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Until recently, magnetic actuators were the only option for sub 30gm micro models. The advent of tiny servos and module systems like the AR6400 have lowered the bar, but for really small model aircraft, actuators are the only solution. Coupled with a good receiver (e.g. the DT DSM2 Actuator Receivers), magnetic actuators make it possible to build and fly model aircraft with auw down to 2 or 3 gm.
The actuators listed below are presented in order of increasing torque and weight.
The MicroAct weighs approx 0.4g. It as 16cm (approx) leads with
nano-connector - plugs right into the Micro9 receiver.
This version of the actuator can be used in hinges and has plastic flanges
under the base to fix to rudder or elevator if desired.
The MiniAct weighs approx 1.1 g and provides ample power for most
indoor R/C aircraft.
The Nano Connector plugs right into the Micro9 receiver
- very good for beginnners - plug and play!