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-   -   BK Micro controller and Neu Motors? (https://www.rc-monster.com/forum/showthread.php?t=6475)

jhautz 04.18.2007 05:11 PM

BK Micro controller and Neu Motors?
 
Will the BK Micro Controllers run the Neu Motors? I know that the BK Warrior controllers will not.

If anyone can let me know Id apreciate it.

This one? http://www.rc-monster.com/proddetail...troller&cat=21

The manual on BK's site says it will.
http://www.bk-electronics.com/micro_eng.pdf
At the Bottom of the 2nd page.

sjcrss 04.18.2007 06:12 PM

i dont think they will, i used to have a Micro 2095 Bk controller, and i was told that it won't run a 4 pole motor very well...which is what the Neu are.... for 400.00 I would just get a quark 125b and the quark heatsink for 30.00 and it will only set you back about 320.00 that is what i just ordered not to long ago.

RC-Monster Mike 04.19.2007 08:58 AM

The BK controllers "work" with the neu motors, but not very well, as Shayne pointed out. They have the "instant brakes" when inputting any throttle input after coasting - as if they lose the rotor position during coasting. I 2nd the Quark recommendation. :)

Serum 04.19.2007 10:58 AM

From my experience, the Bk controllers have got the nasty habbit, that once they hit their RPM limit, the instantly stop turning the motor.. (notsogood..)

BrianG 04.19.2007 11:40 AM

What is the RPM limit of BK? I would assume that if it can turn a 2 pole motor at 60krpm, then it can turn a 4 pole at only 30krpm. Is that right?

To get around that, I suppose you could trim down the EPA on the radio to keep rpms down.

Serum 04.19.2007 12:33 PM

I thought it SHOULD be 150K for a 2pole. But my 6 poler hit the RPM limit at 20K..

neweuser 04.20.2007 05:23 PM

I would limit all the confusion and just get the Quark, it runs the Neu flawlessly, temps are at the minimum, and worth every penny!

jhautz 04.20.2007 09:23 PM

According to the manual on the BK site the RPM limits are like this:

RPM:
ca. 100,000 rpm with 2-pole motor
ca. 50,000 rpm with 4-pole motor
ca. 25,000 rpm with 6-pole motor

But then, I also found on the BK web store that says "[B]all BK-Controllers are made for 2 pol brushless motors !
I dont plan on going over the 50K limit on the neu which is a 4 pole motor.

I already have a few quarks but was thinking about trying the 3695 so I could run a higher voltage setup. Something like 10s. At least 6s which is ify on a Quark. Anyway it was just a thought. I probably wont be doing anything with it for a little while. Just thinking at this point.

What is this instant brake thing after letting off the throttle? Sounds really stupid.


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