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Scorpion Brushless Motors 40mm Series

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Select Motor Size: 4020 | 4025 | 4035

All Scorpion 40mm motors come pre-fitted with 4mm gold plated bullet connectors and include a hardware package that contains a cross style backplate mount with 4 screws, and threaded shaft prop adapter. Read more about Scorpion Motors and Scorpion ESC. The Scorpion High Voltage ESC are an ideal match for these high performance motors. Keep your bearings in top condition with the Scorpion motor lubrication kit.

Scorpion have commissioned Louis Fourdan to create a special version of his motor calculator. This is an awesome tool which allows you to play around with various power and prop configurations on different motors to see how they will perform. You may download the latest version from here.

Compare the Scorpion 40mm Series with motors from other popular manufacturers using this chart.

Click on image for a larger version.	Scorpion S-4020 (Top | 4025 | 4035) Overview Tech Drawing 4020-8 4020-10 4020-12 4020-14 4020-16 5 winds are available for this 40mm x 20mm motor: Motor Kv Imax Pmax 4S prop 5S prop 6S prop 4020-8: 790Kv 80A 1400W 14x8.5 13x6 11x8.5   4020-10: 630Kv 95A 1500W 16x8 13x8 12x8   4020-12: 542Kv 85A 1500W 18x12 16x10 14x10   4020-14: 484Kv 80A 1500W 19x12 17x10 15x10   4020-16: 415Kv 70A 1500W 20x13 19x12 17x10   Click on image for a larger version. Stator Diameter 40 mm Stator Thickness 20 mm No. of Stator Arms 12 No. of Magnet Poles 14 Motor Wind 8 Turn Delta Motor Wire 29-Strand 0.25mm (30 AWG) Motor Kv 790 RPM / Volt No-Load Current (Io) 3.5A @ 21V Motor Resistance (Rm) 0.011 Ohms Max Continuous Current 80 Amps Max Continuous Power 1400 Watts Weight 304 grams Outside Diameter 48.7 mm Shaft Diameter 6 mm Body Length 41.2 mm Overall Shaft Length 96 mm Stator Diameter 40 mm Stator Thickness 20 mm 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) 2.24A @ 21V Motor Resistance (Rm) 0.016 Ohms Max Continuous Current 95 Amps Max Continuous Power 1500 Watts Weight 304 grams Outside Diameter 48.7 mm Shaft Diameter 6 mm Body Length 41.2 mm Overall Shaft Length 96 mm Stator Diameter 40 mm Stator Thickness 20 mm 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 542 RPM / Volt No-Load Current (Io) 1.92A @ 21V Motor Resistance (Rm) 0.02 Ohms Max Continuous Current 85 Amps Max Continuous Power 1500 Watts Weight 304 grams Outside Diameter 48.7 mm Shaft Diameter 6 mm Body Length 41.2 mm Overall Shaft Length 96 mm Stator Diameter 40 mm Stator Thickness 20 mm No. of Stator Arms 12 No. of Magnet Poles 14 Motor Wind 14 Turn Delta Motor Wire 20-Strand 0.25mm (30 AWG) Motor Kv 484 RPM / Volt No-Load Current (Io) 1.59A @ 21V Motor Resistance (Rm) 0.024 Ohms Max Continuous Current 80 Amps Max Continuous Power 1500 Watts Weight 297 grams Outside Diameter 48.7 mm Shaft Diameter 6 mm Body Length 41.2 mm Overall Shaft Length 96 mm Stator Diameter 40 mm Stator Thickness 20 mm No. of Stator Arms 12 No. of Magnet Poles 14 Motor Wind 16 Turn Delta Motor Wire 18-Strand 0.25mm (30 AWG) Motor Kv 415 RPM / Volt No-Load Current (Io) 1.30A @ 21V Motor Resistance (Rm) 0.03 Ohms Max Continuous Current 70 Amps Max Continuous Power 1500 Watts Weight 304 grams Outside Diameter 48.7 mm Shaft Diameter 6 mm Body Length 41.2 mm Overall Shaft Length 96 mm £ 58.75 Select wind: 4020-8 (790Kv) 4020-10 (630Kv) 4020-12 (542Kv) 4020-14 (484Kv) 4020-16 (415Kv)
