3310 Chapter 27 



the headsaw to near the thickness of the finished product (7/16-inch). Yield from 

 12 logs (which totaled 350 bd ft Scribner Decimal C scale) was 406.20 sq ft of 

 paneling and 63.40 sq ft of 8-V^2-inch flooring squares. Press-dried boards had a 

 total yield of 60 percent of gross dry board weight (52 percent paneling, 8 

 percent flooring); kiln-dried boards had a total yield of 56 percent (48 percent 

 paneling, 8 percent flooring). Changing the module length from 16 to 24 inches 

 (so that end joints between panels would fall between studs) lowered total yield 

 slightly. The authors suggested that using breakdown equipment with a smaller 

 kerf (Vs-inch as opposed to 5/16-inch) would increase total yield 25 percent. 

 Reducing the thickness of the finished product to yg-inch and using a saw with a 

 kerf of 1/10-inch would raise yield another 14 percent. 



HICKORY BOLTS FOR HANDLE STOCK 



Hickory bolts generally 38 to 42 inches long and at least 7 inches in diameter 

 are the traditional starting point for making handles. Yields of such bolts and 

 additional sawlogs are shown by tree diameter in table 27-122. 



Hickory bolts are commonly sold by the cord or by the board foot (Lehman 

 1958). One thousand board feet (Doyle scale) of 40-inch bolts yields about 650 

 forty-inch handle blanks and 250 fourteen- to twenty-inch blanks. The shorter 

 blanks result from trimming for defects. A cord of hickory bolts yields about 275 

 long blanks, according to one company's records. For 40-inch bolts, a rick 4 feet 

 high and 9-% feet long constitutes a cord. For 38-inch bolts, the rick is 4 feet 

 high and 10 feet long. 



The number of handles that can be produced from hickory bolts of various 

 diameters is listed in section 22-4. 



Hickory is also purchased as split billets, which are usually 2 inches by 2 

 inches and come in six lengths (16, 18, 20, 26, 34, or 40 inches) and four grades 

 (extra, 1, 2, and 3) (Lehman 1958). 



For information on grades and specifications for hickory handle bolts, see 

 section 22-4, figure 22-11, and tables 22-7, 22-8, and 22-9. 



PALLETS 



Size and performance standards for pallets are covered in section 22-7, sub- 

 section PALLET STANDARDS, page 2609. 



Since most pallet parts are 30 to 48 inches in length and only a minor 

 proportion exceed 72 inches in length, short bolts are suitable for pallet produc- 

 tion. The SHOLO system for sawing 44- and 52-inch-long hardwood logs into 

 pallet parts is discussed in section 18-11, subsection BOLT SAWING PAT- 

 TERNS (page 1956), and illustrated in figures 18-114 and 18-115. 



Lumber grades for deckboards and stringers are discussed in section 22-7. For 

 quality distribution of hardwood pallet shook cut from three lumber grades by 

 two cutting methods, see figure 22-33. 



Weight of pallets made from pine-site hardwoods is also given in section 22-7; 

 see page 2618. 



