Title 森林作業における作業者の労働科学的研究 : トラクター 集材作業
Contents
1. mnm 9 50 78 59462. 3 2 4 5K 261
3. C
4. 247 fr 2 iei
5. MO7Co Zi Hprieisieipisa upheld iudidadeie D LLT 1 Bl 2 3 b
6. lt 262
7. KK FT2 1 6 amp 3 G2 9 3 1 1 B 2 3 AD 135 119 129 3 151 99 125 4 133 94 F 118 5 137 97 119 4 155 112 130 6
8. 6 1 1 Table 1 Age and physique of worker Hh 2 cm kg Am Name Birth data Height Weight pr cie Years of working est bep heart A S 4 L5 161 0 53 0 1 559 29 70 B S 22 12 26 169 0 63 0 1 750 9 51 C S 18 5 5 155 0 450 L415 13 85 D S 11 11 15 174 5 71 0 1 876 20 62 E S 9 9 ll 169 0 57 0 1 667 6 70 F S 20 8 17 164 0 62 0 1 689 10 86 1 250 2 3 4
9. 2 4 4 6 3 AL 4 5 3 TII 1 1 1 4 1 1 2 5 1 1 3 6 MEMEA L 1 4 DQ
10. 6 155 84 119 1 50 78 1 2 51 Ll
11. Amount increased z h h P Z A 7 A 2 7 i Z 2 2 2 NN SSSNNNS Draw out of winch NH 00765369 gt E43 AH Ground skidding of HHR down hill yarding a trio m EU fb x E 3 Ground skidding of 4 Endless skidding of down hill yarding a quartette 6 sextette up hill yarding a trio RB 4 Endless skidding 4 a quartette of up hill yarding a quartette NN o a quintette Average NN Mni S NN S IN e a a a uu ue 4 M Hang of chocker Sene 5 1 Fig 5 Amount increased per minute of work system and work element NADA NSSSNNNNNNSNNSSSSNNNSSSSSSSSS re a ua a a a a Pa a La a Other action 6S6 260 43 15 83 80 69 03 5 6 51 59 65 34 56 4 41 13 10 48 56 75 6 32 17 54 35 45 10
12. 4 172 114 137 169 110 132 6 130 104 114 7 4 e 129 25 113 120 130 96 116 amp 0 l9 Elo 130 e P Q3 55 E120 F 8 7 2 E 100 3 A o y 107 2278 1 0221x 901 Pod mS eo b
13. 1 1 1 3 8 1 1 1 254 3 3 Table 3 Amount increased of g
14. HA 1 2CH 2 1966 3 38 43 227 245 1972 R sum This paper is presented here as a part of a series of studies concerning the changes in the physiological condition of the workers in forest especially for the hook tender at the tractor yarding The investigation was carried out in the artificial forest of cedar and cypress in the Ashida ni and Takimata which belongs to the Moroto Forest Products Company Miyagawa Taki gun Mie Prefecture In order to investigate the changes i in the physiological condition we measured the heart rate of six men engaged in the hooking work before their work and while engaged in work The results are as follows While at work their heart rate ranged from 155 min to 84 min averaging 119 min The increase of heart rate the physiological change covering the whole process of operation was found to be 50 28 per minute The rate of physical consumption in the hoaking work was found to be 25 1 compared with the heart rate in walking on the level
