M.>IGN OF Till. CUOfiS-SECTION 



I : 



It - that a ayiiiim trical arrangement of riveU 



surh as shown in c w better than t /, for the center 



of gravity of t) through i r and y-y of c lies 



in th- r.M.i uf tn, an^lr, \vhilr for t sj 



PlO. 3. 



tions of d it is first to the right of the root and then to the 

 :u< in.lk-ateil. The arrangement at d i* sometimes 

 chosen because it permits a little more freedom in driving 

 one of the inner lines of rivets. Care must be taken in 

 locating the sections x and y so that 2D + H5 V; for the 

 case selected the longitudinal pitch p cannot be leas than 



V-J-i 



In fact the stresses 



