getting close to finishing my alpha 60 and im really nose heavy when im balancing it i have a os 61fx with a true turn spinner my receiver and batt are back as far as it can be in the fuselodge to get it level it takes 15 of the 1/4oz small square lead weights i slid them in the rear hole where the elevator control rod comes out i havnt mounted the permently yet im measureing back 1 1/4 back from leading edge is it ok to put that many weights on a plane? and should i be measureing from a different spot than the 1 1/4