15. 9 5 Aki 4 1 3 8 28 53 38 69 94 60 79 3 29 63 83 48 63 06 3A 4 256 6 5 Table 6 Amount increased of ground skidding of up hill yarding a quintette 1 e CS Total OIE EU Draw Hang of Refuge onah T KR Other amount Amount 2 Na out choker CUBE in th f f buck 4 PS action increas increased 9 lof which p ed per minute 1 2340 12 00 48 16 83 56 23 21 3 6 2 12 25 26 50 6 00 33 40 45 00 122 79 36 11 3 4 3 6 75 27 60 12 90 53 76 101 01 30 61 3 3 4 10 00 26 00 19 50 22 50 4 00 12 75 94 75 27 07 3 5 5 9 50 20 25 16 00 47 25 93 00 22 68 4 6 9 80 7 40 20 00 31 20 68 40 29 74 2 9 7 9 00 9 00 34 40 35 00 87 40 30 14 2 9 8 4 50 8 00 10 00 61 75 18 90 21 60 124 75 28 35 4 4 9 9 20 13 50 19 50 49 00
16. 2 1 15 5 1 1
17. 5 155 84 119 50 78 1 2 51
18. a TENAI yoto University Research Information Repository Author s TM BULLETIN OF THE KYOTO A B E a A S Mo st TO 1T JAPAN o 7 KYOTO UNIVERSITY A http hdl handle ne 2433 191510 Departmental Bulletin Paper m Kyoto University 246 R The Studies on the Science of Labour of Worker in the Forest On the Hooking Work in Tractor Skidding Toshiaki YAMAMOTO and Isao SAsAKI H E a OE a 246 4 enn 261 l JA eee 246 5 ee 262 2 GG GG M 8 247 3X rc 262 3 OU 3E UP SA PRU ase a RN 251 R sum nnnm 262 E H
19. f KK 2 TPE 200 2 Photo 1 UN 1 N x 1 us n X Fig 1 Derivative of E C G 1 Telemetor installation 248 input o direct current amplifier 3000c s 400c s 27 12MC Ex 13 56MC 7 5KC sub carrier main carrier oscillate oscillate modulation modulation 5400c s 400c s direct sub carrier power input o current oscillate i amplifier modulation SUE Fig 2 2CH Transmitter block diagram EI FM FM 27 12 MC 15 KC 100m 15 W m 3KC 5 4 KC S00K Q 1 5 0 5 100 C S 3dB S N 40 dB zx RITU 0 1 100 C S E 4 AAD 6 V 2 gt 270 mW S 70x110 x60 mm igh l middle ER carrier frequency mixed frequency FM ampl
20. 4 26 18 3 93 62 73 01 3 70 37 7 y 718 69 68 67 76 4 83 01 74 20 70 01 EUX W 68 45 7 v 7 188 68 27 5 52 27 48 80 7 v 7 42 74 F 4 66 48 61 50 6 54 69 53 59 48 13 4 33 40 30 20 1
21. 128 95 108 4 130 84 105 4 3 3 3 146 135 140 141 124 132 151 111 131 bo 3 170 99 136 5 7 y 7 18 163 71 92 134 EUH m A 4 144 102 132 147 114 130 5 145 115 135 150 112 134
22. 4 r 0 6521 2 253 works and job requirement of work system l z dU E 3 yes MSS ARES tot Drawout Hang of Refuge hef he f f J ki Waiting Other action ol sinc cho in the forest on the dip of bucking road 151 5 111 0 141 0 124 0 RERO Too TE iia ding pna 131 19 132 38 134 04 199 30 140 25 125 06 121 25 3 30 19 80 0 60 7 30 14 20 29 00 14 50 21 30 3 00 18 00 0 55 6 64 12 91 26 36 13 18 19 36 142 096 0 163 0 992 0 169 5 99 0 159 7 108 0 175 0 83 0 128 o 107 0 159 6 103 0182 0 70 0 m 70 0 119 73 134 05 135 1 129 64 123 32 r3 18 40 15 50 11 30 30 80 36 30 1940 51 50 5750 7 64 6 44 4 69 12 80 15 08 8 06 21 40 23 89 140 0 86 0 138 0 91 0 138 098 0 0 14625 13 5 141 0 97 01
