Schmitke and Jones 



APPENDIX 

 STABILITY DERIVATIVES 



Stability derivatives are listed below for a single foil element, 

 using the sign convention of equation (7) . Summation of a given ex- 

 pression over all foil elements gives the total ship stability derivative. 



Lon g itudinal 

 X 



T ' U o SC D 



X_ = q ( C 



dS 



D ah 



+ s 



if] 



ah 



X 



-z* s co S r ( c D - c ) 



a 



r) C 



{ r dS q D \ 



q x i ( c d -sir + s ~air ) 



tC (z m + 2 z.) + x. cos T ( C: 

 D T ii D 



a 



- C l) 



- q ( C 



as 



L "dh~ 



+ S 



if] 



ah 



:os r 



>u 



r s ( c l cos2 r + c d } 



a 



«< C L"f! +S 



dC L 



"alT ) x i cos r 



pU 



2 C, z. cos T + x.( C, cos r + c 

 L i i L 



a 



J 



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