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> Speed Controllers > 40 to 79 Amp


HobbyKing Red Brick 50A ESC

HobbyKing Red Brick 50A ESC

The HobbyKing Red Brick ESCs wont win first place for style, though they will take top points for simplicity and reliability. With a basic set of programming features these ESCs are a perfect solution for anyone looking for a basic yet robust speed controller.

Max Amps: 50A
Ubec: 5v / 3A
Cells: 2~3s Lipoly
Size: 47mm x 9mm x 33mm
Weight: 29g (Inc Wires)

User manual included.


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Weight: 39g Quantity: 
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 Customer rated
Total of 147 discussions.
Anton  39 points - 4/15/2014
Santoso  2 points - 4/2/2014
Can anybody tells me how to flash this ESC using SimonK Firmware...? Because the old products using atmega 8 and currently belongs to me using atmega 48.. I've been try to reflash it but always appear SCK failure..
 RonRC 3229 points
Santoso, I've been using the atmega socket tool sold here. it works great plugged into the usbasp device and downloading the firmware through he KKmulticopter flash tool. Hope this helps and Happy flying!
Héric  4 points - 3/23/2014
Trash ESC... I Never buy this Redbrick My esc dont function in low rotarion and shake motor.
 FERNANDO 3 points
Klaus  1 points - 3/20/2014
how do I recalibrate this?
 feijao 2 points
Try to pull up trhotle stick and then connect battery wait 5 secund ,pull down trhotle stick and move up again a litle bit .confirm the function.
RonRC  3229 points - 2/26/2014
I flashed mine with SimonK to use on multirotor aircraft. I needed one for my F-22 pusher prop so I used one of the extras I have. It did fine and then I flashed it too with SimonK. It did Great then. More power but when the plane starts to slow, you need to land or risk over drawing your battery. There is no battery protection with SimonK but I tend to land anyway when my power starts to diminish. With this setup, my plane takes to the sky very fast.
Customer Reviews
Overall Rating
10 thumbs up!
I bought this esc after downloading the manual from the Files section and making sure it has the Brake function required for my Sailplane. 1- The manual that comes with the ESC is completely different from the downloaded manual: only 3 programming options versus the extended option fron the downloaded manual 2- The manual specifies 3 time beep per option. The Esc only has 2 time beep per option. 3- The manual shows how to change the Brake (third and last option). There is NO BRAKE. 4- I now have doubt whether the Battery selection option 2 for LiPo is working. I won't risk a fire is this option is not activated as per my programming as in the Brake option In conclusion: misrepresentation of product. Value is bad since Price Shipping $ and it cannot be used.

1 comment. Reply..

Overall Rating
8 thumbs up!
Tried this one this yesterday: very deceiving. I measured 44 amps at home and during the flight, after a while, the engine stops with a noise. Lowering throttle to minimum then back to original position the engine restarts, but this is not healthy. I have been borrowed today a HK 40/50 Amps without BEC and it worked fine in the same conditions.

I checked the programming option to be 200pcnt sure : very simplified. Only 3 choices : NimH, Lipo and Break. The provided owner's manual was not so clear but fits the ESC possibilites.

I did not check user's reviews before purchasing, I should have.. Only 10 USD, but for me 10 USD thrown away...

7 comments. Reply..

Overall Rating
Flying Goat
7 thumbs up!
Can't give this zero score, if I could I would. Connected it up servo worked OK but motor would not turn..... Tested the motor with another ESC so my red brick ESC is duff. As like others mention on here not worth the postage to return.... but I'd steer well clear of these in future.

5 comments. Reply..

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Overall Rating
6 thumbs up!
Very fast delivery to Austria (11 days), but: like other people have written already this is a faulty esc. In my case it never operated, only three beeps in the beginning. I have a lot of esc, the turnigy (plush) esc are the better choice. Not worth the postage to return.

3 comments. Reply..

Overall Rating
6 thumbs up!
Bought it as a spare for my main Turnigy Trust 55A. It stopped working after a couple of flights whereas the Turnigy is working non-stop. I won't be buying any more Red Bricks, I should have supposed why it had such a large heatsink > bad design (or I got a faulty one)

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