XR20/120 pages
XR20/12
50 Nm
25 Nm
1.2 Kw
450 rpm (36v)
Motor
Constants
Symbol
Unit
Value
Motor
Ratings
Unit
Value
Voltage
Ke
V/krpm
47.7
Voltage
Volts
36
Torque
Kt
Ncm/Amp
0.44
Current
Amps
48
RL-L
Ohm
0.74
Torque
Nm
25
LL-L
mH
0.54
Speed
RPM
450
Power
Watts
1200
XR20/12
Peak Torque
Cont. Torque
Cont. Power
Speed
The Printed Motor Works XR20/12 brushless DC hub motor is
specially designed to withstand water ingress and has a
pressure relief system to allow for the thermal expansion of the
pressure compensating internal oil. The unit is designed to have
a propeller attached to the motor hub and direct drive the craft.
The system is totally gearless, and is totally submersible to
10m*.
Line-Line
Resistance
Line-Line
Inductance
General Benefits
•
•
•
•
•
•
Efficient electric drive system
No losses through inefficient gears
Compact package
Design flexibility for system designer
Winding design flexibility (Speed & Voltage)
Totally submersible
* Customer test
+44 (0) 1420 594 140
sales@printedmotorworks.com
Newman Lane, Alton
Hampshire GU34 2QW, UK
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