Parawatt motor Public price 2400 euros + shipping Type : Brushless Outrunner, permanent magnets, star or delta windings Internal Resistances @ 20°C Delta Rm = 0.00569 ohm (A,B1) (B,C1)(C,A1) Star Rm = 0.01707 ohm A B C (A1,B1,C1 connected) Choice of two Kv Delta Kv = 58-60 rpm/V Star Kv = 33.3-34 rpm/V No load currents (warmed motor @ about 50°C) Delta Io ~ 7.44 A @ 20 V Io ~ 9.4 A @ 30 V Io ~ 10.0 A @ 40 V Peakeff about 92% Max current Delta : 300 A Star 170A Continuous Power : 15 kW with correct airflow cooling Max Power : Delta : 20 kW (burst one minute)

Parawatt BLDC motor Weight around 7.45 kg Outer Diameter (rotor) 151 mm Shaft Diameter 30 mm (hollow shaft, passage about 20 mm) Extremely robust two ball bearings, double ball raws each Length about 150 mm Stator Fixing : 4x M8 on circle 100 mm Prop Fixing Direct Drive on the rotor: 6x M8 on circle 75 mm 6x M6 on circle 60 mm (common with 4x M6 on circle 60 mm) 6x M6 on circle 50 mm Prop centering removable piece

Temp. sensors holes (4) are on 72mm circle Parawatt motor DM12k

Parawatt motor DM12k ePPG tested application , Delta connecting BL Controler 250A (400A peak), 63V Propeller 130 cm Examples on Battery 50V (13S LiPo) 1) Helix H25F-130-RS-6-2 2600 rpm thrust 50kgf Typical flight duration 30 minutes without thermics (record Basse Ham 2010 42 minutes « eco flight») 2) Helix H25F-130-RS-8-2 2600 rpm thrust 56kgf Connecting * Delta : join and excite (A yell-B1 black) (B white-C1 green) (C blue-A1 red) or (A-C1) (B-A1) (C-B1) Interchange 2 phases for reversing revolution sense

Parawatt motor DM12k ULM application , Star connecting BL Controler 16-18S, 250A (400A peak), 100V Propeller 165 cm Example on Battery 60V (16S LiPo) 200A Rotation speed 1800 rpm thrust 90kgf Connecting * Star : join (A1-B1-C1 red-black-green), excite A, B et C(yellow-white-blue) or (A-B-C), excite A1, B1, C1 Interchange 2 phases for reversing revolution sense