RC 4890 Gear Box Inrunner Brushless Motor & R/C 30A ESC Speed Controller CA054

USD26.7USD32.9 (-19%)

Out of stock

RC 4890 Gear Box Inrunner Brushless Motor & R/C 30A ESC Speed Controller CA054

SKU: CA054 Category:

Motor Specifications

  • Rotational Speed: 4890 RPM/V
  • Continuous Current: 20A
  • Max. Current: 25A
  • Input Voltage: 6 – 18V
  • Max. Efficiency: 98%
  • No Load Current: 0.8A
  • Internal Resistance: 86m ohm
  • Motor Dimensions (Diameter x Length): 20mm x 39mm
  • Shaft Dimensions (Diameter x Length): 2.3mm x 10mm
  • Input Battery Types: NiCd/ Nimh/ Li-po Battery
  • Recommend Model: Airplane

Gear Box Specifications

  • Material: Streel and Plastic
  • Main Rotor Gear: 30 Teeth
  • Motor Gear: 10, 12 and 14 Teeth
  • Gear Rate (Main Gear : Motor Gear): 3:1 , 1:2.14 , 2.5:1
  • Recommend Model: Airplane

ESC Specifications

  • Dimensions: 51mm x 24mm x 8.3mm
  • Sustaining Input Voltage: 6 – 18V
  • BEC Output Current: 5V/3A
  • Continuous Output Current: 30A
  • Max. Output Current: 40A/12s
  • Internal Resistance: 0.0021m ohm
  • Cable Type: 16 AWG (Battery & Motor)
  • Cable Length: 72mm (Battery), 72mm (Motor), 190mm (Receiver)
  • Input Battery Types: NiCd/ Nimh/ Li-po Battery
  • Recommend Model: Helicopter / Airplane

ESC Features

  • Auto set Low-Voltage Cutoff function
  • Low resistence
  • High rate PWM
  • User programmable brake
  • Low voltage auto setting based on battery
  • Throttle range self-adjusting
  • Soft start ramp up
  • Runs motor in forward or reverse
  • Auto motor cutoff with reset
  • Safe power arming program ensures motor will not run accidentally after turn on
  • Low torque start
  • Auto shut down when signal is lost

Package Included

  • 1 x 4890 Gear Box Burshless Motor (with accessories & English Manual)
  • 1 x RC Smart 30A Brushless ESC (with accessories & English Manual)


RC Model

Additional information

Weight168 g
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  1. by darren19680

    very happy thanks

  2. by nn52ru

    Great seller, fast shipping, goods are well packed! Recommended! +++++

  3. by onlyjust

    excellent service thank you

  4. by dillydallydan

    Good Item, Good price, fast FREE shipping. All GOOD!

  5. by shuser11

    You service the best!!! Thank you,good luck!!!

  6. by adilson.adilson

    good seller, sent really fast.

  7. by chappo21

    quick delivery

  8. by arbethnott

    first class transaction, easy to deal with 10/10 Thanks

  9. by gexx2012

    Very good product, many thanks. Good Communication.

  10. by pabloymay


  11. by slootje102


  12. by phlypast

    excellent value and fantastic postal service thanks. roy.

  13. by andreyka11


  14. by ady3410_2008

    good seller,smooth transaction

  15. by piranha1984

    Great Price fast delivery thanks

  16. by rcbanditbill

    Product looks great and works perfect, delivery was on time, thankyou

  17. by swindya

    Good shape. Shipping is OK

  18. by jade1602

    first class as always

  19. by sad31108

    very good service

  20. by gerzogbatman

    Excellent!!!! Super!!!

  21. by 5780russ

    Thank you for a smoooth transaction 5 STARS***** ALL THE WAY!

  22. by tan2x11


  23. by d0pplershift

    Great! Thanks very much.

  24. by 2010janot

    good transaction RCECHO @+++++++

  25. by arnaud06251

    Tres bon vendeur

  26. by sailngdrms455

    shipped quickly, great value A+++++

  27. by stanairman

    good deal

  28. by mbg-nw”>sailngdrms455</span></a> <span class="

    Positive feedback rating”>

    shipped quickly, great value A+++++

    by mbg-nw”>stanairman</span></a> <span class="

    Positive feedback rating”>

    good deal

    by speedy1compton09

    Smoking fast service. Item as described.

  29. by mbg-nw”>speedy1compton09</span></a> <span class="

    Positive feedback rating”>

    Smoking fast service. Item as described.

    by s***e</span> <span class="

    Great combo, arrived sooner than expected. 5 Star +++++

  30. by b***w</span> <span class="


  31. by i***t</span> <span class="

    item arrived quickly

  32. by j***n</span> <span class="

    Everything was perfect. Great RCECHO A++++++

  33. by c***p


  34. by r***2

    Good seller. Good transaction. No problems of any sort.

  35. by m***e

    alles wunderbar gerne wieder

  36. by t***m

    Great item, fast delivery. Thanks! 10/10

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