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July

6
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THESIS
. SCL GWKEAEKL MENTS Wilh T.PACOR WAT R ilbosrS.
TVTIer ot .e° + eM e ° ' eae 1 Naar @-.' en - -¢ s . ~~) 2 - re se on “=
ees y ' \: me's we $y 2 i‘ 1 L% ceil a S° CL 3c 3 Oi S12 "B:4a3* wih Yer iy clyvoS
yey a . a eat | A ge ’ ‘ eh oye we Te, a . mw soy’ “es
Lamea it eisveryaid Gbowas bi alicageitg to riad nears cy
7 ela tye *. § oyse-s% a? ‘ ece- . ¢ 6 « - - . a an -* wee ~ oye
rien sos¢ vt Gais insenass ooves inizis be utilized thieat wne waiter
noter was é€volveds, [2 ssasral tiese nobtors 2re divisica into tw
lags cst Lausod water wieels or turolnes,intd snalicr euclosed Ze
ra . * > -— a fe ' ae “A 1> ° : : re i oF ee -~?
"ye@2ls nhiowi as Lavuct motors. A cnird class ,less rreqiently
yoo wlan, are tae water enginatss or gistot rototse

At ’ BAN dt eey te ore WR ce C: q gor aq ‘ee , 4. V4 le t ro Tb Q . ~~

Je wm De - e ve Chg we iC l Line i) 109 i aS we mig uigi 3D Ula JS L we Tess:
tneve® npe x . 7 i Toye ne ty Ft Woo Ry ail se ye mae
? \Gsy Ne cu! a tic. a. mae iit RT eel ba + widy sJSve we ay gi, tCr1E89 a, Oily Si. —_
a 4° = -* 40 sot to - . : - oO » * ‘ “8
tiVicurt difrurosices Lies ita tae Porn ot erp aad tie ‘naarer of Lise
, - . a r. . . “ 7 - ve .¢ ° . - . . re) es ~~ ",or ~ .% 7? e
pect. ¢rony, the nore importiaiase ot these motors m:ité@ dn tne Unite.
Ttates gre the Pelbou,y5acsus, Perk, cocver benuhenrn, Syreciuecs Eedkhus.
Okopie se aig Mandelocsn gr vasravgtic,usd otiers,

Tin93n0t wij coes UBe used Li many places ,under many coadittoss:
cmd for Wary Pur pustse aey ace generally used wonere water can ..
- od 7 sel . F oi a . \ 7 Dp cre 5 a an *. ga 7 ~ 4 . ve 4, st ° a
id at 7 COOL cadsutly ome .a y mer [, Lk SLO Eee, of Lee 1c¢494 1S 4 ails ly Le Ysos.e
Parr? gag also licve corse Lrg us2 Lt S12 West working tiidar Lue
SIA ASAE BIA Fes 415. 1 y op aA JAD sr oY yoe a
tem Lava LOS wae reo 1 be y Vies Se ow He ee itd -t wah ©

-ftictenucies of tne three wieels ab nand - al&"ke

A’ & BWD Sayre wv“

~14 4 324" Se@ynoure urd
aye v C727 mor pyar fuse deve

Se eee roa tha take do <r ae he 7@

Gb or these

wiitlock=

Q94%2 y

ne So ye te ge
CI yeYy Uielics

adc

et

,

ovbba

vs

in the compurac --e

lton,a 22"3a0c:

)

3,
we! abe Ze

C.

'C.
NS

Plates 6,7,and S show tne kur cubs v.ructicn of these moters,tne
Toys wid Mrs of cus andvia ales “uals Mubiers Of bicacte

Sl2 VOSK Was dons 2rweir*ssy Lire sriwrztly api visions rezare
to any work previcusly done in the same line. In tact, very rev x

rasults of tests of water novors 3220 6) ANV2 Ota wivlisiea,ara

20 refereicées sicept to a report of testis nide cy rrovessor LeaP.

me

Sreckduridge and guolished vy JH Mills in iis niSAT POA Gat WARN-A
ING AND VENTILATION GF BUILDINGS ana to the catalogues of the va-
pious mgbors,cai ve given, All results are recorded exactly as
-fonnd,aad ali irresulaerities are,as rar as possicvle,accouited Lor,
The Pelton motor was tested with 1/4 inch,é/S inch and 1/2
inch cast iron nmozzles;cne Bachus,witn 1/4 inch ard 5/8 ituich noz

