. Canadian forest industries July-December 1921. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. 56 CANADA LUMBERMAN common sense and a practical knowledge of logging and construc- tion methods. The following table gives the more important details of the flumes, which, although they varied somewhat, differ in no essential particulars: Flume No. 1. Flume No. 2. Type Of Flume. V. 900 angle at vertex. V. 90° angle at vertex. Timbered area tapped 1,700 acres 4,000 acres Timbered tributary, at least 21,000 cords 60,000 cords Horse-haul replaced mil
. Canadian forest industries July-December 1921. Lumbering; Forests and forestry; Forest products; Wood-pulp industry; Wood-using industries. 56 CANADA LUMBERMAN common sense and a practical knowledge of logging and construc- tion methods. The following table gives the more important details of the flumes, which, although they varied somewhat, differ in no essential particulars: Flume No. 1. Flume No. 2. Type Of Flume. V. 900 angle at vertex. V. 90° angle at vertex. Timbered area tapped 1,700 acres 4,000 acres Timbered tributary, at least 21,000 cords 60,000 cords Horse-haul replaced miles miles Water stored 300 acre feet 700 acre feet Length of flume 5,500 feet 11,200 feet Slant depth 30 inches 24 inches, and 30 on flat grade Total fall 107 feet 217 feet Average grade Steepest grade Flattest grade % Total curvature 81 degrees 372 degrees S A e f c h /_oca/'o/7 of r^/umes wi/h reference fo pts/fivoot/ sfanc/s Dca/e //rr-/rt//e -y L o $ Vp e cf z ^^^^^ e °' \^ //OO /feres \ 2looo cort/s ftt/fittooc/ \ '^v^ frit,(/far/ /o r^Jvme j "" $ S urn & 4,000 r7cres ! i,V 60000 corc/s, j .-â â '/] ,-' friiufary fa /"/We ' < \ / ) f/u/ve * / Sketch showing location of flumes with reference to pulpwood stands. Sharpest curve 7 degrees 8 degrees Average height to bottom of feet 8 feet Greatest height to bottom of feet 16 feet Trestle legs Round, to 5" top Round to 5" top Caps and stringers 4", flatted 4", flatted Brackets, arms and braces .2" x 4" 2" x 4" Box 2 layers 1" rough 2 layers 1" rough Stop 3"x3" sawn dia-Nil gonally Sway and lateral braces Round 3" top Round 3" top Av. speed of log, 71/2 miles per hr. 7V2 miles per hr. Capacity per hour 50 cords 35 cords The dams were built before flume-building was started. These were the ordinary crib type. A narrow opening was left to receive the head of the flume.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforestsandforestry
