Data Sheet

————————————————————————————————————————————————————————————————————————————

BDK RACE ENGINEERING

SIZE CONSTANTS **

Parameter Symbol Unit VALUE

Maximum Rated Torque Tr ozin 332.342

Nm 2.347

Maximum Continuous Stall Torque Tc ozin 90.140

@Temperature Rise 100.000 °C Nm 0.637

Motor Constant Km ozin/sqrt.w 16.437

Nm/sqrt.w 0.116

Electrical Time Constant Te msec 1.850

Mechanical Time Constant Tm msec 3.748

Angular Acceleration (theoretical) rad/sec² 45580.548

Thermal Resistance * TPR °C/watts 2.400

Maximum Cogging Torque Tf ozin 3.000

Nm 0.021

Viscous Damping Fi ozin/rpm 1.575E-04

(Infinite Source Impedance) Nm/rpm 1.112E-06

Hysteresis Drag Torque Th ozin 0.670

Nm 4.730E-03

Rotor Inertia Frameless Jm ozins2 7.151E-03

kg.m2 5.050E-05

Motor Weight Frameless Wt oz 19.262

kg 0.546

Rotor Inertia Housed Jm ozins2 7.291E-03

kg.m2 5.149E-05

Motor Weight Housed Wt oz 52.542

kg 1.490

No. of Poles P 6

* TPR Assumes motor mounted to aluminium heat sink

10.000 10.000 0.250 inches (Still air)

** @ Ambient Temperature , 25.000°C

PC-BDC 6.5 for Windows Copyright SPEED Laboratory. 5/6/2005

BDK RACE ENGINEERING

Winding Constants *

Parameter Symbol Unit VALUE

Design Voltage Vp volt 40.000

Peak Torque,+/-25% Tp ozin 332.342

Nm 2.347

Peak Current,+/-15% Ip amps LIMIT 48.294

Torque Sensitivity +/-10% Kt ozin/amp 6.882

Nm/Amp 0.049

No Load Speed Snl rpm 7285.125

rad/sec 762.896

Voltage Constant +/-10% Kb v/Krpm 5.089

v/rad/sec 0.049

Terminal Resistance +/-12% Rm ohms 0.175

Terminal Inductance +/-30% Lm mH 0.324

* Performance @ 25.000°C

RMS TORQUE PERFORMANCE

Design Voltage Vp volt 40.000

Continuous Power Output @ Power watt 37.708

Horsepower 0.051

Temperature Rise: 27.844°C Torque ozin 6.374

COOLING : Nm 0.045

{Still air} Speed rpm 8000.000

Ambient temperature 25.000°C Iphase amperes 3.000

I(dc-link) amperes 1.233

Efficiency % 76.472

Continuous Power Output @ Power watt 266.305

Horsepower 0.357

Temperature Rise: 55.099°C Torque ozin 36.012

COOLING : Nm 0.254

{Still air} Speed rpm 10000.000

Ambient temperature 25.000°C Iphase amperes 6.000

I(dc-link) amperes 3.616

Efficiency % 92.063

Continuous Power Output @ Power watt 479.041

Horsepower 0.642

Temperature Rise: 101.446°C Torque ozin 43.187

COOLING : Nm 0.305

{Still air} Speed rpm 15000.000

Ambient temperature 25.000°C Iphase amperes 7.500

I(dc-link) amperes 4.344

Efficiency % 91.892

PC-BDC 6.5 for Windows Copyright SPEED Laboratory. 5/6/2005

BDK RACE ENGINEERING

UNHOUSED MECHANICAL

Stator Stack OD 3.200 inch 81.280 mm

Stator Stack Length (UNmachined) 0.550 inch 13.970 mm

Stator Stack Length (Machined) 0.525 inch 13.335 mm

No.Of Stator Laminations

Lamination Thickness inch mm

Lamination Material

Stator ID 1.830

No. Of Phases 3

Phase Connection WYE

Parallel path 1

Turns/Coil

Wire gage (AWG)

No.Of Wires In Hand 4

Copper Weight 4.470 oz 0.127 kg

Length Over Coil (Maximum) 1.000 inch 25.400 mm

End Turns OD (Maximum) 2.930 inch 74.422 mm

End Turns ID (Maximum) 1.880 inch 47.752 mm

Lead Wire Gage 16 AWG

Lead Wire Length 12.000 inch 304.800 mm

ROTOR OD 1.740 inch 44.196 mm

HUB OD ACROSS FLAT 1.520 inch 38.608 mm

Rotor ID 1.181 inch 30.000 mm

Rotor Axial Length "B" 0.750 inch 19.050 mm

Magnet Type

Magnet Length 0.720 inch 18.288 mm

Magnet Width 0.670 inch 17.020 mm

Magnet Thickness 0.110 inch 2.794 mm

Magnet Weight 0.184 oz 5.217E-03 kg

No. Of Poles 6

HOUSED : MOTOR COOLING : (Still air)

Motor Length 2.785 inch 70.739 mm

Motor OD 3.420 inch 86.868 mm

Shaft OD 0.500 inch 12.700 mm

Shaft Length (Total) 4.700 inch 119.380 mm