Scorpion S-5028-220KV (F3A Limited Series)

$ 349.99
Motor Available for Special Order only. Email for order inquiry.

Product Description

Scorpion S-5028-220KV motor is specially designed for F3A and run on 10 Li-Po cells with props in the 19 to 20 inch range. Everything possible has been done on this motor to get the most possible power at the lightest possible weight. The Front housing, Bearing Tube and flux ring have been made as light as possible, and a Titanium Main Shaft is used to save even more weight, while maintain strength.

Scorpion Competition Series Brushless Motors are built from the best materials available, and are designed to provide both quality and performance at an affordable price. Scorpion starts with high quality aluminum alloy parts that are produced on the latest CNC milling machines. These parts are then gold Electro-Plated to provide a beautiful, long-lasting finish. The stators are made with 0.2mm 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 rated for operation at 200 degrees C (392 F), making a motor that is virtually impossible to burn up in normal use.

Scorpion Motors are built to last, and are backed with a 2-Year warranty against defects in materials or workmanship. However, due to the high RPM of these motors, and the fact that we cannot control the installation and setup, the bearings are not covered by the 2-Year warranty, nor is any subsequent damage caused to the motor by a bearing failure. Bearings are a normal wear item, and as such, need to be maintained and changed periodically. For maximum life, make sure that a sufficient gap is left between the pinion and main gear during motor installation to avoid binding, and put a small drop of oil on each bearing every 5-6 flights. It is the responsibility of the pilot to ensure that the bearings are maintained properly.

For the best overall combination of quality, performance, and value, use Scorpion Motors in your planes.

Scorpion S-5028-220KV (F3A Limited Series)


Stator Diameter 50 mm (1.56 in)
Stator Thickness 28 mm (1.10 in)
No. of Stator Arms 12
Magnet Poles 14
Motor Wind 11 Turn YY
Motor Wire 1-Strand 1.2 mm
Motor Kv 220KV RPM / Volt
No-Load Current (Io/10V) 0.98 Amps
Motor Resistance (Rm) 0.032 Ohms
Max Continuous Current 70 Amps
Max Continuous Power 2590 Watts
Weight 576 Grams (20.32 oz)
Outside Diameter 59.8 mm (2.35 in)
Shaft Diameter 7.98 mm (0.314 in)
Thread size M8*1.0
Body Length 60 mm (2.36 in)
Overall Shaft Length 113.6 mm (4.47 in)
Max Lipo Cell 10s
Shaft Material Titanium
Motor Timing 5deg
Drive Frequency 8kHz

Weight including packaging


Data Chart

View Scorpion S-5028-220KV (F3A Limited Series) Data Chart

Full Dimension

View Scorpion S-5028-220KV (F3A Limited Series) Full Dimension