23. 4 4 5 km 10 Bucking 10 Table 10 Heart rate and amount increased of walking Mean heart rate Rest time of Amount increased of walking heart rate per minute 10 n T X 7 E T B 105 76 29 C 105 93 12 D 105 91 14 9 s sx 105 85 20 n Average 11 m n 11 1 Table 11 The physiolgical loading of the skidding in the work ysomE m m RR m e mean Amount Physiological heart rate increased loading 2 51 Wa m me
24. 6o 2 01 2 42 ktime H SHE ig 50 78 2 51 Skidding per EN 130 59 00 2 91 2 5 ES 120 49 00 2 42 4 LT EF 2 9
25. 0 20 30 m 10 Draw out distance of winch 4 ETHS S 5 Fig 4 Relation between draw out distance of winch and heart rate Ground skidding of up hill yarding a quin tette 252 2 Table 2 Mean heart rate in the RAR dario ub EGRE i m Num ESI E Work system ed Hour eiiim Siding Slope Total worker min Ewi of winch 135 11 118 60 TU Hs fE B Ground skidding 7 5 Enos pus of down hill 10 862 23 110 yarding 25 100 sEELDMEXCOL 150 87 98 57 Gad dieu 34 240 70 1689 x L CER s round skidding of up hill yarding 44007 100 133 05 94 25 118 37 4 284 20 33 96 19 414 36 le meee 284 20 7 A 100 137 29 96 63
26. ment J Oth Amount Gy dis aW fang Refuge ment on the ment Waitin ther amount Encreased Time out choker in the of buck 8 action increas No f which forest forest in ed So A WEN a road 5 minute l I 1 1 3 63 00 13 60 18 90 103 20 35 00 233 70 54 35 4 3 4 28 56 13 35 12 40 39 60 93 91 37 56 2 5 5 20 75 10 60 24 00 48 60 103 95 49 50 2 1 6 69 94 3 50 67 20 140 64 50 23 2 8 7 42 03 19 00 45 00 106 03 44 18 2 4 8 30 10 4 80 7 92 55 44 98 26 40 94 2 4 9 28 00 8 40 45 10 22 38 103 88 43 28 2 4 10 32 62 5 30 5 00 47 00 89 92 44 96 2 0 11 35 9 59 15 71 40 13 56 180 11 51 46 3 5 12 19 00 10 20 7 60 56 00 92 80 38 67 2 4 13 14 80 5 40 9 90 54 60 84 70 40 33 2 1 14 18 25 15 00 5 86 35 16 74 27 33 76 2 2 15 17 75 18 80 28 20 42 30 107 05 44 60 2 4 16 17 13 00 4 50 19 00 52 641 89 14 34 28 2 6 18 29 82 63 00 8 60 101 42 48 30 2 1 19 55 70 4 90 7 50 12 50 15 90 96 50 32 17 3 0 20 85 68 3 10 40 30 26 40 155 48 348 59 3 2 74 25 13 60 3 00 45 60 136 45 32 49 4 2 22 52 70 9 80 19 00 48 00 129 50 44 66 2 9 23 30 33 24 50 18 65 37 30 14 40 125 18 39 12 3 2 24 25 78 00 25 20 128 76 25 80 257 76 47 73 5 4 26 57 46 35 9 46 20 26 40 165 97 53 54 3 1 27 28 69 30 6 80 137 30 24 25 237 65 66 01 3 6 29 24 25 5 70 41 40 58 50 58 83 188 68 47 17 4 0 30 Total 991 20 168 45 489 09 1303 58 240 63 3192 95 4
27. 72 45 26 70 114 00 577 50 200 10 194 40 138 07 1379 92 83 13 16 6 27 78 26 45 15 59 70 300 44 34 80 365 64 321 16 1205 15 80 34 15 0 28 91 78 86 90 126 54 84 00 349 60 338 10 1076 92 83 48 12 9 39 122 76 78 60 238 00 61 60 153 40 340 48 206 75 1255 29 29 47 15 8 E 1185 72 1045 24 553 00 2054 80 80 2104 74 1059 45 3223 31 3473 86 14700 12 63 06 233 1 5 4 Table 5 Amount increased of ground skidding of up hill yarding a quartette 255 db BATES DEP E E em 2 No ii i f Move