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Super powerful standard digital servo for demanding use with metal gears to the output shaft is mounted in two ball bearings. Thanks to the increased supply voltage (up to 7.4 V, 2s Li-poly / Li-Fe) enables very simple implementation of the on-board electronics with 2.4GHz Optima series receivers when power dvoučlánku Li-poly or Li-Fe without the need of additional stabilizers or regulators . Ideal for all kinds of aircraft models (for up to 30-40 cc engine), elektrovrtulníky helicopters sizes 600-700 or combustion engine 30-90, cars and boats. It comes with chunky levers made of plastic filled with glass fibers.
Programmer digital servos Hitec HFP-20, HPP-21 or HPP-21 Plus can be programmed:
| size servos | Standard |
| type servo | digital |
| Move at 6.0V [kg / cm] | 14 |
| Move at 7.4V [kg / cm] | 17 |
| The speed at 6.0V [s / 60st.] | 0.17 |
| The speed at 7.4V [s / 60st.] | 0.14 |
| transfers servos | a metal |
| Ball bearings | 2xBB |
| High-voltage | Yes |
| [V] | 6 - 7.4 |
| Length [mm] | 39.8 |
| Width [mm] | 19.8 |
| Height [mm] | 38 |
| Weight [g] | 59 |
| Intended for | airplanes, race cars, terrain cars, boats |
