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GraysonHobby 40Amp Brushless Speed Controller (ESC)



Availability: Out of stock

Regular Price: $23.99

Special Price $14.99

Quick Overview

40Amp Brushless Speed Controller - Airplane Brushless ESC

40 Amp Brushless Speed Controller - Airplane Edition

Speed Controller Features:
  • Up to 40 Amp continuous current with proper air flow, 45Amp 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: 40A with reasonable cooling
Maximum Burst Current 45A <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

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Customer Reviews

Review by Randall Mitchell
This ESC does it's job and does not seem to get hot...a solid purchase! (Posted on 2/2/2015)

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