_zles made of brassja@id tne Sejmoure ard Whitlock,with 1/4 inch

pb

68 inch ena 6/16 inch nozzles of cast irom. All nozzles are she

/
snown full scale ou Plate 5,
Tae photograyns snow the mainer in wnich each motor was set

~

UPsthe power measured aid tie water weighed, For eacn nozzle Le

"aS 2S d tiat, Cor tie ordinuey variatiors La muncer of revolue

tions,t12 anount of water tlovying througa inotor per minnte,tor
ALy O19 neadyvas constait. Tns,for any one 'inobtor and nozzlegtne
mimber of revolutions cer minute being keot as aearly as yossicl-
32% tie average, Sie 2 anziat of water cClowing oer nimite was de-

terniited once for all by noting the tine reguired to run one nu.-

ived Pounrase
ot power Of the

weler was Qctermined vy the rormlz:

‘

Us Water xx

r at caer. Ves Neg

PSO SE LIX SOC) mare Wo oer as (eet 2 pounns
Plowiiz tarsugh cnotor osr ntriie,arwi P wapt 2apials i.sad of wa

>

assumes tnat

a

fll Asia ao water eplouwr sv 354 Peestyous che slignt error aue to
tris assunbetion was tasisnit to be wiltnin tne limit of error obrnad

anole in tne connauctiie

The brake wheel was 5

SGUuare

ana wes cortinied

2 Of the expertnents thenselves,.

daches in diameter with 11/2 inch fu:

Jichn nign ot each edge to prevent the
ne brakes buck was Of oak wood 11/4

praxe arn 11/4 inch-

2 . a eause tw 3 * . ‘ eo. J ‘? _ es - $9 . . oy ~ y e wt, *o_-
2g Gn Ggianeter,. The wuaoeoLrs soteaces were or pl WOOa Wilin tuce.
c 4 1 71° : _. det a , aw . a. , ed oo! ore e@? =

£ 11/4 Clle 1e@ Llenvtn of brace atnjyot tn disturace rron cco.-
oo wet ~ ry Vivre. t a a ae a ' fen, Teo 3 7. 3 nr mi OTS ate . . ec gets ToT. Cre yee at -' . -
4. g & Ok boa Ghat LF wf te dune & & SPN arty sa 6 +h a a ae oa > meg i this wibe tQY9 lle
| = ee? we: ’ “ . co oe - * 7" a, ~~, i) Soe : es) -, . . - . -* : e -
PQ yis aeraunzoasvat gave gucd resnlosjoutitisvelievys4i Viet u 4 incn

20

Lraxe vheeol would,xtyvz Yr

tre larger loads,give betver results.

wb or oawirae tbo fis oawll seules used vor agteraiirias wie Aor...
Qover OP tie of.ca,ana Sis. 11 612 Jrsboeradis,vag varieu in tn.

~!
4

ar
- .
"aw

ped 2

rL11 appear in the tar.les of results.

SLLis

trom 1/4 of a pound t>z

The method of vurying this

OPAssupe was cy tighbenioag oF loosening the thumb ants «ob the acl:
Sy edge ot the brake,i whus ir agit ivcre : ae oP Yice
er edge oi the brake yaw whus increasitity or decreusing ene iP.

.. r ven 5 : jn Ve wee ‘ ‘ ave L 7 . avn we ~ : ' ees — a
tion between the beak? aid thes whisel. dia overy cacdyeviore be)
ning an experiment, bac weight of the overtousgi.g pebtiun of the
pYake Qid arm was onliurcesd on one of tie ccouale beans,so that tris
weight recorned ohn the other should be thet aus to tne Jriction

of the brake alone,

Poys ~ “i 2 1% 1 weet igs slp, -. ape "a ey vy oy

2H horse vower of t1.e€ motor which vas acsorovd ov tne bric.
vs iced caine of) 3 Bry tA Te “OS > eee en | - . oe
VAS ae. 2) airtel on wil £007 228 “lele Ou TY! uort Wa Ls 2 ally + OO '¢

where a equéels length of breke or one Poot, n equals numeer of re

PY

TF - * ® cc <— . . de - cf “y- ~ * s 7A re vy . yqa7 o> are a> _—eQa - . woes
revodubicses ef ovlMutSs Of DYadce@ wha. 21,2000 Wi equals RLSSSUTS LA yes

'T

p0unGgs ol smauli scales.

