hi guys got a problem with a lecy helicopter any clues ? the manuel says use 9.6v battery tried a 7.2v not enough lift so bought a brand new 9.6 still not enough lift (model set up by a competant flyer) the speed controller is an 18a (i assume a = amp) would a 30 or 60 a make the motor spin faster giving it the extra lift ? is 18a restricting lecy flow