dent Adjust Total Amount C Draw Hang of ment Other amount io ycle Refuge h on the e buck t Waiting increased Time No out choker n the forest ol Duc action increas per of which forest 2 ing ed inis 14 40 14 70 57 20 86 30 43 15 2 0 2 7 00 12 00 14 10 44 00 73 56 150 66 53 81 2 8 3 16 95 42 70 18 90 89 60 1183 90 282 05 64 10 4 4 4 26 10 48 40 67 50 46 55 35 00 223 55 63 87 3 5 5 44 00 64 90 50 00 69 00 121 60 39 20 388 70 61 70 6 3 6 68 18 13 60 53 90 93 50 163 92 141 45 534 55 66 00 8 1 7 19 20 33 60 66 50 273 70 160 80 553 80 61 53 9 0 8 30 60 59 20 152 15 20 70 34 00 296 65 78 07 3 8 9 3560 78 30 65 25 172 50 351 65 78 14 4 5 10 32 58 107 10 85 80 24 30 137 20 3
28. 3 3 4 4 3 4 5 4 6 4 t
29. of which forest road ing ed mune 1 8 40 42 90 3120 82 50 3923 2 2 3 40 26 40 35 10 33 80 200 10 30 78 6 5 3 10 40 8 60 29 70 101 40 72 80 154 80 30 96 5 0 4 8 40 840 24 00 33 30 36 00 161 80 37 63 4 3 5 12 00 29 40 40 50 85 00 81 90 43 11 1 9 6 16 50 96 50 88 80 48 10 249 90 32 88 7 6 7 26 00 21 18 38 40 127 92 213 50 38 13 5 6 8 17 20 8 10 29 40 45 90 100 60 22 86 44 9 20 00 51 70 32 00 51 12 154 82 34 40 4 5 10 ILIO 13 30 27 00 37 10 88 50 30 52 2 9 11 11 40 6 00 21 00 26 60 33 30 3619 36 92 2 5 12 6 40 33 33 52 00 50 40 148 13 29 63 5 0 13 10 50 41 30 50 40 28 50 69 44 200 14 54 09 3 7 14 10 50 41 30 29 80 69 68 88 40 12 00 244 68 54 37 4 5 15 12 00 40 20 64 80 32 00 72 60 52 80 274 40 41 58 6 6 16 13 80 35 40 33 00 36 00 42 35 47 40 207 95 47 26 44 17 64 57 132 00 98 77 54 40 349 74 60 301 5 8 18 19 49 77 65 10 114 00 205 66 106 20 241 90 249 60 82 60 1114 83 70 11 15 9 20 54 00 38 75 51 80 179 40 109 20 40 00 256 50 729 65 68 19 10 7 2 145 36 89 10 189 95 55 53 296 40 747 40 1523 74 7221 21 1 22 58 00 7 35 66 40 184 80 88 62 81 20 147 40 185 00 818 77 62 50 13 1 23 115 20 110 04 176 64 63 70 170 89 134 30 770 77 72 03 10 7 24 70 07 110 60 9 80 88 80 133 50 300 20 423 30 1136 27 78 36 14 5 25 81 25 153 90 96 00 109 20 216 90 25 50 682 75 71 87 9 5 26 56 70
30. 119 3 110 5 150 0 94 0144 0 102 0 107 58 116 84 116 29 129 95 123 55 115 12 118 29 131 68 35 70 30 20 7 90 56 40 23 00 21 60 76 00 34 10 12 56 10 63 2 53 19 85 8 09 7 60 26 74 12 00 132 3 86 0 150 0 103 0 150 24 112 0 156 3 117 5 140 0 83 0 122 5 102 0 141 0 85 6145 0 115 0 110 48 125 90 134 14 132 74 120 19 112 26 114 80 134 96 26 40 14 40 8 00 41 00 18 30 3 90 91 70 12 40 12 26 668 371 19 03 8 49 1 53 42 55 5 75 Sa 1 me RR ES 71541143 156 5 103 0 148 0 103 01169 0 110 0 136 54 125 84 127 60 123 00 123 77 131 81 18 20 15 20 2 00 1 10 48 60 16 80 17 86 14 92 1 96 1 08 47 69 16 49 132 0 94 5 130 130 0 104 0 130 0 87 00 128 0 74 Me 0 89 5 110 45 113 72 104 41 102 20 112 90 20 60 5 10 14 30 34 30 7 30 25 25 6 25 17 52 42 03 8 95 1140 0L 128 7 112 8 125 0 96 0 129 9 96 0 110 1 84 00 108 50 119 60 106 90 116 40 98 20 13 08 39 57 12 58 30 58 20 59 11 24 34 00 10 81 26 27 17 68 1
