Need help for hammer spring

Hi I am Posting here for the first time was surfing talonairgun for a long time
I am from Pakistan Pcp Air gin are not available here so I tried to built my own like airforce talon I have some question to be answer 1st of all I want to know the dia,length and the thickness of the hammer spring and no of turn in the spring, The spring which I used is made up of 2mm wire and its 6 inches long take a lot of effort to cock it, and trigger also takes a lot effort to fire kindly shed some light so i can get a quick relief will try to post some images [/b]