The Jasper weekly courier. [volume] (Jasper, Ind.) 1858-1922, 1869-07-30
What is "One Horse pouerp.

INV ilOlNf BNOWpEY''
= Inc use OF the word 'horse-powerr :,
4 very common. yet few. except GOOD ma
: chaiilcs and engineers. attach h det,,,,,..
f meaning To 1t. but regard il as indice.'',r
/ iooscI! ABOUT the power one horse would
exert. 10 Is, however when used in ,Lo
[ Sehse under consideration. rs definite o.,
: possible. ana means the power reo,,ircI
70 m tiiriy-threc thousand pounds
a'oireupois one foot high in one ,uin,,e
y morse illicled 10 the end Of q ronc
over q uIiey one foot III diameter. plaroJ
over dcep well. travelling at the rate ~
lapout TWO and d halfmiles per honr ~.
Two hundred and twenty feet Der min.
n' nte' WiIi Graw up one hundred and
MY pounds the same distance he travels
ne iorce thus cNericd j. called in me-.
1chailics, "horse-power." it beino M IN.
pfoN iliialion TO the average amount -.
continuous power it is fair ~ demand az
Ia strong horse. If we multiplv ,bc
weight raised Zone hundred and ft,y
pouhds) by the number of feet II wa..
moved per minnie, Uwo hundred and
twenty, the product will bc the pumLnr
oi pounds which tie same rovcr uouId
raise only one foot high in thc so,,c
ieiigiii of time. tliiry-,hrhc ,honso,d
pouhdS.I The dynainomcter is m i,-
s,r'lltient made for measuripr ,,nwa,.
that cXerted in draw iur
nose used III testing Ike dralf Of ,.rr;-
cultural implements Dire sinnlv yorv
strong spring balances. or sprinv steei-
yards, graduated TO Indicate ibe po,va,.
required To raise any weight. within op,-
reasonable limits. at the rate of tv.oauJ
mali miles per hour. When W. onni,.
me dynamometer in asrcrtainino ~.
ifait oi machines. If the iidrx ind;ca,o,
,he hundred and fifty pounds. il sbown
hal The horse is required IA draw iust -.
nara as he would do il RAISING ono I'M,
ired ana fifty pounds out Of n welI viii,
rope over a pulley one foot in diam
er' ~ me rate of Two and Il half rnilos
'er ho'tr. ana so for other weights. Tia
eio.i's at winch q team moves i ia bn
ohsiiefed. a> well as The Meiplt "a Lo
"iseu. or me load 10 be drawn. Ir,
orse travels faster than two ana y b,1f
an 'hlics III IN hour. while raisjnor ono
uhuIeu ana hlty pounds out OF a velI
= 'Aerts more than one-horsc powcr
ne WaiAs slower than fhis. Le does nor
Aert iorce equal 10 one-horse nover
u asceSaing The draught OF plow or
faper ana mower. by driving faster than
No ana q halI miles por houf. the tfvna-
iometer will Indicate more tbantbe cor
'ct draught; aud by driving slower
le draught wouldappear TO be less than
really Is. In tcstin. the drau6ht of
achlhes team should always moyeet
'c rate OF two and half miles an hour.
/. Two hundred and twenty feet pe,.
mute. which is the universally accap-
q rate with reference 10 which dyua-
ometers are graduated and an easy one
winch anapproXimatei in DRIVING with
most any kind Of rate. Many persons
we supposed that three hundred pounds
Wo-horse powcr-rcpresented the same
rec tnat team would exert when drac-
ng three hundred pounds along on Tia
ound. horse can haul six hundred
'unds on the hard ground. with case. :.
II ne could not draw hard enough on
uvnainolncter TO marx more than two
ndred aud fifty or three hundred
unds except for a few minutes. Tho
Wer OF man is estimated al one-tinl,
Il Ola horsepower