31. 91 20 22 24 4 1 10 11 50 8 80 8 00 36 40 50 00 35 68 150 38 35 80 4 2 11 23 44 5 30 116 50 32 55 45 32 42 00 165 11 34 40 4 8 12 14 40 13 50 50 05 47 50 125 45 41 82 3 0 13 19 56 29 40 53 90 76 86 179 22 39 94 4 5 14 0 20 5 20 9 00 23 20 21 44 9 20 68 24 15 51 4 4 15 5 72 14 00 7 00 2 80 82 62 132 79 20 43 6 5 16 4 35 10 40 3 60 7 28 21 32 1 56 448 51 7 70 6 3 17 2 40 6 00 2 70 20 70 31 80 10 97 2 9 18 1 40 9 00 7 00 2 96 12 21 32 57 6 51 5 0 19 3 30 10 20 10 20 24 30 16 20 64 20 16 46 3 9 20 15 82 8 10 36 30 57 33 117 55 27 99 4 2 2 12 00 35 00 41 03 91 14 179 17 29 37 6 1 22 6 00 21 60 35 00 93 50 156 10 40 03 3 9 23 10 50 7 50 51 60 13 60 6 00 89 20 22 30 4 0 24 5 60 6 00 8 00 38 40 16 17 74 17 21 19 3 5 25 1 80 7 50 23 70 39 50 1 44 73 94 15 73 4 7 26 21 30 33 00 42 80 18 62 66 50 182 22 35 04 5 2 27 45 00 53 55 114 08 35 50 74 55 322 68 48 89 6 6 28 30 10 15 00 4 70 179 40 53 60 55 00 47 07 384 87 57 44 6 7 20 40 70 15 00 6 52 123 50 19 35 73 53 3 78 282 38 48 69 5 8 30 12 60 25 00 86 80 69 02 193 42 48 36 4 0 31 24 78 39 20 48 00 130 32 242 30 53 84 4 5 32 33 16 60 15 00 56 97 38 85 127 42 34 44 3 7 34 9 75 16 20 70 73 33 00 129 68 46 31 2 8 35 36 3 40 9 60 7 00 26 40 14 00 12 50 71 40 32 32 2 2 37 4 00 5 40 15 00 49 70 74 10 32 22 2 9 38 10 80 27 00 31 50 27 50 96 80 40 33 2 4 39 21 00 15 00 68 20 7 50 24 25 24 25 165 20 47 20 3 5 40 23
32. 40 9 00 31 50 115 75 128 00 104 00 316 15 59 65 5 3 4l 10 75 8 00 45 00 31 15 22 40 117 30 43 44 2 7 42 16 00 4 50 6 50 25 00 20 00 80 00 16 50 168 50 48 14 3 5 43 10 80 10 50 22 80 37 00 81 10 35 26 2 9 44 19 50 10 00 17 00 13 25 50 35 110 10 30 58 3 6 45 15 25 26 40 15 90 22 25 79 80 42 00 1 9 46 27 18 16 20 12 00 38 50 12 90 47 50 154 28 49 77 3 1 47 28 38 306 00 32 20 25 20 24 00 14 00 171 68 42 92 4 0 48 16 75 18 00 49 50 5 50 50 00 19 60 159 35 48 29 3 3 49 6 25 7 00 6 00 30 45 0 40 48 00 30 00 134 10 40 64 3 3 50 16 56 13 50 5 50 43 20 50 40 14 40 143 56 38 80 3 7 51 7 98 7 50 5 20 63 18 13 80 53 90 14 58 175 34 37 31 4 7 52 22 61 10 50 92 3 50 40 37 80 213 62 46 44 4 6 23 18 00 13 80 7 40 53 52 44 60 36 00 46 20 241 82 39 64 6 1 Total 711 83 636 Total 711 83 636 90 268 4 268 42 2054 02 481 711 83 636 90 268 42 205402 481 00 2361 07 496 24 4 709 68 34 56 2053 34 56 205 L 257 7 4 Table 7 Amount increased of endless skidding of down hill Ears a quartette 7 rg EB aeg dota LO B 4 79218 e Move ment Adjust Ex Total Amount C e Draw Hang of Refuge Pt on the ment Waitin Other amount increased Tim N out choker 8 iin the f of bu
