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GraysonHobby 20Amp Brushless Speed Controller (ESC)



Availability: In stock

Regular Price: $18.95

Special Price $10.99


Quick Overview

20 Amp Brushless Speed Controller - Airplane Edition

20 Amp Brushless Speed Controller - Airplane Edition

Speed Controller Features:
  • Up to 20 Amp continuous current with proper air flow, 30Amp peak
  • 2-3S Li-Po¬†
  • Auto Timing
  • Auto Throttle Calibration
  • Auto Cell Detect
  • Programmable motor braking
  • Switching Rate: 8khz
  • Safe power-arm mode prevents accidental starts
  • Auto Program low voltage cutoff with settings for 2-cell Li-Po (6V), 3-cell Lipo (9V) 70% of battery starting voltage
  • Auto motor shut down if signal is lost or there is interference
  • 14 AWG on the battery input and on motor output leads
  • 1 year Grayson Hobby warranty


Speed Controller Specifications:
Brake: Yes - Programmable
Continuous Maximum Current: 20A with reasonable cooling
Maximum Burst Current 30A <30 sec with cooling
Input Voltage: 7.2V - 11.1V (2s - 3s)
Output Wire 14AWG
Length: 1.25 in (32mm)
Width: 0.94 in (24mm)
Height: 0.31 in (8mm)
Weight: 0.77 oz (21.9g)
Internal BEC 3A - Linear
Suggested Servos 2 Li-Poly=4 servos, 3 Li-Poly =3 servos

Grayson Hobby Manuals & Directions

Customer Reviews

Review by Joseph Blas
Not sure what's going on with these esc's but the one I've bought recently having been crapping out on me and a couple other flyers! The older ones I bought are still going strong but for some reason the newer ones are crapping out this is to include the newer 30' & 50 amp esc from grayson! We use these grayson set ups for our pop wings and fun jets which is a great match but we end swapping out the esc's later cause they'll stop working for some reason! (Posted on 3/20/2014)

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