Observations on the out-of-roundness and deviations from nominal lengths of birch logs

A material of 478 birch logs were measured. The horizontal diameter was on average larger than the vertical one, the difference increasing with the increasing diameter. The reason was supposed to be the effect of sweep and out-of-roundness of logs. The difference between the actual and no...

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Bibliographic Details
Main Author: Kärkkäinen, Matti
Format: Article
Language:English
Published: Finnish Society of Forest Science 1980-01-01
Series:Silva Fennica
Online Access:https://www.silvafennica.fi/article/5083