3332 



Chapter 27 



Table 27-2 — Volume of solid wood, excluding bark, in standard rough cords cut in the 

 North Carolina Piedmont from trees in 10 dbh classes (Welch 1975) 



Dbh 



(inches) 



All 

 species 



Pine 



Other 

 softwood 



Hardwood 



10 

 12 

 14 

 16 

 18 

 20 

 22 

 24 + 



Average 



72.9 



71.5 



77.4 



73.8 



Table 27-3 — Bark volume in cordwood (as percent of unpeeled wood) for different 

 average values of the ratio (k) of diameter outside bark to diameter inside bark (Cham- 

 berlain and Meyer 1950) 



Ratio 

 (k) 



Bark volume in percent 

 of unpeeled wood' 



0.85 

 .86 

 .87 

 .88 

 .89 

 .90 

 .91 

 .92 

 .93 

 .94 

 .95 



22.2 

 20.8 

 19.4 

 18.0 

 16.6 

 15.2 

 13.8 

 12.3 

 10.8 

 9.3 

 7.8 



'Computed by formula 80(1 -k^). 



Table 27-4 — Number of standard cords of unpeeled wood required to make one stan- 

 dard cord or one long cord of peeled wood (After Worley 1958) 



Species type 



Number of standard cords of unpeeled wood for 

 One cord peeled One long cord peeled 



Thin-barked trees such as 

 red maple, beech 



Medium-bark trees such as 

 red, scarlet, and white oak 



Thick-barked trees, such as 

 black and chestnut oak . . . 



1.12 

 1.17 

 1.23 



1.40 

 1.47 

 1.55 



