what do i need to get out of the lift formula for a hang glider to glide a decent distance?

i put everything into the lift formla and got 18.6 and the weight of me and the hanglider im going to build im guessing is 200 pounds
but i just want to glide or really just fall slowly
what do i want to get out of the lift formula to semi-glide?
or is there a totally different formula
and i know building a hanglider is stupid and i might kill myself
thanks for the help!