|
|
|
|
|
|
|
|
|
|
|
Appendix III
Table
1. Excerpted sections from the International,
Doyle, and Scribner Decimal C board foot log rules.
Scaling diameter
(inches)
|
Log length in feet
|
|
|
|
|
|
|
|
6
|
8
|
10
|
12
|
14
|
16
|
|
|
|
International 1/4 inch log scale, contents of logs
in board feet
|
|
|
|
|
|
|
|
|
|
6
|
5
|
10
|
10
|
15
|
15
|
20
|
|
7
|
10
|
10
|
15
|
20
|
25
|
30
|
|
8
|
10
|
15
|
20
|
25
|
35
|
40
|
|
9
|
15
|
20
|
30
|
35
|
45
|
50
|
|
10
|
20
|
30
|
35
|
45
|
55
|
65
|
|
11
|
25
|
35
|
45
|
55
|
70
|
80
|
|
12
|
30
|
45
|
55
|
70
|
85
|
95
|
|
13
|
40
|
55
|
70
|
85
|
100
|
115
|
|
14
|
45
|
65
|
80
|
100
|
115
|
135
|
|
15
|
55
|
75
|
95
|
115
|
135
|
160
|
|
16
|
60
|
85
|
110
|
130
|
155
|
180
|
|
17
|
70
|
95
|
125
|
150
|
180
|
205
|
|
18
|
80
|
110
|
140
|
170
|
200
|
230
|
|
19
|
90
|
125
|
155
|
190
|
225
|
260
|
|
20
|
100
|
135
|
175
|
210
|
250
|
290
|
|
21
|
115
|
155
|
195
|
235
|
280
|
320
|
|
22
|
125
|
170
|
215
|
260
|
305
|
355
|
|
23
|
140
|
185
|
235
|
285
|
335
|
390
|
|
24
|
150
|
205
|
255
|
310
|
370
|
425
|
|
25
|
165
|
220
|
280
|
340
|
400
|
460
|
|
26
|
180
|
240
|
305
|
370
|
435
|
500
|
|
27
|
195
|
260
|
330
|
400
|
470
|
540
|
|
28
|
210
|
280
|
355
|
430
|
510
|
585
|
|
29
|
225
|
305
|
385
|
465
|
545
|
630
|
|
30
|
245
|
325
|
410
|
495
|
585
|
675
|
|
|
|
|
|
|
|
|
|
|
Doyle
log scale, contents of logs in board feet
|
|
|
|
|
|
|
|
|
|
6
|
2
|
2
|
3
|
3
|
4
|
4
|
|
7
|
3
|
5
|
6
|
7
|
8
|
9
|
|
8
|
6
|
8
|
10
|
12
|
14
|
16
|
|
9
|
9
|
13
|
16
|
19
|
22
|
25
|
|
10
|
14
|
18
|
23
|
27
|
32
|
36
|
|
11
|
18
|
25
|
31
|
37
|
43
|
49
|
|
12
|
24
|
32
|
40
|
48
|
56
|
64
|
|
13
|
30
|
41
|
51
|
61
|
71
|
81
|
|
14
|
38
|
50
|
63
|
75
|
88
|
100
|
|
15
|
45
|
61
|
76
|
91
|
106
|
121
|
|
16
|
54
|
72
|
90
|
108
|
126
|
144
|
|
17
|
63
|
85
|
106
|
127
|
148
|
169
|
|
18
|
74
|
98
|
123
|
147
|
172
|
196
|
|
19
|
84
|
113
|
141
|
169
|
197
|
225
|
|
20
|
96
|
128
|
160
|
192
|
224
|
256
|
|
21
|
108
|
145
|
181
|
217
|
253
|
289
|
|
22
|
122
|
162
|
203
|
243
|
284
|
324
|
|
23
|
135
|
181
|
226
|
271
|
316
|
361
|
|
24
|
150
|
200
|
250
|
300
|
350
|
400
|
|
25
|
165
|
221
|
276
|
331
|
386
|
441
|
|
26
|
182
|
242
|
303
|
363
|
424
|
484
|
|
27
|
198
|
265
|
331
|
397
|
463
|
529
|
|
28
|
216
|
288
|
360
|
432
|
504
|
576
|
|
29
|
234
|
313
|
391
|
469
|
547
|
625
|
|
30
|
254
|
338
|
423
|
507
|
592
|
676
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Scaling
diameter
(inches)
|
Log length in feet
|
|
|
|
|
|
6
|
8
|
10
|
12
|
14
|
16
|
|
|
|
Scribner
Decimal C log scale, contents of logs in board feet
|
|
|
|
|
|
|
|
|
|
6
|
5
|
5
|
10
|
10
|
10
|
20
|
|
7
|
5
|
10
|
10
|
20
|
20
|
30
|
|
8
|
10
|
10
|
20
|
20
|
20
|
30
|
|
9
|
10
|
20
|
30
|
30
|
30
|
40
|
|
10
|
20
|
30
|
30
|
30
|
40
|
60
|
|
11
|
20
|
30
|
40
|
40
|
50
|
70
|
|
12
|
30
|
40
|
50
|
60
|
70
|
80
|
|
13
|
40
|
50
|
60
|
70
|
80
|
100
|
|
14
|
40
|
60
|
70
|
90
|
100
|
110
|
|
15
|
50
|
70
|
90
|
110
|
120
|
140
|
|
16
|
60
|
80
|
100
|
120
|
140
|
160
|
|
17
|
70
|
90
|
120
|
140
|
160
|
180
|
|
18
|
80
|
110
|
130
|
160
|
190
|
210
|
|
19
|
90
|
120
|
150
|
180
|
210
|
240
|
|
20
|
110
|
140
|
170
|
210
|
240
|
280
|
|
21
|
120
|
150
|
190
|
230
|
270
|
300
|
|
22
|
130
|
170
|
210
|
250
|
290
|
330
|
|
23
|
140
|
190
|
230
|
280
|
330
|
380
|
|
24
|
150
|
210
|
250
|
300
|
350
|
400
|
|
25
|
170
|
230
|
290
|
340
|
400
|
460
|
|
26
|
190
|
250
|
310
|
370
|
440
|
500
|
|
27
|
210
|
270
|
340
|
410
|
480
|
550
|
|
28
|
220
|
290
|
360
|
440
|
510
|
580
|
|
29
|
230
|
310
|
380
|
460
|
530
|
610
|
|
30
|
250
|
330
|
410
|
490
|
570
|
660
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Source:
Koch (1972).
|
|
|
|
|
|
The Rural Technology Home Page is provided by the College of Forest
Resources. For more information, please contact the Rural
Technology Initiative, University of Washington Box 352100 Seattle,
WA 98195, (206) 543-0827. © 2000-2004, University of Washington, Rural
Technology Initiative, including all photographs and images unless otherwise
noted. To view the www.ruraltech.org privacy policy, click
here.
|
Last Updated 10/13/2022 12:34:04 PM
|