Click on image for a larger version.	Scorpion S-4025 (Top | 4020 | 4035) Overview Tech Drawing 4025-10 4025-12 4025-16 3 winds are available for this 40mm x 25mm motor: Motor Kv Imax Pmax 4S prop 5S prop 6S prop 4025-10: 515Kv 100A 2000W 19x12 16x12 15x10   4025-12: 440Kv 85A 2000W 20x13 18x12 17x10   4025-16: 332Kv 75A 2000W 24x12 22x12 19x12   Click on image for a larger version. Stator Diameter 40 mm Stator Thickness 25 mm No. of Stator Arms 12 No. of Magnet Poles 14 Motor Wind 10 Turn Delta Motor Wire 27-Strand 0.25mm (30 AWG) Motor Kv 515 RPM / Volt No-Load Current (Io) 2.32A @ 21V Motor Resistance (Rm) 0.016 Ohms Max Continuous Current 100 Amps Max Continuous Power 2000 Watts Weight 354 grams Outside Diameter 48.7 mm Shaft Diameter 6 mm Body Length 46.2 mm Overall Shaft Length 101 mm Stator Diameter 40 mm Stator Thickness 25 mm 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) 1.80A @ 21V Motor Resistance (Rm) 0.022 Ohms Max Continuous Current 85 Amps Max Continuous Power 2000 Watts Weight 347 grams Outside Diameter 48.7 mm Shaft Diameter 6 mm Body Length 46.2 mm Overall Shaft Length 101 mm Stator Diameter 40 mm Stator Thickness 25 mm No. of Stator Arms 12 No. of Magnet Poles 14 Motor Wind 16 Turn Delta Motor Wire 18-Strand 0.25mm (30 AWG) Motor Kv 332 RPM / Volt No-Load Current (Io) 1.17A @ 21V Motor Resistance (Rm) 0.034 Ohms Max Continuous Current 75 Amps Max Continuous Power 2000 Watts Weight 353 grams Outside Diameter 48.7 mm Shaft Diameter 6 mm Body Length 46.2 mm Overall Shaft Length 101 mm £ 62.50 Select wind: 4025-10 (515Kv) 4025-12 (440Kv) 4025-16 (332Kv)
Click on image for a larger version.	Scorpion S-4035 (Top | 4020 | 4025) Overview Tech Drawing 4035-250 4035-330 4035-380 4035-460 The Scorpion 4035 series airplane motors are built around an 8mm motor shaft for rock solid stability and larger 16mm x 8mm bearings to be able to handle the higher prop loads. 4 winds are available for this 40mm x 35mm motor: Motor Kv Imax Pmax 6S prop 8S prop 10S prop 12S prop 4035-250: 250Kv 65A 2700W 20x10 17x8 15x8 14x7   4035-330: 330Kv 65A 2400W 19x10 16x10 14x7 13x6.5   4035-380: 380Kv 70A 2600W 18x10 14x7 13x8 12x6   4035-460: 460Kv 75A 2800W 15x10 13x8 12x8 11x5.5   Technical drawing coming soon. Stator Diameter 40 mm Stator Thickness 35 mm No. of Stator Arms 12 No. of Magnet Poles 14 Motor Wind 7.5 Turn Delta Motor Wire 19-Strand 0.25mm (30 AWG) Motor Kv 250 RPM / Volt No-Load Current (Io) 0.69A @ 10V Motor Resistance (Rm) 0.037 Ohms Max Continuous Current 65 Amps Max Continuous Power 2700 Watts Weight 465 grams Outside Diameter 48.9 mm Shaft Diameter 8 mm Body Length 63.3 mm Overall Shaft Length 94.5 mm Stator Diameter 40 mm Stator Thickness 35 mm No. of Stator Arms 12 No. of Magnet Poles 14 Motor Wind 14 Turn Delta Motor Wire 20-Strand 0.25mm (30 AWG) Motor Kv 330 RPM / Volt No-Load Current (Io) 1.41A @ 10V Motor Resistance (Rm) 0.031 Ohms Max Continuous Current 65 Amps Max Continuous Power 2400 Watts Weight 442 grams Outside Diameter 48.9 mm Shaft Diameter 8 mm Body Length 63.3 mm Overall Shaft Length 94.5 mm Stator Diameter 40 mm Stator Thickness 35 mm 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 380 RPM / Volt No-Load Current (Io) 1.52A @ 10V Motor Resistance (Rm) 0.025 Ohms Max Continuous Current 70 Amps Max Continuous Power 2600 Watts Weight 430 grams Outside Diameter 48.9 mm Shaft Diameter 8 mm Body Length 63.3 mm Overall Shaft Length 94.5 mm Stator Diameter 40 mm Stator Thickness 35 mm No. of Stator Arms 12 No. of Magnet Poles 14 Motor Wind 10 Turn Delta Motor Wire 24-Strand 0.25mm (30 AWG) Motor Kv 460 RPM / Volt No-Load Current (Io) 1.7A @ 10V Motor Resistance (Rm) 0.02 Ohms Max Continuous Current 75 Amps Max Continuous Power 2800 Watts Weight 435 grams Outside Diameter 48.9 mm Shaft Diameter 8 mm Body Length 63.3 mm Overall Shaft Length 94.5 mm £ 110.45 Select wind: 4035-250 (250Kv) 4035-330 (330Kv) 4035-380 (380Kv) 4035-460 (460Kv)