hi everybody ! , i have a Micro Motor i wish to slow down, it is rated at 3v , and load current is 0.12 amps...the rpm is 13800 !!!...could i use resistors, of course just using one 1.5v battery would half the speed ?...but how to get even lower,its use will be for the tail-rotor on a model helicopter i am building ..its a small motor 10mm x 8mm x 6mm !!!....many thanks...peter