Re: OT - Board feet lumber calculation

Posted by kyhayman on January 28, 2004 at 13:20:41 from (205.204.242.23):

In Reply to: OT - Board feet lumber calculation posted by Charles Jackson on January 28, 2004 at 11:42:34:

There are actually 3 different log rule formulas (Doyle, International, and Scribner). Each gives slightly different results. They vary based on assumptions about kerf width and what you areactually cutting the log into (if you cut into all 1" stuff you will have a lot more waste to sawdust)

Doyle: BDFT=((diameter-4)/4)*length

International (1906) BDFT= ((.022*diameter squared)-(.071*diameter))* (length/4)

Clear as mud :-) Oh, BTW, always measure from the inside of the bark.

Doyle tends to underestimate. Most folks here use it though (better for the mill).

Follow Ups:

• Re: Re: OT - Board feet lumber calculation snitkawl 16:04:50 01/28/04 (2)
  • Re: Re: Re: OT - Board feet lumber calculation kyhayman 16:35:18 01/28/04 (1)
    • Re: Re: Re: Re: OT - Board feet lumber calculati bob 21:42:41 01/28/04 (0)
• Re: Re: OT - Board feet lumber calculation Bus Driver 15:02:43 01/28/04 (0)
• Re: Re: OT - Board feet lumber calculation Shane 14:18:05 01/28/04 (2)
  • Re: Re: Re: OT - Board feet lumber calculation kyhayman 15:29:20 01/28/04 (0)
  • Re: Re: Re: OT - Board feet lumber calculation VaTom 14:45:39 01/28/04 (0)

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