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

Write A Review

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

In Stock


This motor is designed to be the ultimate competition motor for the F3A standard. The S-5028-220kv (F3A Limited Series) is 30 grams lighter than the S-5030-220kv F3A Special Edition with a single strand winding of 1.2mm with 11 turn YY winding to provide maximum possible efficiency. Max peak power and current ratings are the same as the S-5030-220kv F3A Special Edition with a lower running temperature.

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-Coated to provide a beautiful, long-lasting finish. The stators are made with 0.2mm lamination's 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, 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.


Scorpion S-5028-220KV (F3A Limited Series) Specifications
 Stator Diameter 50 mm (1.56 in)
 Stator Thickness 28 mm (1.10 in)
 Number of Stator Slots 12
 Number of Magnet Poles 14
 Motor Wind 11 Turn YY
 Motor Wire 1-Strand 1.2mm
 Motor Kv Value 220 RPM per Volt
 No Load Current (Io) 0.98 Amps @ 10 Volts
 Motor Resistance (Rm) per Phase 0.032 Ohms
 Maximum Continuous Current 70 Amps
 Max Continuous Power (10-cell Li-Po) 2590 Watts
 Motor Weight 576 grams (20.32 oz.)
 Outside Diameter 59.8 mm (2.35 in.)
 Shaft Diameter Internal 10mm / External 8mm
 Motor Body Length 60.0 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


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

Write A Review

Only registered users can write reviews. Please log in or register

Customer Reviews

This product has not been reviewed. You could write the first review.