Theory of Unsteady Propeller Forces 



'R '^^R 



^TxR 



Bz*3X* R*j 



^TzR - , 



(SR) 



(p = 

 (SR) 



= k ' = 1 



/ ■ ^LxRr 



, - i mN s 



J (SR) 



B \ 1 



k ' = 1 



= L 



p _-imNs 



LzRnm 



J(SR) 



3r ,'^. \ 3X* B0*/R* 



'^ ktl', 



E Ptx 



Rm 



(f-O 

 (SR) 



3z* k'n'i \ ^X* B0*/ R* 



J^ p^ ^-imNs 



TzRm 



<p = 

 (SR) 



(95) 



^- imNs 



B_ J. 

 LB^ R* J 



2_. ^K 'xPmn ^ 



(SP) 



^- imNs 



i^0 R* 



Z"« 



i nS , 



9Pmn 



(SP) 



3 f imN[(p/v^(T,'j)-s] ^B ]_ 



Bz* R| 



2_, ^LxPmn ^ 



J(SP) 



B f" imN[<p/v^(7,'j)-s] B 1 



^Be Jo 



Bz* R* 



dcp 



L^ 



Li9Pmn 



(SP) 



B 1 



B^BX* R| 



E Kt^P„ e' 



B2 1 



9 = 

 (SP) 



|_^B5BX| R*J 



E 



^TePn ^ 



9 = 

 (SP) 



^^ktr^ 



y r in(9 + S,,) /^, _^ _ ^ _^,^ J 



B _ 1^ B W 

 BX* ^ B0*Jr* 



^LxPn ^ 



J(SP) 



(96) 

 (Cont) 



47 



