Scorpion SII-5535-190KV

$ 439.99

Backorder (ship within 30 days)

Notify me when this item is back in stock

Product Description

Scorpion SII-55 series is the second generation of high efficiency electric motor from Scorpion that are widely used in the size of 50cc airplane, with proven technology in new magnet configuration and housing design to provide higher efficiency, higher power, less eddy current losses with lower internal resistance than our previous S-55 series.

Scorpion starts with premium material with high quality aluminum alloy parts that are produced on the latest CNC milling machines. These parts are then gold Electro-coated to provide a beautiful, long-lasting finish. The stators are made by top grade 0.35mm laminations to give maximum efficiency, and minimum Eddy current losses. The stators are epoxy coated to prevent shorts, and are wound with wire that is rated at 180 degrees C (356 F). The magnets used in Scorpion Motors are custom manufactured to be able to withstand high temperatures.

Scorpion Motors are built to last, and are backed with a 1-Year warranty against defects in materials or workmanship.


HK Design Patent No. : 1201208.6

CN Design Patent No. : 201230267986.0

Taiwan Design Patent No.: 101303643

All other worldwide Patent: Pending


Suggestion :

This motor is perfect for any 50-70cc airframes, or aerobatic airplanes with Wingspan of 85-95" running on 12s batteries.


Recommended set up :

ESC - Tribunus 12-130A SBEC ESC

Battery - 12s 4500-5500mah

Prop - 23x10E , 24x10E


Flight Demo:

Scorpion SII-5535-190KV


Stator Diameter 55mm (2.165 in)
Stator Thickness 35mm (1.378 in)
No. of Stator Arms 12
Magnet Poles 14
Motor Wind 14 Turn Delta
Motor Wire 23-Strand 0.33mm
Motor Kv 190 RPM / Volt
No-Load Current (Io/10V) 1.24 Amps
Motor Resistance (Rm) 0.022 Ohms
Max Continuous Current 95 Amps
Max Continuous Power 3900 Watts
Weight 906 Grams (29.41 oz)
Outside Diameter 66.4 mm (2.614 in)
Shaft Diameter 7.98 mm (0.314 in)
Thread size M8*1.0
Body Length 69.52 mm (2.737 in)
Overall Shaft Length 116 mm (4.567 in)
Max Peak Current 140 Amps
Max Peak Power 5800 Watts
Max Lipo Cell 12s
Motor Timing 5deg
Drive Frequency 8kHz

Included in the Box

1x Scorpion SII-5535-190Kv Motor
3x Female Connectors
3x Heat Shrink
1x Cross Motor Mount
4x Screw
1x Thrust washer
1x tapered collar
1x spacer collar
1x Prop washer
1x Prop nut
2x Nut lock

Weight including packaging


Data Chart

View Scorpion SII-5535-190KV Data Chart

Full Dimension

View Scorpion SII-5535-190KV Full Dimension