3314 



Chapter 27 



90 



80 



50 - 



40 



12 



13 14 15 16 



BOLT DIAMETER (INCHES) 



17 



18 



90 



80 



LlI 



o 70 



LlI 



y 60 



50 - 



40 



6^" CORE, THEORETICAL 



7" CORE, THEORETICAL 



o o o 



o 



o 



a 



□ 7" CORE, ACTUAL 



o 6-^"C0RE, ACTUAL 

 I I 



13 14 15 16 17 



BOLT DIAMETER (INCHES) 



18 



19 



M 140 209 

 M 140 211 

 Figure 27-21. — Volumetric yield of green southern pine veneer, 0.413 inch thick (top) 

 and 0.500 inch thick (bottom), as a function of bolt diameter. The difference between 

 theoretical and actual laboratory yield is due to roundup, lack of straightness in bolt, 

 and occasional spinout of the partially rotary-cut bolt in the lathe. (Drawing after 

 Schaffer et al. 1972.) 



