Product overview
The Scorpion SII-4020-540KV motor is intended for 60–64-inch aerobatic airplanes operating on 6s batteries. Its recommended setup combines a 6s 3500–4000mah battery with a 15x8E or 16x7E propeller and a Tribunus 06-80A SBEC controller. For ultra-aggressive flying or installations using servos with very high current draw, the alternative recommended controller is the Trbinuus II 06-120A SBEC. The motor has a maximum LiPo cell count of 6s, with maximum continuous ratings of 85 Amps and 1850 Watts.
The motor uses a 12-arm stator, 14 magnet poles and a 13 Turn Delta winding made with 22-Strand 0.25mm wire. Its stator measures 40.0 mm (1.575 in) in diameter and 20.0 mm (0.787 in) thick. The body measures 48.9 mm (1.925 in) across and 46.15 mm (1.816 in) long, with a 5.98 mm (0.235 in) shaft and M8*1.0 adapter thread. Motor weight is 288 Grams (10.16 oz), while weight including packaging is 672g.
