Super strong BRUSHLESS digi next-generation servo with lightning-fast response for large helicopters, giant aircraft as well as cars. Programmable, thrust 34kg.cm, speed 0.17s / 60 ° at 6.0V, 34kg.cm,


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In stock: 2 pcs
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Price with VAT::
154,05 € 146,36 €
Price without VAT:
120,96 €

-7,69 €


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The new ULTRA series digital servos with AC motors offer a number of revolutionary innovations. The use of a high-efficiency Neu / Castle Creations high-efficiency AC motor not only reduces current consumption versus digital servo-drives - thanks to Hitec's "Power Miser" technology, the current consumption is significantly lower than that of competing manufacturers of AC motors. We can show this on the example of current consumption when the servo is completely blocked - the Hitec AC servo is roughly a fifth of the current AC servo and even a tenth of the DC servo. Another new feature is the use of an electronics with a 12-bit control processor that allows extraordinarily accurate and fast control of ultra-high resolution servo motion - making full use of the 4096 steps the new Aurora 9X or Flash 7 offers! Another nice feature is that the servo will not depend on the supply voltage of the servos - whether you feed the servo from a NiMH five-cell or a LiPo twin-cell, the servo will have the same thrust (speed will be higher at higher voltages - DC "servos).

Another benefit of the Hitec AC servo is the regenerative braking - when the engine is stopped, the servo does not consume electricity but can return it to the receiver battery.

The servo electronics are programmable, they can be programmed using the DPC-10 or DPC-11 PC interfaces, along with a comfortable PC or PC utility. Separate HFP-30 programmer is ideal for setting up in field conditions. Programmable features:

  • FAIL SAFE off / On (Off)
  • Sense of rotation
  • Speed
  • Center, end points, and fail-safe (can be set to 180 °)
  • Insect bandwidth
  • Soft start (protects the servo and the steering control mechanism when the onboard electronics is on)
  • Saving and opening parameter files
  • Reset servos to factory defaults

Insertion of Hitec alternating servos

The regenerative braking may provide some special features when installing servos:

  • The servo is powered directly from the receiver battery (via a receiver without a power stabilizer or an electronic back-up system) - in which case AC servos can be connected as standard heavy-duty servos, reversing current will recharge the receiver battery. <" / Li>
  • The servo is powered by the "powerbox" of the electronic power supply / back-up system - in this case, it is necessary to use the PAD return current absorber which will eliminate the return current during braking. If you do not use the PAD absorber, there is a risk of damage to the electronics of the power system. For details on using the PAD absorber, refer to the servo operating instructions.


Super strong digital servo with standard titanium-size AC motor and output shaft mounted in 2 ball bearings with increased supply voltage. Other axle gears are mounted in sliding bronze bushings to ensure long service life and accurate running. The Servo is especially suited for large helicopters and giant aircraft and other demanding applications with emphasis on high stroke, high resolution, precision and super fast response of the control electronics. Powerful AC motor with low current consumption ensures optimum operating conditions even at high load. The newly developed servo output shaft with a 25-teeth multi-pinch (inter alia, allows a more precise adjustment of the lever perpendicular to the longitudinal axis of the servo) and the new servo levers (not compatible with the existing Hitec servos).

Due to the increased supply voltage (up to 7.4V, 2s Li-poly / Li-Fe), it makes it very easy to implement the onboard electronics with 2.4GHz Maxima or Optima receivers when feeding Li-poly or Li-Fe double-cell without the need for additional stabilizers Or regulators.

Servos size Standard
Servo type digital
Stroke at 6.0V [kg / cm] 34
Stroke at 7.4V [kg / cm] 34
Speed \u200b\u200bat 6.0V [s / 60h.] 0.18
Velocity at 7.4V [s / 60st.] 0.14
Ball bearings 2xBB
Highvoltage Yes
Power [V] 6 - 7.4"
Length [mm] 40
Width [mm] 20
Height [mm] 38
Weight [g] 68
Intended for Airplanes, helicopters, road cars, terrain cars, boats
Number of teeth of the shaft 25

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