brushless motors LiPo batteries electronic speed controllers inrunner Motors outrunner motors HiTEC Futaba Transmitters and Receivers servos

4-Max
The Fixed Wing
Electric Flight Specialists

Est. 2007

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Tel: 01256 782 512
 
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4M-HESC50AV2
50A ESC (Brushless Electronic Speed Controller)


4Max

4M-HESC50AV2
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4-Max

ProgCard
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Specifications

Constant Current 50A
Burst Current 70A for 10 Seconds
Input Voltage Range 3-4 LiPo (9 - 16.8V DC)
BEC Voltage Range 3-4 LiPo (9 - 16.8V DC)
BEC Output 5V DC @ 5A Switch Mode
Weight (g) 41g (includes all wires and connectors)
Size (mm) 74mm x 25mm x 8mm (includes heatshrink)
Connectors supplied 3.5mm on motor side, XT60 on battery side (fitted)
Input Wires 14AWG, 85mm, +/- 10mm
Output Wires 16AWG, 75mm, +/- 10mm
Signal Wires 275mm +/- 10mm
Programming LED Programming Box or Transmitter


Features & Settings

  • Easy setting, easy operation using programming card.
  • Safe start-up system. The motor will not start no matter which position the throttle stick is when the battery is connected. Throttle stick must be brought to zero before ESC is armed.
  • Automatic power cut-off. If the motor suddenly stops rotating or the radio signal is lost for more than 3 seconds, the power will automatically be cut off.
  • BEC provides power to receiver and servos (for ESC with BEC).
  • Over-heat protection. 110 °C
  • Over-voltage protection.
  • Battery Type (Li-xx, Ni-xx)
  • Start Mode (Normal, Soft, Very Soft) We recommend setting to Soft or Very Soft for EDF and models with folding propellers.
  • Low-voltage cut-off: Low (2.85V), Middle (3.15V), High (3.3V) We recommend changing to 2.85V for multi motored, EDF and other high powered models.
  • Timing (Low, Middle, High) We recommend changing to high for Outrunner motors
  • Break (On, Off) Set to On for models with Folding Propellers
  • Cut off (Soft, Hard)
  • Reversable motor direction

The yellow wire can be used for 2 things

  1. To program the ESC using the programming box.
  2. If plugged into a spare switched channel on your receiver, it can be use to reverse the motor to give reverse thrust making landings shorter. If you don't want this feature then don't plug it in.

 


VERY IMPORTANT

Please follow this one time setup procedure for your
4-Max 4M HESC series of ESC's

Before turning on your transmitter, make sure the settings within your transmitter are set to the following parameters for the throttle channel.

  • On Futaba transmitters set the servo to "reverse", all other makes of transmitters it should be set to "normal"
  • Set Servo travel (ATV) +100% for full throttle and -100% for zero throttle,
    No more, no less.
  • Internal subtrim and external trim are set to zero, middle or neutral
  • If a throttle cut switch is enabled make sure it is set to -100%. No more, no less.

Once the above has been checked and changed if necessary, please complete the following steps

  • Remove the propeller for safety
  • Turn on your transmitter
  • Move throttle stick to full throttle
  • Connect battery to ESC and wait approx. 2 seconds
  • IMMEDIATELY after hearing "Beep, Beep" pull the throttle stick to the zero throttle position.
  • You should then hear a series of "Beeps" that indicate the number of cells in the pack that is attached to the ESC.
  • You will then hear a long "Beep" which indicates that the throttle stick is in the lowest position and that the ESC is ready to be used.
  • Remove battery and re-install the propeller.

The above procedure teaches the ESC what is the maximum and the minimum throttle positions and five a better throttle response over the throttle range. This procedure only needs to be completed once unless you change either the transmitter or receiver.

IF YOU WISH TO POWER YOUR RECEIVER AND SERVOS USING A 2S LiPo OR A 2S Li-ion BATTERY PLEASE CONTACT US FOR ADVISE ON HOW TO DO THIS.

Part Number Description Price Qty
4M-HESC50AV2 50A Brushless Electronic Speed controller £45.95
4MHV2-PROGBOX Programming Box for
4M-HESC V2 Speed controllers
£11.99
How to wire up a UBEC

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