The figure image shows a side view of a curved cant. Along the bottom the is an arrow showing the flow direction. The vertical lines are on two foot centers. The hortizontal hash marks in the center of the log are the midpoints of these cross section diameters. The line R is the reference line for the gang parameters and it is the line passing through the points A and B. A is the midpoint two feet from the tip and B is the midpoint four feet from the tip. The point F is the midpoint at the tip, M is the midpoint at six feet and there are several X's for midpoints further down the log.
The Gang Parmaters of StemGangFront, StemGangMiddle and StemGangMax are first attempts at testing only the part of the stems which are candiates for the lead portions of the log. These are checked on a log by log basis. If the test fails, this log candiate is "shortened" by two feet and tested again. [The new log is again checked for these parameters.] If a failed log is selected as part of the best pattern, then a pulp segment will appear at the tip in the stem solution. [If only the GangTest fail only once, this pulp segment will be two feet long.]
These parameters appear in the Mid October 1997 version.
© 1997-1998 SF Bellenot [email] [home web page]