Texas Hobbies

Scorpion S4020-10

$89.99

The Scorpion S4020-10 is the perfect motor for aerobatic and 3D aircraft considered “40 size” by old nitro designations. These include 3D profiles up to 50″ wingspans and scale aerobatic aircraft up to 60″. Suggested setup for 3D with this motor is a 5S lipo pack around 3000 mah and a controller capable of 50 amps or greater. Aircraft include:

3D Hobby Shop 55″ Edge 540
3D Hobby Shop 55″ Extra SHP
3D Hobby Shop 57″ Extra 330SC
Extreme Flight 58″ Extra 300-E
Mojo 40
Primo 40
Sabre 48
40-size Laminar Yak
Hyperactive 48

And other similar aircraft. The 4020-10 is also a great choice for sport planes up to 6.5lbs.

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 ……………………… 20.0 mm (0.787 in)
No. of Stator Arms ………………………………………… 12
No. of Magnet Poles ……………………………………….. 14
Motor Wind ……………………………………. 10 Turn Delta
Motor Wire …………………. 25-Strand 0.25mm (30 AWG)
Motor Kv ……………………………………… 630 RPM / Volt
No-Load Current (Io) @ 21 v …………………. 2.24 Amps
Motor Resistance (Rm) ……………………….. 0.016 Ohms
Max Continuous Current …………………………. 95 Amps
Max Continuous Power …………………………. 1500 Watts
Weight ………………………………… 304 Grams (10.72oz)
Outside Diameter …………………….. 48.7 mm (1.917 in)
Shaft Diameter …………………………. 6.0 mm (0.236 in)
Body Length ……………………………. 41.2 mm (1.622 in)
Overall Shaft Length ………………….. 96.0 mm (3.779 in)