ne 
DIRECT-CURRENT DYNAMOS AND MOTORS. 19 
Se ap 
. — ee ee 
: Ss 
Cast Tron. }e—--E -- > 
} inated 
j “J | Wr't Tron. . fa 
; " ‘ + 
roby Py. fo ; = 
Sa Ae. a YO 
| cog ma ix 
| 
L— + 
Fic. 9.—WESTINGHOUSE FourR-POLE DYNAMO. 
TABLE 7Z. 
DIMENSIONS oF WESTINGHOUSE FOUR-POLE 
MEDIUM AND HIGH SPEED DRUM-ARMATURE 
DYNAMOS AND MOTORS. (See Fig. 9.) 
¢ Medium Speed. High Speed. Armature, Magnets 
$5 Weight. 
S$ ix. w.la. PR. p.m|K. w./H. PIR. p.m. a | B INET off G | p 
1 56] 1300 | 1 1900 190 Bi | 2s 31 23} 23 
2}) 1.5 2 1200 | 1.875) 24 1700 290 63 | 3} 31 BL | 2t 
8 || 262] 383 1050 | 3.75 | 5 1600 550 7 | 48 47 44) 33 
4|) 3.75] 5 950 | 5.62] 74 1350 740 5+ 41 5 3; 
5 || 5.62] 74 7.5 | 10 1250 940 94 | 5 47 5i } 43 
6 || 75 | 10 750 {11.25 | 15 1150 1190 }|-1 6 47 53) 5 
7 || 11.25 | 15 650 |15 1050 1550 | 118 | 6% 7 63 | & 
8 |} 15 20 600 22 5 | 30 975 2460 | 13 8 |47&71| Ts! 64 
at re 40 950 2950 | 183 | 8} 61 8 | 6} 
10 || 22.5 | 30 575 (87.5 | 50 900 8410 | 15 8} |}41&61) 8 7} 
11 || 30 40 §50 |45 60 850 8900 | 158 | 8+ /47&59| 8 
12 || 87.5 | & 550 {56.25 | 75 800 4300 | 164} 9 |71&55}] 8] 8& 
g Yoke. General Dimensions. Pulley. 
a6 
3” 
E F G H J K L M N oO P 
1 1 54 22 11 11 163 | 17% 7 143 34 2} 
2 a 63 . 261 | 1 1 193} 1 i 154 | 5 8 
8 18 Sit 18 82 153} 164] 243 98 | 19 6 4 
4 193 | 94) 1% | 36 1 268 | 248] 1 203} 8 5 
5 213 | 10 1} 38 18g} 19 284 | 268] 11g] 22g 8 5 
6 10} 40% | 194] 218 80 124 | 25} 9 6 
7 263 | 12 2} 444 204 & | 825] 823 | 188 | 27% | 14 7 
8 183 | 2% 504 254 | 256 | 838 | 868) 158] 3831p] 14 8 
9 83 14 8} 544 | 25] 286 | 89%) 40 17 B44 | 15 11 
10 844 |] 144 | 38 564 266 | 20g | 42 414 | 17%] 864 | 15 ll 
11 ybt | 147] 3%, | 653 | 847) 208 | 473 | 436] 18%] 874] 20 11 
12 87°} 154] 8) 66 33 | B24 | 47h | 44 19 883 | 20 ll 
