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Old May 16, 2015, 01:12 PM
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New HV 200A+ Hobbyking ESC

Hi all,

It's been in the works for a while but it seems like finally production may commence on this ESC. See my blog for more info on the start of this project.

Currently the ESC has George Shering's wonderfull F5B firmware on it, but it has also been run with Simon K's Multicopter firmware. The idea is to make it available as an open source firmware ESC. People can adjust the firmware as they see fit. It should be good for anything from boats to EDF, helicopters and giant multicopters. It also has I2C input for ultrafast responce.

On the hardware side, we have some pretty powerfull componants that will take all the abuse you care to dish out. It will work on old high amp 6S setups as well as the new modern 10S setups. It should even be possible to go extreme for fun flying and have high amp 10S setups using bigger cell capacity. It will work down to 4S and the max burst amp rating has yet to be determined. It's not gone on fire yet.



The physical size is very similar to that of the HK200 that most of us know and love as a cheap entry level unit. It fits no problem in a slim fuselage glider like the Avionik B12 without the heatsink. And yes, it has anti spark via a small red wire on the positive battery side.

There should be a couple of different variants but the full version should retail at around 100 USD.



The question, what should we name it? Keep in mind this ESC should attract attention from all types of modellers as to get the sales up and keep the price low. If you where looking on the Hobbyking website, what would you seach for? Would it fit in with any of their excisting brands? A new brand name perhaps? Any suggestions welcome.

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Old May 16, 2015, 01:48 PM
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Needs to do 52 legs !!
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Here it is with the heat sink removed and taped up in Kapton ready to go.

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Old May 16, 2015, 02:50 PM
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Alpha....
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Old May 16, 2015, 04:01 PM
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Quote:
Originally Posted by jjmouris View Post
... and the max burst amp rating has yet to be determined. It's not gone on fire yet.


Beta! More testing required?
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Old May 16, 2015, 05:00 PM
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Looks like is made by the same people as YEP/YGE
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Old May 17, 2015, 04:57 AM
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Nice!

Whats the weight and which MosFETs do you use?
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Old May 17, 2015, 08:42 AM
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Needs to do 52 legs !!
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Originally Posted by ApexAero View Post
Looks like is made by the same people as YEP/YGE
And your car looks like it is made by McDonalds.

There isn't that much testing left to do. I have been flying them for some time now. The ESC will work provided the firmware is able to deal with the motor that is attached. I have tried various brands and types of F5B/Hotliner motors and similar to Simon K's firmware it doesn't seem to matter to much what you hook up to it. In the odd case we can adjust the firmware to suit the motor you are using. It is advised to connect up lower voltage and do some dry runs on the bench. To be fair the first prototype only had 48 mosfets and it seemed to be more then happy with the abuse i gave it. The key here is that the tracks are very short between the mosfet gates and the drivers. Each mosfet also has it's own resistor. I have flown a fair few UK F5B league flights with this as well as the full 60 mosfet unit.

The mosfets and drivers are FDMS86500L and NCP5106BDR2G respectively.

https://www.fairchildsemi.com/datash...FDMS86500L.pdf

The full 60 mosfet unit with 5x 6mm bullets comes in at ~140 grams depending on how long you leave the 10 AWG wires.

Depending on what capacitors get fitted on the production run the maximum operating voltage could be as high as 60V making it possible to run up to 14S Lipo. However you will be the beta tester in this case as for F5B currently 10S is the maximum and i don't fly higher voltage setups.

What about the name?

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Old May 17, 2015, 09:25 AM
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Quote:
what about the name?
jos-200-hv

jm-200-hv
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Old May 17, 2015, 09:26 AM
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Stingray, sounds nice. Clarkson, but then you get into trouble.
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Old May 17, 2015, 09:38 AM
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Needs to do 52 legs !!
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Stingray, sounds nice. Clarkson, but then you get into trouble.
Made me chuckle, but it's not rediculasly big and noisy or meant for cars.

We need something fitting but catchy like that tho.

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Old May 17, 2015, 09:42 AM
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Its a Mc Dodge! Like the specs!
How long before they are available?
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Old May 17, 2015, 10:47 AM
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I hope you come up with a name soon, but in the meantime, how do I obtain one? And, can I purchase it with "George's" firmware already installed?
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Old May 17, 2015, 02:31 PM
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Very good news Jo.

Hmmm....names not so easy.. here are some ..

I think it must be something neutral or complete different or something which is a synonym for power/eletronic or mix of 2 words.....something like that...


- Black Knight 200 hv
- Black Mamba
- Digger
-Black Digger
-Grave Digger
-Powertron
-Newtron
- Black Power
- Knighttron
-Blacktron
- Best Mate
- Man's Man
- black dude
- Tomahoc

and maybe something which the heat sink looks like

- Buzz Cut (:-)
- hedgehog
- Spike
- Black spike
- Spiketron
- porkupine
- black porkupine
- .......

with something like that you can also create easy your own logo...

General it can be a problem if you use a name which already rights saved...
Or the meaning of the word in a different country is not very positiv...
So this should be checked also.

Jo if you want, I know somebody which is a professional name creater. Its not me but a friend of mine.


Cheers
Hubert


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Old May 17, 2015, 05:09 PM
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Needs to do 52 legs !!
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Originally Posted by hubbse View Post
Jo if you want, I know somebody which is a professional name creater. Its not me but a friend of mine.


Well thinking about the Kontronik Kosmik, the type of use we initially intended and your list the name that comes to mind is Pulsar. I don't know about copyright but I don't know of any big brands using that name for an ESC. The name would be for the range, not just one ESC.

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Old May 17, 2015, 05:15 PM
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Congratulations, the market has been waiting for something like this for quite a long time now, and you've built it!

So long as it's reliable, and I have no doubt it will be as least as reliable as other ESC's, then you are onto a winner.

Have you done any testing around high pole count outrunners?

How about Genesis?

Next goal should be a logging facility if not already there.
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