AC 28/7-30 D Mk2 - MPJ 20203
TECHNICAL SPECIFICATION
MPJ 20203
  • three-phase AC brushless motor
  • with external rotor
  • recommended for the direct drive of the propeller
  • coated magnets made on FeNdB basis
  • winding impregnated high-temperature epoxy resin
  • dual ball bearing with long life grease
  • high speed ball bearing
  • heat treated 3 mm dia shaft
  • parts produced on CNC machines
  • possibility to use the flexible propeller mount
  • version Mk2 make easy exchange of damaged parts
  • recommended connectors MP JET 2,5 mm size (MPJ 21021)
  • possibility to use the motor mount in two position
The packet of electromotor contains: motor mount, 3 pcs of Pan Head screws.
Recommend ESC: three-phase, sensorless (with EMF detection version), suitable version 18A.

Notice: for 3 LiPol cells is necessary control the motor temperature and the current. Do not use the cells with bigger capacity than 2000 mAh.

Number of cells
6-9 or 2-3xLiPol
RPM per Volt (Kv)
1100
Maximum recommend speed (min-1)
12000
Maximum speed (min-1)
15000
Maximum efficiency (%)
approx. 80
Current for maximum efficiency (A)
to 15
Short time current (A)
20
Internal resistance Ri ; (mW - miliohm)
80
Dimensions - diameter/length/length with shaft (mm)
35,5/35/43
Shaft diameter (mm)
3
Number of turns
30
Weight of electromotor (g)
58,5
Recommend propeller range
APC 7/3 - 9/6 (10/4,7)
Maximum weight of glider (g)
750
Maximum weight of acrobatic model (g)
500

Instruction manual