LOGGING IN THE DOUGLAS FIE REGION. 
Table 8. — Prices of compound-geared yarding engines. 
79 
Size of engines. 
Inches. 
10 by 10* 
10 by 11. 
10 by 12. 
11 by 12. 
11 by 13. 
12 by 12. 
12 bv 13. 
12} by 12. 
12 by 14. 
12 by 14 (special).. 
12 by 13 
13 bv 13. 
13 by 13. 
Capacity of drums. 
Feet. 
/Main, 1,470. 
\Trip, 3,375.. 
(Main, 1,700. 
•^Trip, 3,700.. 
(Straw, 3,700. 
/Main, 950... 
\Trip, 2,460.. 
[Main, 1,400. . 
Trip, 3,500.. 
Straw, 3,375. 
fMain, 1,500.. 
Trip, 4,050.. 
Straw, 4,000. 
[Main, 1,400. . 
Trip, 3,500.. 
Straw, 3,375. 
[Main, 1,500.. 
Trip, 3,400. . 
Straw, 3,375. 
/Main, 1,760.. 
\Trip, 3,900.. 
fMain, 1,840.. 
Trip, 5,500.. 
Straw, 5,500. 
Main, 1,900. . 
Trip, 5,500.. 
Straw, 5,500 . 
/Main, 1,500. . 
\Trip, 3,900.. 
fMain, 1,500.. 
Trip, 3,400.. 
Straw, 3,375. 
/Main, 1,500. . 
\Trip, 3,900.. 
Size of line 
inches. 
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Size of boilers 
(circular). 
Inches. 
}62 by 132 high. 
66 by 125 high. 
}54 by 125 high. 
68 by 144 high. 
66 by 125 high.. 
68 by 144 high.. 
74 by 144 high.. 
}68by 147 high.. 
72 by 144* high. 
72 by 144* high. 
.68 by 144 high, ex- 
tended fire box. 
74 by 144 high 
by 144 hi_ 
tended fire box 
\68 by 1' 4 high, ex- 
/ tend( 
Speed of 
lines. 
Feet per 
minute. 
/Main, 270.. 
\Trip, 1,100. 
/Main, 265. . 
\Trip, 790... 
/Main, 260.. 
\Trip,575... 
/Main, 320. . 
\Trip, 1,210. 
/Main, 259.. 
\Trip,695... 
/Main, 320. . 
\Trip, 1,210. 
/Main, 330. . 
\Trip, 1,400. 
/Main, 275. . 
\Trip,930... 
/Main, 237.. 
\Trip,665... 
/Main, 285. . 
\Trip,665.. 
/Main, 275.. 
\Trip,930... 
/Main, 330. . 
\Trip, 1,440. 
/Main, 275.. 
\Trip,930... 
Weight. 
Pounds. 
34,500 
33,500 
29,000 
44,500 
40,000 
46,000 
53,000 
45,000 
50,000 
50,000 
Net price 
f. o. b. 
Portland, 
Tacoma, 
and 
Seattle. 
51,000 
$3,450 
3,390 
4,450 
4,000 
4,600 
5,300 
4,580 
5,000 
5,000 
5,330 
5,450 
5,065 
The capacity of the drums in Table 8 is for one size of rope. The 
following table shows the approximate capacity of the main drums 
of the engines given in ropes of other sizes that may be used. The 
order is the same in both tables. 
Table 9. — Length of rope for compound-gearing yarding engines. 
Engine. 
Inches. 
104bvl0 
10 by 11 
10 by 12 
11 byl2 
11 by 13 
12 by 12 
Diameter of rope (inches). 
Length of rope. 
Feet. 
1,800 
2,100 
1,275 
2,200 
Feet. 
1,470 
1,700 
1,000 
1,750 
1,730 
1,770 
Feet. 
1,270 
1,350 
850 
1,400 
1,500 
1,400 
Feet. 
1,220 
1,200 
Engine. 
Inches. 
12 by 13 
12| by 12 
12 by 14 
12 by 14 (special) . 
12 bvl3 
13 byl3... 
Diameter of rope (inches). 
1} If 
Length of rope. 
Feet. 
Feet. 
Feet. 
1,840 
1, 500 
1,570 
1,250 
2,750 
2,220 
2,370 
1,900 
1,840 
1,500 
1.840 
1,500 
Feet. 
1,225 
1,030 
1,840 
1, 570 
1,225 
1,225 