33. 5 10 70 8 258 9 1 Table 9 Amount increased per minute of work systern and working element EJER nm 7 v75 qs it Movement Movement Adjust Work system Draw out ird o Refuge in the on the ment Waiting Meri of winch i forest forest road of bucking FUIS E 3 Ground skid ding oi donn 66 77 64 48 hill yarding _ a trio EU Tar H5 ux MIS round skid ding of up 67 76 hill yarding a trio 93 62 41 96 73 01 69 68 4 59 77 68 27 60 89 70 001 54 27 69 03 9 27 48 34 56 H 83 01 74 20 68 45 a quatette a quintette 4 Endless skid ding of down hill yarding a quartette 54 52 52 84 53 00 52 32 61 50 56 75 29 36 26 65 39 70 66 48 6 53 59 41 25 54 69 45 10 HU a sextette 26 18 Endless skid 22 53 30 20 12 00 ding of up hill yarding a quartette E B 58 96 51 80 55 69 50 10 Mean 55 45 55 40 48 98 46 03 50 78
34. 6 88 75 90 13 80 222 48 idi 563 62 73 20 7 47 35 Total 2008 Total 2008 29 2136 92 267 90 4 2 267 90 4524 10 1239 10 1286 79 5047 72 1975 25 18486 07 69 03 267 8 KORE 3 6 1 X 3 4x 8
35. 86 98 71 66 5 4 11 56 76 121 50 81 95 81 00 236 16 273 06 79 92 930 35 68 41 13 6 12 34 88 82 55 89 05 45 60 128 10 20 55 400 73 62 61 6 4 13 14 48 00 31 20 18 30 111 36 82 80 103 70 240 75 636 11 55 31 11 5 15 111 00 33 00 149 00 98 40 110 68 40 80 542 88 61 00 8 9 16 55 00 47 70 12 40 172 20 78 00 12 00 141 90 90 00 609 200 57 47 10 6 17 54 00 29 00 177 10 136 80 326 40 723 30 59 78 12 1 18 43 00 9 80 5 70 177 10 16 60 291 20 543 40 60 38 9 0 19 37 10 53 10 11 80 241 80 97 50 45 50 486 80 68 56 7 1 20 64 90 51 20 10 40 248 96 231 00 606 46 63 84 9 9 21 68 88 44 10 177 32 74 70 139 20 40 80 545 00 68 13 8 0 22 45 04 14 20 143 07 45 60 316 05 98 80 68 40 731 16 68 98 10 6 23 65 00 99 19 196 88 227 07 88 50 676 64 77 77 8 7 24 75 90 91 80 66 50 184 40 286 30 74 40 779 30 83 80 9 3 25 176 16 76 23 190 56 247 52 230 55 921 02 74 88 12 3 26 81 84 96 72 149 60 81 00 252 65 94 90 756 71 80 50 9 4 27 48 48 94 50 23 60 87 56 122 22 62 00 438 36 64 46 6 8 28 76 18 195 75 21 90 153 56 60 00 196 16 165 00 868 55 68 39 12 7 29 45 60 130 00 87 56 33 00 235 48 121 80 653 44 75 11 8 7 30 33 32 51 10 21 00 136 50 61 60 127 20 19 08 449 80 72 55 6 2 31 149 73 145 08 217 44 173 46 61 20 746 91 79 46 9 4 32 85 80 32 40 34 80 181 83 8 90 194 40 226 20 764 33 83 99 9 1 33 160 23 84 70 386 82 83 16 142 20 857 11 83 41 10 4 34 9
36. Z f W 119 45 54 215 50 12 11 36 492 31 6 E TON i H 9 100 154 8 112 44 Endless skid 01 6 8 91 o l E at 4 101 90 00 912 23 101 90 yarang od 100 127 5 94 86 107 55 6 81 60 5 71 20 103 32 le mgeix NA 81 60 n 100 ie 129 9 84 0 8 W 104 90 9 o Pudlesskidding 009 H383 23 106 267 mgl 115 83 of up hill yarding o 100 O0 j 72H48 155 84 119 ED TIRES E PESE 5
