Platinum 4120SL-610KV
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The PLATINUM motors of the 4120 series are high-performance brushless fourteen-pole electric motors with a rotating casing ("outrunner") with excellent electrical properties, sophisticated construction and top-quality manufacturing. Hardened steel shafts and high-quality bearings ensure a long service life, quality materials used to make the stator and rotor also guarantee excellent performance parameters with high efficiency. They are low-speed, high-torque engines that handle large-diameter propellers and climbs without the need for a gearbox.
Engine designation system: xxYY SL-zzzz
xx - stator diameter in mm
YY - stator length in mm
SL - sensorless (SensorLess) engine
zzzz - number of revolutions per volt (rpm/V), "KV"
PLATINUM 4120SL-610KV
PLATINUM 4120SL-610KV is an AC motor designed to drive models with a flight weight of up to 4000 g with power from a five-cell or six-cell LiPo battery.
Motor Mounting: The PLATINUM 4120SL-610KV is designed for both front and rear mounting. For front mounting behind the engine face, use four M4 screws that extend into the engine face max. 5 mm. The holes for the fixing screws in the front of the motor are spaced regularly at 90° on a circle with a diameter of 30 mm. The engine bulkhead should be 5-8mm aircraft grade plywood. The rear mounting kit (mounting cross, rear mounting propeller carrier) is supplied with the engine.
Motor kit includes: PLATINUM 4120SL-610KV AC motor with cables with soldered 4mm gold-plated connectors, rear mounting kit, instructions.
LiXX cell power supply | 5 - 6 |
Revolutions per volt [rpm/V] | 610 |
Max. power (59 s) [W] | 2252 |
Internal resistance [mOhm] | 12 |
No load current (at 22.2 V) [A] | 3.7 |
Max. peak current (59 s) [A] | 121.9 |
Diameter [mm] | 49.5 |
Length [mm] | 50.3 |
Total length [mm] | 72.3 |
Shaft diameter [mm] | 6 |
Weight [g] | 317 |
Number of poles | 14 |
Timing [°] | 15 - 25 |
Regulator [A] | 120 - 150 |
Recommended propeller (5S) | 15x8", 16x8" |
Recommended propeller (6S) | 14x6”, 15x6” |