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> Speed Controllers > All Speed Controllers
> 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
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Price  $11.65

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good will be available within 30 days
 Customer rated
Total of 167 discussions.
RishikeshSampat  2 points - 2/24/2015
does anyone know how to modify the simonk files for atmega48??
LECOCQ  1 points - 2/13/2015
hello. I have received my controller but no manual as it is registered with the description. J have received two other controllers red brick and no manual either. Can we download them ??
 Emeraldboy 7 points
Click on the 'Files' tab on this page. Several versions are available to download
stephen  1 points - 2/5/2015
where is the manual for the red brick 50a esc
handyjap  648 points - 1/29/2015
I know the specs say 2S~3S but have anybody tested this with 4S?
Grezoo  5 points - 10/25/2014
The atmel 8 is ok, but atmel 48 IC is NOK... Waiting for your issue., or hex file Hobbyking....
 RonRC 4061 points
Hi Grezoo, I reflash all Red Brick with SimonK. Even the ones for fixed wing. The seem to run way better after that. Only problem is with fixed wing, you either need to put a low voltage buzzer, blue LEDs, or know when to land when the plane slows down. All the best and Happy flying!
 RonRC 4061 points
Here is some video from the plane this ESC is in. You can hear how smooth it works with SimonK.
 Grezoo 5 points
Thank You! But.... my Redbrick is fly to recycler.... :-)) God work.. The new red brick supported Simonk? or SimonK supported is Atmel 48? New fimware? Because Simonk is supported red brick 50!!! but not supported (anno) Atmel atmega 48 build esc...
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.

7 comments. 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.

6 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)

5 comments. Reply.. here to see all reviews
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