I want to make my x-52 spring tighter.. and i can't find a way to do it. if anyone has ideas, they'll be welcome.

Thx

Use a translator:
http://igalax.ru/

This site has full mechanical drawings for the X-52. Remember that a linear spring exterts more force the more its compressed. So just finding some kind of round washer that could be placed over the stick shaft to help compress the spring should do the job.

If none of that works get a Cougar