ions of ali

aca
we a

Mee Poliowurg telduvs show toe record ot ovuserva
V2 @Xoerbracitts together with tne coucuted results. The Letters
ct the tops of the columis neve the toliowing Signiricance:
Pat top of sirst coluya - - = —- nead in counas pressures.
Ls’ "second "™ -~--- = 192497 02 snull scale...
Im all oiner enssesy-

sym oe :

accel @+.@ ~ ~ - ~- - LeeVG a audits in i yd LEe

. _. ~ . . ot ~ see .
1F Dele - - - = - LOUNaAS psr minute ilowlig
VP OVigik Mole!
r tr sha ge. . . 0; ~ Nee : An se
mn ere (HUSGOYN « - - - - hor we ee C2 Qo .Vptot e

°

: *, . “ a ee as
K.P. Ve CUCL « - - - - AITS?2 20 wut OL VWWauelt

auii. - - - - - perc.ntuge of eitvicielcy.

P. ~ - - - - - Peltor motor.

Be _ - - = - - Backus notore

ey - ~ - - - = Seynoure ata wiilsaogck moter.
 

Roacuanl*tea - .
ROSULCS Y

a2.9 “y
worw Cs

[Ja |09

Je

 
a A 6

Results for &/8 inch nozzles.

H.P.Moter.| H.P.Water.| ¢ Bites

RsP.M. Tf Dem.
Sé&W P B
240
66
od.

 
i.

Results 7 &

 

R.PsMs fT Dem. H.P.Moter.| H.Ps<Water. Eft
Pi P< B S&W iP. |B P 3 P B PJjB
gz ofl :
/0\ 0| ¥/7 |
Ave

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Ab p

6348 933
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$6 |

 
MO
8 ———— ——————— —— a — —— a

g,

Results for 1/4 inch nozzles.

RsPoMs # pems Ps)
Ps| Be | sew |Ps [Bs Sew] Pa|Be
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£2
22

Seymour . & Wh ithee}- Results for 5/16 inch

a3

(

HePs
io

oO

/A,

HePs| 24

Water |EfPLPs ||P

0

+ HePe
Moter

SO
8
269°
307
6
/

/ D “ATS

A| 627 3

24 6/

3| ob 343

$6 | 263\.d70
/ 38

6

66

642.
9| 62

nozzle,

HsPs
Water

¥

¢

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2 Ye, . tA
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! re tb we ares e! P a id oe te Loft oe tly a 6© & tee (3% -- 45% . ws ey ee .* >) Ar fend
a - ° Jie . ‘ - “7 7, 8 « “
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- wre SG - o we eth bee Cc mo th hea se Nn @ veta’ f ton ASX Wk Ct gee (453 nu 8 die od 3 3 > °- 7% 23: wad
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uO Nea d 9 a EY eile h C T ’ oat 5°- a4 hel be as wet . old Y ata 4 og + a >.) vot a oo
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al ‘fae ~“Ps 1 tohke oa . 5 ea ,o Ca loa SUS Cu holed aw kb teh ake CA ee es . the ar"
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mae a “sel ’ ot bet -~ oo". : SIN 5 2 or Ree Tee +4 97 ofa .
Coe. fa Cle ter? ae whe Le ow ee Crew Ud 4 é r ‘ i. Sf 4 teh am ida”. - avlse
: . + - : :
of t a TdT YF -» 8 “Os pocatk arn re a “yy acta eT oN TA tee 40 yr, ce ye ~  ee a oss
= ~ ‘ L - ‘ae ht hm vege 3. mom Chee we aoe wv , Nd ev ee Satu a en ee Fc tt be gg wutin
. - G . ’ 1 : | . eos - 4  o -. : ‘ 4 §
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ae Swat ee ti mbm ey Lilo ot mine QbLnaiw fF ule cd ed ee 2uf feo ak kaa 4 Oe
Vr + cys . rt ‘y ‘ * + 4 2 . 7. re rv. * “4 ‘ sce td. 7 ? ‘ yoo . We. - od Te. . v. : im Te - . :
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. se ~ + . “nn « hited 7 4 > -—
of ‘ yt>! 7} a etre yar, (> os ee 7 ‘ oo. g _> 74 “ete, -, , 9 ~ 5. we .e
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ou

\ « tam pe e * s
5 ” " e my 3 : -. «9 ° = wt 4. Cc ’ ae - ote oo } oa * me x wt Ame . eu,4 ' 4 8
. ~a - © ee rh L r ~# -9 chola. : ‘ S o- ~ was Lae - ‘ we at, ‘| é ( € fot, \ ‘ o
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| Tt wind ve seuclt that mot in ali cases was the poi. i best
efficitoncy reaciied ara taus the erriciercy curves do uot begin is
Fait off aid indicate asmuller evllciszicy for a slover sd2ed.

