OIun work with a confiJeflble vclocity, aod
Ihere js no fuch Ihing as mJking a
perfl!~
vacuum in the
eyljnder, jI js found tlm
00
more than 8 pounds of
pre{fure mun be allowed for, on every circubr inch of
Ihe pillJn in Ihe eylinder, that i! may make abou! J6
¡¡rok,s in a minute, aboul
6
fce! cacho
Where the boiler il very larse, the pinon will make
hetween 20 and '5 firokes in a minule, and each ¡¡roke
7 or 8 feet; which, in a pump of 9 inehes hore, will
raife upwards of 300 hoglheads of water in aohour.
!t
is fouod by
e~perieocr,
IhMa eylinder 40 inehe!
diameter will work a pump 10 inehes diameler aod
100 yanls long: and hence we eao find Ihe djamelcr
aml leoc'h of a ¡>um? IhJt can be wOlked uy ¡oy olher
eylindlr.
For Ihe eonvenieney of thofe who would OI"ke ufe of
Ihis tngjne for raifi ng water, we Ihall fubjoin par! oC a
tahle enlenlmd hyMr. Bcighlon, nlewios howany giveo
qUdotity of wdler Olay he raifed in an hour, froOl 48 tO
440 hogOleaus ; at any sil'en dCPlh, from l S
10
100
y. rJI; the machine worktng al Ihe rale of J6 f1rokel
fer
OIinute, and eaeh¡¡roke hting 6 fm loog.
One example of Ihe ure of Ihis lable,
will
m~ht
the
whole pbin. Suppofe it
~'ere r~quired
10
draw ISO
ho&flleads
pu
hour, at 90 yanls depth; in lite feeond
column from Ihe righl hand, I 60d tite nearen number,
vi:.
149 hogOleads 40 gallons;
ag~inn
which, on the
righl hand .
1
find tite diammr of the bore of Ihe pump
mun be 7 inehes; and in
t~e
faOle collalcral.line,
un~er
the gifen deplh 90, I find 27 inches, Ihe diammr of
the eylinder fit for Ihu purpofe.-And fo for aoy
olher,
A
T~ble
iliewing Ihe Power of the Engine foc raifing Waler by Fire;
Caleulated to Ihe Meafure of Ale.galloos, al 282 eubic [oches
pu
Galloo.
Tite deplh to be drawn io yards.
In one hour.
Diam.of pump.15
20
25
3°
H
4°
~I~I~
7° 80 90
100
Hng~~l
lnehcs.
~
..
'"
18... 21t 24
26{ 28{ 30{ 32
~
34!
"
e
17
J9t
22
24t 26! 28
291
3
1
!
....
.:
J5T 18
20
22
23t 2S! 27
28~
~
J4 16! 18
20
21~
'3 24! 2S
..
'ti
.:
13+ lS!
1'7~
J9 2O!
~Ii
23
24
>.
12{-
'4}
16-}
18{ '9 20{
21+
23
U
12
J4 ' St 17:
,8~
I~l
21
"
..
-5
11
13t 15
16{ 1,8 ·19
20
21±
'-
10~
13
J4
15:
' Ó-!
lB! 19
20{-
O
~
10
12
13
' 4 15{
I(,t
18 J9
~
9{
JI
12
13
'4
15:
J6
17
"
e
JO
11
12 13
' 4
15
Id
~
A
10
l1
Ili 13
1 14
Il<r¡
JO
10
11 } 12
1,1
"'
9 10 ll
r
i{
7'6(
P
rrJian
'W11U/.
WATH
may'be.raired
byme~ns
of a fimm AH(Plate
100. Gg. 8.) lurnlng a wheel CDE, acca,ding
10
Ihe
order of the IOtlCrl, with buekels
0,0,0,0,
&r.
h\l:lg
upoo the wlteel by arong pins
h,h,6,6,
&e. fixed in Ihe
¡¡de of Ihe.
r~m:
bUI !he
wh.eimun be made
~s
hieh as
tite u:er
IS
IOlendld
10
be r"red .buve ,he kl'd
01
Ihat
firt
eof
Ihe fimm io which Ihe whecl is plmd. I\s Ihe
whccJlurns¡ the buckcls on the
ri~hl
hand go ebwn iD
10
37! 4°
----
--
44 0
12
3~!
37
3~-
--
369 33
1l
3 1
~
331
36 3B! 4°
3°4 48
10
28
30{ 33 35
36}
247 7
9
26·!
:!8t
3l 32, 3¡!
211
15
8~
25
27
29
;0{
32{
195
22
8
24! 26
28
29{ 31{
182 13
7t
23! 2S
27
28!
30:
172 3°
7';'
22
24
2si
27
=81
149 4°
7
20
22
23
24-\- 26!
128
54
6!
'9 20{
12
23
24
1
110
1
6
J7 t9
2O
21
22!
94 3°
5~
J5{ 161
1 8~
19!
20!
66 61
5
14
IS
J6 1
¡
I ~¡
60 60
I
4'
12
13{ 14
15
16
48
51
4
the waler, aod are IltmLy filJ d;
and
go
IIp
fl·1I on Ihe
lef, hand, until Ihey come lOIhe IOp al K; whcle tI,e,
firike againfl Ihe eod
n
of Ihe
IihCJ
tCOIlr,h
~I,
¡ntl
lO e
Ihcrrby overfcl,
~od
Cotl',y
Ihe waltf iota the I,"ugll ;
(roln whieh il may
Ue
cun\( )'td lO I"pe' to Ihe pbcc I.hlrh
il isdcfigned for: aOlI
~s
cadl hudel
~CI!
OYer Ihe troltch,
it (
lis into a perpentllculn pofilion agtln, and Coe! dOWQ
emply, uOlil il eonléS 10 Ihe w.tlcr al A, II'llue it
11
1111·
etl a$ before. On cael,
hu(~ct
¡,
a Cp"O¡: ' ,
"1,,.11
r.
IInf
01
er Ihe
10p
or ero",n of Ihe I
¡¡ ..
(fil\d 10 Ihe
tI~u~h
M)
r3i[,'$ Ihe boltom of tll huekel 4Jx¡ve Jbovc
th~
lelll
t.J