Deductions for defects are subjective depending on the scaler and a source of confusion in the buy-sell transaction. Defects may include red knots, black knots, rot, burned area of a log, crook, sweep, or doglegs. Helps log sellers understand what they are getting for the product of their labor. Log buyers can usually predict the actual yield of board feet from a log depending on the log rule used. It is vital that sellers understand the differences between the scaling methods so as not to be taken advantage of.
Savvy buyers are flexible in the rules they use.
Doyle and International are dramatically different for small diameter logs, yet very similar for large diameter logs. For example, if logs for a particular site scaled about 5,000 board feet in Doyle, this would convert to 6,000 board feet in International and 5,500 board feet in Scribner. Log trailer Built with permanent stakes to carry sawlogs or pulp logs. Log trailers may have a grapple loader mounted front or rear in which case the operator can load himself. The increased cost of a loader on a log trailer means the trucker's rate will likely be much more.