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A/U 4120 Specificaton R4120/6 Weight down from 320g to 280g, internal Resistance down from 33 mΩ to only 15 mΩ | No. Of cells | RPM/V | Max. efficiency current | NoLoad current / 10 V | Current capacity | Ni-MH | Li-Poly | A4120/6 | 9-12 | 4-6 | 710 KV | 26 - 45 A (>81%) | 2.6 A | 60 A / 60s | | R4120/6 | 9-12 | 4-6 | 640 KV | 25 - 50 A (>84%) | 3.2 A | 70A /60s | A4120/7 | 9-12 | 4-6 | 610 KV | 20 - 40 A (>81%) | 2.0 A | 55 A / 60S |
| Max. efficiency | Shaft diameter (mm) | Weight with cables | Internal Resistance | Dimensions (mm) | A4120/6 | 84% | 6 mm | 309 g | 33 mΩ | 50 x 55 | | R4120/6 | 90% | N/A | 280g | 15 mΩ | 50 * 45 | A4120/7 | 85% | 6 mm | 309 g | 41 mΩ | 50x55 |
| | Recomended model weight | Recomended prop without gearbox | | R4120/6 | 2000 - 3500 g | 12 cells 13"x11" | 14 cells 13"x8" | 16 cells (5s Li) 12"x8" |
Availability: Good news, this product in stock, ready for shipping.
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| Extended Warranty to 2 years: |
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