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  Item found in the following categories;
> Speed Controllers > All Speed Controllers
> Speed Controllers > HobbyKing ESC
> Speed Controllers > 40 to 79 Amp

  RATED:

Hobbyking SS Series 40-50A ESC (Opto only) (US Warehouse)

Hobbyking SS Series 40-50A ESC (Opto only)  (US Warehouse)

The Hobbyking SS series comes with a limited range of programming functions and are designed to be plug-n-play.
A perfect ESC for those looking for something simple to use and economic.

Please note you require a seperate receiver power supply.


Spec.
Weight: 39g
Cells: 2-4S
Max Current: 40A
Burst: 50A
BEC: None (Opto Only)
 
User Programming options:
Battery setting
Throttle Range
Brake setting 4 options: Direction and Cutoff Type
Timing Mode Setting: 1 / 7 / 15 / 30
PWM setting: 8K/16K


PRODUCT ID: HK-SS50A


Weight: 65g Quantity: 
United States Warehouse
stock
10+
International Warehouse In Stock View Item
Price $11.70

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 Customer rated
312
crowns
  
 
Total of 29 discussions.
max  4 points - 2/13/2014
 
this poorly described.the esoteric BEC: Opto Only should be underlined or highlighted for noobs. or better still NEEDS BEC
Frank R  9 points - 9/21/2013
 
I bought two of these for a twin engine project... BOTH are ****! Don't waste your time or money, HK won't take them back, of course! Stick to Turnigy or better quality for ESC's.
 Jon 15 points
Hey Frank the problem you are having with this esc is it has no bec like many other high power escs. You need to wire up a bec to power your receiver, servos and escs. Then you will be able to use these escs. Sorry you are having trouble.
Anthony  10 points - 9/4/2013
 
CAN THIS BE USED WITH QUADCOPTERS
 john50049 141 points
Yes this would work on quadcopters with no problem. If you are building a quad that needs an ESC this big.
 Frank R 9 points
Don't waste your money... I've purchased two of these and a couple other HK's and all are worthless. OF course, they won't take them back! Turnigy for the money is the way to go.
 john50049 141 points
I have never had any problems with these ESC's. I us a external BEC with them and I love them. I have never wasted my money using these. So IMO they are good ESC's.
 RonRC 3588 points
Anthony, I plan to get some of these for my new hex with the D4023 850kv motors to run on 4S. However, I plan to flash all of them with SimonK before using them. Here is my fixed boom hex and I'm making another with the same motors but it will be a collapsible hexcopter.
 Frank R 9 points
I've been flying 40 yrs, I use becs all the time. I got two of these that the cover was melted to the chip, thats how they came...totally useless.
 Frank R 9 points
I've learned when it comes to my electronics for my planes, I won't buy cheap, unreliable ****k.
ziipper  8 points - 7/24/2013
 
Can this ESC be used without a programming card.
 john50049 141 points
Yes it can.
BEST ANSWER CREDIT AWARDED
ibrahim  11 points - 7/5/2013
 
i have this esc but i havent got any ubec. what is ubec? must i use an ubec? i connected with my receiever* my brussless motor,esc and lipo but they didnt work,because of ubec?
 majik01 6330 points
These ESC's are opto meaning they will not supply the voltage needed to power your receiver or servos. You need to get a separate UBEC which will provide the power. Connect the UBEC output to a spare receiver channel or wire the power (center wire) to the center wire for the ESC servo connector using a JST connector so the UBEC can be removed as needed.
 john50049 141 points
I used a servo extender to wire the BEC to the power that way when I disconnect the battery I can disconnect the BEC also. I am using these BEC's right now on a build I am doing. I am building a DC-3 which of course has 2 motors and 2 of these BEC's.
 john50049 141 points
I mean it has 2 of these ESC's and one BEC.
Customer Reviews
Overall Rating
Flyer929
224 likes
Value
Quality
Like it?
US Warehouse shipped it quick. It works OK right off but it works even better once programmed (simple). See the same item at the International Warehouse for the manual and programming instructions under "Files". Need a separate BEC to power the receiver & servos. I prefer having a separate BEC, it allows the use of more servos or more powerful servos that may require higher current drain with less chance of a receiver "brown out" and crash. Come on HK, Support items like BEC's really should be stocked at the USA Warehouse, I hated having to wait for a BEC from the International warehouse so I made my own. Robert


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Overall Rating
NightFlyerUSA
7 likes
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Quality
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THIS PIECE OF CRAP DOES NOT WORK OUT OF THE PACKAGE AND THERE IS NO FRIGGEN INSTRUCTIONS, PIECE OF CRAP.


3 comments. Reply..

Overall Rating
NightFlyerUSA
7 likes
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oh, i just found out from my local hobby shop, that this thing REQUIRES a friggen BEC.... oh just lovely... they list it as plug-n-play, but in the fine print, my local shop says opto=BEC means that it is optically isolated so no BEC and thus you need a BEC, just lovely.... plane is all ready to fly, but hobby king poor specs now have me jammed up....


6 comments. Reply..

Overall Rating
ChainDriveRail
6 likes
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This ESC has NO BEC. It will NOT power your RX or servos. You WILL have to have another battery or voltage reg to use it and being so small, weight will usually prohibit another battery and using a voltage reg with it is senseless too. If it was >100A I would understand it not having a BEC. I personally can't think of anything it is good for. Defiantly look for a ESC with BEC in this ampere range for 99 of hobby applications. Where it says "BEC: opto only" it should say NONE.


3 comments. Reply..

Overall Rating
Didier
7 likes
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Quality
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I purchased this ESC for a powered glider. Running on at 1200kv motor 8x4 prop pulling 28 amps at WOT. It lasted about 2 minutes and then my motor locked in at 1/2 throttle. I am lucky it has no BEC as I would not have a plane right now. This was my first and last HK esc. Stay clear of this one.


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