Hobbywing Platinum 120A V5 3-8S Brushless ESC with 5-12V SBEC for 450/500/520 Class RC Helicopters 500404BKZ having a matched pair makes

having a matched pair makes the setup much more useful

Custom speed-run and drag racing vehicles

a selectable 6V/7

but it makes a strong progression model for pilots moving beyond basic trainers and simpler powered gliders

Hobbywing Platinum 120A V5 3-8S Brushless ESC with 5-12V SBEC for 450/500/520 Class RC Helicopters 500404BKZ having a matched pair makesHobbywing Platinum 120A V5 is a compact aircraft brushless ESC designed for 450 size, 500 size, and 420520mm blade class electric helicopters using 38S LiPo power systems. With 120A continuous current, 150A peak current, a built in 512V adjustable switch mode SBEC, 32 bit processor control, RPM accuracy algorithm, telemetry support, and Platinum V5 heat sink airflow design, this ESC is a strong match for pilots who want advanced governor performance