Scorpion is pleased to announce the new series of the IS-28 Inrunner motor is now available. Scorpion IS-series is the newest in-runners series from Scorpion, as to extend “The Power system of Champions”. This IS-series is build from the finest material, with the state-of-the art designs. It performs as great as our current out-runner series that becomes the champion’s MUST choice. The prototype of these series won several world-class competition including the Naviga World Championship.
IS-series are primarily designed for using in RC powered-boat, this IS-28 series is specifically designed for the ECO and MONO-1 with either 2s or 3S Lipo.
Scorpion Motors are built to last.
For the best overall combination of quality, performance, and value, give Scorpion Motors a try!
Specifications
Stator Diameter
28.0 mm (1.10 in)
Stator Thickness
30.0 mm (1.18 in)
No. of Stator Arms
12
Magnet Poles
4
Motor Wind
1.5 Turn Delta
Motor Wire
1 Strand 1.6mm
Motor Kv
4650 RPM / Volt
No-Load Current (Io)
2.43 Amps @ 8 volts
Motor Resistance (Rm)
0.056 Ohms
Max Continuous Current
56 Amps
Max Continuous Power
420 Watts
Weight
170 Grams (6.00 oz)
Outside Diameter
29.0 mm (1.14 in)
Shaft Diameter
4.00 mm (0.157 in)
Body Length
74 mm (2.91 in)
Overall Shaft Length
90.0 mm (3.54 in)
Max Lipo Cell
2s
Motor Timing
5-15deg
Drive Frequency
8kHz
Max RPM
42000 RPM
Weight including packaging
420g