My 9254 fail las week, on my sceadu 50 , and i lose the tail flying , the heli lands , and dont crash

I have one JR Digital servo , That i use for presicion flight (pattern planes) , can i put it to the tail on heli , and it will work????
What is the maximun angular velocity that the 401 supports?the 9254 has 60° speed: .08 sec @ 4.8v

Thanks for reply.