69. 
WEIGHTS& COEFFICIENTSOFT RANSVERSESTRENGTH. 
WEIGHT 
per cbm. P, 
in perfectly dry state. 
Sappan ... Bt 1030 1065 
Payoong S41 900 622 
Deng... oa 1020 608 
Maka... aa 1000 630 
Teng... ies 950 » 3T4 
Pradoo ... eke 900 | 371 
Teak (Sak ) the 770 1 503 
Rang ss ‘gin 920) | 569 
Takien ... we 830 478 
Pluang ... wid 830 d18 
Yang... 5s 790 527 
Kwao... eal 680 459 
Tabek =... ee 680 450 
Ngiu oes as 400 360 
For other timber see List of Timber trees arranged 
in alphabetical order and classified according to durability. 
The coefficients of transverse strength are calculated 
from the formula : 
wx th 
P= Bx D 
W = Weight in kg when placed on a bar which will 
cause it to break. 
L = _ Jength of bar in cm. 
B and D= breadth and depth in cm. 