‘Where 8,novever,chis polnut was esached ia the course of the experi-

\

-ments,1i. ras noticed thet the motor gave every evidence of being

working at its greatest capacilty and ran with micn uasteadiness

and variation in so¢ecezd. The experiments thus indicate that, Yor

/ best exsiciency,all movors shovidd lee vorirw.: vo hear Gvaiest cayau-

= “ 1 ° a7 ea 7 . 9 « er “7 ~ . “ye eat , . © _
Pedty and «th GS acy &@ cpsed as bei tol ove. wl Vy. oecudiiyve
7 ew sos AS _ “ay ° t Je lt e ° ma ‘
~ 12 ra) >i L490 sha 1 J) LIYe a) ) eo Ly o ee + 2 ~ it i ols, ho wh io 2
' ~~ el, ~~ ~werm an ~~ ‘ ‘ , w ~~ * 6. * ‘, be +) lye ye : va
is the provsar sv2e3d to ria toen ia ordar 6) J3t Ere ossb eritleter-

1Cy. For,tie norse sowver ady thotor 1s cadavlse of deliverins ar
| its best efficiency being kiow1,ome can aetermine upon the size so -
Imotor and nozzle to be used to fTulril any coxditicns as to hee,

‘horse bower required,etc. It then remains only to know the prose

Cu!
e
x4
©
3
et
t+
>,’

er 3392e¢d at which t) run to give tig tnaxitmn ¢eriicisicy

Vs Nm { t a’, " . ' r ©. le 'r ¢€ FI, yh oo “3 fr. oo e543 % yc! vl i ’
| Ay wha ‘ psec Jr t tc! . \& Vn i be 4 wD G9 !40c48 J as 4s ro
‘ =
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|
| } ‘ 7 } : 7 - ? 1 ire rag cower
| e ese é -“ S64 aft & © wo fb we Qe . ~ @& ~ &
[ wae le 2 i ~ ;
Ald cecrbosy212 tidqddes yr rere sta ett ye
|
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|
| 17
abe -
rvs ae . . . loa . . . ‘ - et 1 t, ~~ : : ™ . r . . ., vr . -. of
ta. log we bh “5 Kee SOA wea othe bel e--@ a ee lI Vuk

Rfftetarsy 2oxw vuch Nozzle aud Motur wiacr all Mcadse

— SS : —— ——— = .- ee” — : —— To ee eS ee ee ——— —— eee oO |
! |
"|

Revolutions «cr witaote.

 

 

LY, ty Stk 4 A

| Head} 1/4 fiuch neaal 8/8 inch nezzle. bee | Pee

 

 

 

 

 

 

 

 

 

 

! | *
: Pelton. Buchs | SéW Feito:| Backus Sui! ceed Ven. |
— = on noe aa eee ee fe =-—— : - : - : i
fb) 220 fae | 200, /so to | 4° P00

 

RO| 900 60 S80 | p40. P60 | 200 | /7O_| _Yd0

 

 

30| v0o 200 200) 470 BYe 250 | 290 | 900 |
i %o| V¥%H 279 260 | FO0 | FAQ 360 G29 | 6 00

 

 

a

 

06 | 960 sie 300 | £00 92K dO ¥p0 | foo |
Fe ee
— : }
FO! 700 3g F390 | $00 be s70| FIO | F00_

; | |

9) S00 996 476) Poo By Fr] 78 | PO

“| 880 400, £00 | P00 , 700 , $00) Foe. “eu |

 

 

 

 

 

 

 

 

oo ?

| To8siewrpouly more 3 lover 4 Priel ok ta hae bene
ho dol 4, io Li. te Cys gourd? &) » L? L Sk Ves a r

| . : > . eo et 4 ° . toe : 4: . ‘ . wee ye oY! . 2 q c Jn).
Doane oed,. En Lele, Wiwt @ I /4 Lie: sromgle this motor Cotla woh toe

t, -
: . ~ ° Soe : -a 4 oy : £94 - oy .% + ‘ aa 7 29] 5 .- . 4 1? ran : ~ & ere
™ ob viilvaded with « Pive pound need, while very Listas vover

@e
1 ~ .
. 7 cv J Yui ®t L ey Oak r 2 OC VA: Gaonied,
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