37. ck S action increas x of which forest NNN ing NEN LL a road _minute lt 1 2 52 80 21 90 190 40 72 00 367 10 64 40 5 3 36 05 31 20 116 11 69 30 252 66 68 29 3 7 4 i 71 05 49 00 85 80 32 G0 238 45 79 48 3 0 5 18 60 31 20 111 32 104 00 265 12 47 34 5 6 6 81 96 48 00 117 99 5 30 253 25 600 30 4 2 7 122 08 68 65 170 40 91 98 453 11 65 67 6 9 8 52 50 27 50 67 60 55 30 202 90 57 97 3 5 9 28 00 52 20 74 88 144 48 387 28 52 34 7 4 10 46 40 46 20 117 30 27 50 237 40 55 21 4 3 11 88 00 155 66 7 24 250 90 41 13 6 1 12 24 00 19 80 62 70 48 00 154 50 41 76 3 7 13 57 59 29 00 101 40 54 60 242 59 63 84 3 8 l4 i 22 50 12 00 128 88 44 55 207 93 51 98 4 0 15 39 60 13 65 122 20 33 60 209 05 47 51 4 4 16 58 50 79 20 117 00 48 40 303 10 48 89 6 2 17 100 88 71 50 198 72 186 16 557 26 70 54 7 9 18 51 10 83 60 30 80 58 30 117 00 340 80 48 69 7 0 19 139 95 44 40 119 77 30 00 334 12 60 75 5 5 20 85 20 31 50 209 30 35 00 361 00 59 18 6 1 i Totall 1176 76 790 50 105 68 58 30 2454 03 1033 35 5618 25 5618 52 56 759 99 0 56 759 99 0 8 6 HE Table 8 Amount increased of endless skidding of down hill yarding a sextette 2 v E E Ik Move MOVE Adjust Total D f
38. ground Consequently it may be said that the rate of physical consumption in the hooking work is nearly equal to that in the felling and bucking work
39. ifier amplifier limit detectior local 1 1 CH AN pF sub carrier EE power PLAY Jt BACKhECORD M oOUTPUT monitor o amplifier f S P PLAY CARRIER DOE d 2 e P sub carrier ae power e amplifier HM amplifier SALVA Fig 3 2CH Receiver block diagram 249 27 12 MC 500 KC E S N 20 dB 5 aV 10 7 MC JE 1mVP P 15 mm 2 20 mm 10 S N 1mVPP 40dB m AC 100V 200 VA 510x590 x 303 mm B S V IB iX 2 20 mm 10 25 50 mm sec 1 100 mm mM 100 V 50C S or 60C S 60 VA 410 x 190 x 200 mm n S43 8 20 24 5 S45 11 H 27 29 83 KK d 30 35
40. round skidding of down hill yarding a Trio IM Move UTERE 1 Ii s amp i Move meai Adjust mE Total Bis Fl Ay EA cle Draw Hang of RS ment on th ment Waitin Other amount Amount unc Mo out choker euge in the is E of buck aiting action increas increased of winch forest S ing ed per minute OA 1 14 40 140 4 154 80 53 38 2 9 2 3 5 10 77 00 88 00 39 00 63 60 29 00 301 70 55 87 5 4 4 12 30 142 00 23 20 161 00 50 40 67 20 456 10 61 64 7 4 5 33 25 136 50 27 20 84 50 310 00 69 29 1157 50 818 24 69 94 11 7 6 35 00 102 60 208 00 112 50 458 10 64 52 7 1 7 13 40 344 25 308 64 162 00 221 76 1422 75 1472 80 58 21 25 3 8 19 60 206 10 112 00 113 74 376 30 151 80 979 54 62 79 15 6 9 40 75 179 22 75 40 91 20 286 00 149 24 128 00 949 81 55 87 17 0 10 46 55 51 30 49 00 715 00 175 00 1096 85 62 32 17 6 rt 220 35 1276 77 683 44 592 04 2117 30 993 59 804 45 6687 94 60 79 110 0 R 4 3 Table 4 Amount increased of ground skidding of up hill yarding a Trio 5 M 7 y Move inm Adjust pod eid Cycle Draw Hang of Refuge on the Don Waiting Other amount creased Time No out choker in the forest of buck action increas per
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