AC 28/20-7 Mk2 - MPJ 20201



TECHNICAL SPECIFICATION


  • three-phase AC synchro motor
  • with external rotor
  • 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 shaft
  • parts produced on CNC machines
  • recommended for the direct drive of the propeller
  • high quality MP JET connectors 2,5 mm dia
  • it is possible to buy conversion set for reversing mounting
  • in case of reverse mounting the motor is fastened by four rubber silent-blocks

The packet of electromotor contains: 3 pcs of connectors (type F), 3 pcs shrinking isolations
Recommend ESC: three-phase, sensorless (with EMF detection version), suitable version 40 Amps, 30 Amps partially.



Number of cells
6-10
RPM per Volt
950
Maximum recommend speed (min-1)
12000
Maximum speed (min-1)
14000
Maximum efficiency (%)
approx. 81
Current of maximum efficiency (A)
10-25
Short time currrent (A)
40
Internal resistance Ri ; (mW - miliohm)
34
Dimensions - diameter/length (mm)
36,5/48
Shaft diameter (mm)
5
Number of turns
7
Weight of drive unit (g)
170
Recommend propeller range
APC 9/5 - 14/5
Maximum weight of glider (g)
2000
Maximum weight of acrobatic model (g)
1500

Instruction Manual