Scorpion S4025-12
$104.99
The Scorpion 4025-12 is the ideal motor for the new class of 3D aircraft around 70″ wingspans that has recently gained popularity. These aircraft use 6S lipo packs around 5000mah and weigh around 9lbs. Suggested applications include:
3D Hobby Shop 70″ Slick
3D Hobby Shop 68″ Velox
3D Hobby Shop 65″ Vyper
And other similar aircraft. This motor is also a good choice for sport applications in the 10-11 lb range of all up weight.
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 anodized to provide a beautiful, long-lasting finish. The stators are made with 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 N-50EH style, which are rated for operation at 200 degrees C (392 F), making a motor that is virtually impossible to burn up in normal use.
All Scorpion 40mm motors come with pre-tinned power leads that are ready for yout favorite style connector, and include a complete hardware package that contains a cross style backplate mount with 4 screws, and threaded shaft prop adapter.
Scorpion Motors are built to last, and are backed with a 2-Year warranty against defects in materials or workmanship. For the best overall combination of quality, performance, and value, give Scorpion Motors a try!
Specifications
Stator Diameter ………………………. 40.0 mm (1.575 in)
Stator Thickness ……………………… 25.0 mm (0.984 in)
No. of Stator Arms ………………………………………… 12
No. of Magnet Poles ……………………………………….. 14
Motor Wind ……………………………………. 12 Turn Delta
Motor Wire ………………… 22-Strand 0.25mm (30 AWG)
Motor Kv …………………………………….. 440 RPM / Volt
No-Load Current (Io) @ 21 v …………………. 1.80 Amps
Motor Resistance (Rm) ……………………….. 0.022 Ohms
Max Continuous Current …………………………. 85 Amps
Max Continuous Power ………………………… 2000 Watts
Weight ……………………………….. 347 Grams (12.24 oz)
Outside Diameter …………………….. 48.7 mm (1.917 in)
Shaft Diameter …………………………. 6.0 mm (0.236 in)
Body Length ……………………………. 46.2 mm (1.819 in)
Overall Shaft Length ………………… 101.0 mm (3.976 in)
The Scorpion 4025-12 running on 6 Li-Po cells with an APC 16×8E prop:
Amps – 59
Watts – 1239
RPM – 8,000
Thrust – 172 ounces (10 pounds 12 ounces)
Pitch Speed – 61 MPH
The Scorpion 4025-12 running on 6 Li-Po cells with an APC 17×10E prop:
Amps – 81.6
Watts – 1714
RPM – 7,625
Thrust – 228 ounces (14 pounds 4 ounces)
Pitch Speed – 72 MPH
