Combo with EDF 12-blades 120mm JP Hobby V2 100% metal with motor 12S 760Kv and ECS 160A + Ubec 12A. Following the success of the MB-339 Mini version in EDF and kerosene, Sebart offers a larger version with the possibility of installing both versions of the engine.
Available on order
Warning: Last items in stock!
Availability date: 2019-01-10
By buying this product you can collect up to 2132 points . Your cart will total 2132 points that can be converted into a voucher of US $51.17 .
Reference: JPH-ER-120-10-12mmLLL(IOI)
Brand: JP Hobby
Electric Retract ER-010/120 (3 retracts whose 1 front)> Model Weight: until 12kg (10kg for ER-010 oleo struts)> Struts diameter: 12mm (adapter 10mm)> Angle: 3x 90 degrees> Rotation direction: 2x Inside (jack side) + 1x Outside (opposite jack side)> Mounting: 3x Low
Reference: JPH-TS-050
Brand: JP Hobby
JP Hobby 50/16mm air-filled Tyre
Reference: JPH-WF050-5
Brand: JP Hobby
JP Hobby 50/16mm aluminium wheel (5mm axle)
Reference: JPH-BRAKE063-5
Brand: JP Hobby
JP Hobby Electric Brake with 2x 63/20mm Wheels (5mm axle)
Reference: JPH-WF063-6
Brand: JP Hobby
JP Hobby 63/20mm aluminium wheel (6mm axle)
Reference: JPH-TS-063
Brand: JP Hobby
JP Hobby 63/20mm air-filled Tyre
Reference: JPH-EDF120-12S-CCW
Brand: JP Hobby
Combo 120mm / 12 pales / 760KV (outrunner) / 12S / 710g> 12S (44.4V) : 112 A / 7.5kg / 4972 W> 12S (48.0V) : 127 A / 8.62 kg / 6096 W
Reference: JPH-EROLEB-120-SEB-AV-XS(N)
Brand: JP Hobby
Electric Nose Gear Retract ER-120S> Model Weight: until 12kg> Strut diameter: 12mm> Angle: 90 degrees> Rotation direction: Outside (Opposite jack side)> Mounting: Low> Wheel: 1x 50mm
Reference: JPH-EROLEB-120-SEB-MB339XS(M)
Brand: JP Hobby
Electric Main Retract ER-120S> Model Weight: until 12kg> Struts diameter: 12mm> Angle: 2x 90 degrees> Rotation direction: 2x Inside (jack side)> Mouting: 2x HLow> Wheels: 2x 65mm (with brakes)
Reference: JPH-EROLEB-120-SEB-MB339XS
Brand: JP Hobby
Electric Retract ER-120 (Sebart MB-339 XS 1.9)> Model Weight: until 12kg> Struts diameter: 12mm> Angle: 3x 90 degrees> Rotation direction: 2x Inside (jack side) + 1x Outside (opposite jack side)> Mounting: 3x Low> Wheels: 2x 65mm (with brakes) + 1x 50mm
| Wingspan: | 1880mm / 74.80in |
| Length (mm): | 1930mm / 76.30in |
| CG (Center of Gravity) | Check manual |
| Servos | 6 MG mini servos + 2 standard for flaps |
| Servo Size: | Mini, Standard |
| Direction of Rotation (EDF Rotor) | Classic Counter Clock Wize (CCW) |
| EDF Diameter Class (mm): | 120 |
| EDF Outside Diameter (mm): | 123mm |
| Blades: | 12 |
| Turbine shroud | Metal |
| EDF Rotor | Metal |
| Power System | JP 5050-Ⅵ |
| No. of Magnet Poles: | 12 |
| Turns/min/Volt (Kv): | 760 Kv |
| Motor Type: | Out-Runner |
| Motor Diameter (mm): | 50 |
| Shaft diameter (mm): | 8 |
| Max Intensity (A): | 130A |
| Battery Cells: | 12s - 44.4v |
| Battery Capacity (mAh) | 5.000 mAh, 5.800 mAh |
| Connection: | Pk 5mm |
| Surfaces | Ailerons, Rudder, Elevator, Flaps |
| Landing Gear | Retractable suspended gear |
| Material | Wood, Oracover wings coverage, Fiberglass |
| Build time | 12 hours |
| Required Radio | Minimum 7 channels |
| Recommended pilot skill level | Advanced, Intermediate |
Following the success of the MB-339 Mini version in EDF and kerosene, Sebart offers a larger version with the possibility of installing both versions of the engine.
The MB339 1.9m Jet ARF is the big brother to the 90mm MB339. This sport jet model is largely designed off the full-scale MB339 and modified by adding the ultimate aerodynamic ideas of modern pattern models. Combined with Sebastiano's 15 years of experience in flying jets, the result are surprising! The innovative design of the MB339 XS is due to the combined lightweight composite fuselage and built-up wood flying surfaces which allows the MB339 an impressive precision and smoothness at any airspeed and flight condition.
As the all other products of the brand, the construction and the finish are of irreproachable quality. The Mb339 XS can be flown with a 12 Blade 120mm EDF unit with 12S 5800mAh LiPo power or a P60 to P130 Turbine, either way this sport jet will perform!
The motor and fan unit comes assembled and balanced from the factory.
About the above measures : they have been read on the test bench with the intake lip on the unit. The measures have been made using a bench stabilized power source. Results may changed depening upon your equipment and situation.
| Description / LiPo | 12s (44.4v) | 12s (48.0v) |
| Thrust: | 7.5 kg | 8.62 kg |
| Current: | 112 A | 127 A |
| Power: | 4972 W | 6096 W |
| Recommended ESC: | 120 A / HV | 150 A / HV |
| Recommended battery: | 5000mAh 40C | 5000mAh 40C |
The controller should be chosen 20% over rated due to the long lasting load.
LV = low voltage controler up to 6s, HV = high voltage controler above 6s.
Battery should be chosen about 15/ - 1/20 of the max current for 4-3 minutes WOT. 30-40 C is appropriate.
Operating the motor outside of the specifications listed above can either damage the motor, battery or esc. It is important that these components are set up properly. Failure to do so can void the warranty. It is strongly encouraged to use a Watt Meter to test the watt and amp performance when setting up a new system. If the output is above the factory recommended specs, then it needs to be adjusted by the esc. The timing and throttle settings on the esc can help to set the appropriate levels.
WARNING: This turbine is delivered with the engine cover shown in the pictures. This engine cover significantly improves the flow of ejected air without this improvement can be considered an improvement in performance of the turbine. On the other hand, the engine cover significantly reduces engine ventilation and may in some cases cause it to overheat. We advise you not to use the engine cover or to check that the engine temperature is not excessive after a flight.

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