Новый мотор 2010 года, мне кажется заслуживает внимания
http://www.scorpionsystem.com/catalog/motors/hk50/hk_5020_450/pecifications
Stator Diameter 50 mm (1.56 in)
Stator Thickness 20 mm (0.787 in)
No. of Stator Arms 12
Magnet Poles 10
Motor Wind 16 Turn Delta
Motor Wire 16-Strand 0.33 mm
Motor Kv 450KV RPM / Volt
No-Load Current (Io/10V) 1.21 Amps
Motor Resistance (Rm) 0.019 Ohms
Max Continuous Current 85 Amps
Max Continuous Power 3770 Watts
Weight 445 Grams (15.05 oz)
Outside Diameter 59.8 mm (2.35 in)
Shaft Diameter 5.98 mm (0.24 in)
Body Length 51.0 mm (2.0 in)
Overall Shaft Length 84.6 mm (3.35 in)
Max Lipo Cell 12s
Peak Current 120A (5 seconds)
Peal Power 5320 Watts (5 seconds)