. Canadian forest industries 1901-1902. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. "THIS CJLIZJLJDJL l^U June, 1900 FRICTION IN STEAM PACKINGS. Before the meeting of the American Society of Mechanical Engineers in December, 1899, Mr. Benjamin, of Cleveland, Ohio, read a paper on the above subject, describing some experi- ments made at the Case school with several varieties of packings. He gives four tables showing the results, which we reproduce, to- gether with his comment and general conclu- sions. TABLE I. *2 4? >f Tria °&q
. Canadian forest industries 1901-1902. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. "THIS CJLIZJLJDJL l^U June, 1900 FRICTION IN STEAM PACKINGS. Before the meeting of the American Society of Mechanical Engineers in December, 1899, Mr. Benjamin, of Cleveland, Ohio, read a paper on the above subject, describing some experi- ments made at the Case school with several varieties of packings. He gives four tables showing the results, which we reproduce, to- gether with his comment and general conclu- sions. TABLE I. *2 4? >f Tria °"S g Remarks on Leakage, etc. 1 Ti un ites. a V D _ ^ E § 1 U 3 0 3 Kind Pack 6 55 Tota of R Mini Aver Hors Cons Each Hors Cons 50 p Pres; 1 5 22 .091 .085 .048 Moderate leakage. 2 8 40 .049 Easily adju ted ; slight leakage. 3 5 25 .037 .036 Considerable leakage. 4 5 25 â¢159 . 176 Leaked badly. 5 5 25 ⢠095 .368 .081 Oiling necessary ; leaked badly. Moderate leakage. 6 5 25 . 400 7 5 25 .067 .067 Easily adjusted and no leakage 8 5 25 . 82 .082 Very satisfactory ; slight leakage. 9 3 â¢â¢5 .200 .182 Moderate leakage. 10 3 ⢠27S Excessive leakage. 11 S 25 ⢠157 .172 Moderate leakage. 12 5 2S .266 â¢33° '3 5 25 . 162 .'30 No leakage ; oiling necessary. Moderate leakage ; oiling necessary. 14 5 25 . 176 .276 '5 5 25 .233 .292 â¢Â»55 Difficult to adjust; no leakage. 16 5 25 .210 Oiling necessary ; no leakage. 17 5 25 .128 .084 No leakage. TABLE II. Kind of Horse-power consumed by each box, when pressure Packing. was applied to Gland Nuts by a 7-inch wrench. 5 S IO 12 14 16 Pounds. Pounds. Pounds. Pounds. Pounds. Pounds. 1 . 120 .136 3 4 .248 â¢303 â¢39o 5 .220 6 â¢348 .430 7 .126 .228 .2 0 â ?30 â¢340 8 ⢠3°1 .500 â¢535 â 5'° â¢535 9 .166 11 â 4°5 â¢454 12 .161 .242 â¢359 â¢454 «3 â¢3'7 â 394 .582 15 â¢5 6 16 â¢3 7 .860 17 ..98 .277 .380 Horse-p wer before and after oiling rod. Dry. .055 .021 â '54 .123 â
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectforests, bookyear1902
