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-   -   MMP able to handle this Motor? (https://www.rc-monster.com/forum/showthread.php?t=28932)

JoFreak 01.02.2011 01:59 PM

MMP able to handle this Motor?
 
Hi,
I just ordered a 6-Pole 5000kV motor (1000 Watts) for my Slash 4x4.
Now I started wondering if the MMP will be able to handle this motor on 2S LiPo?
Especially the 6-Pole part of it.

lincpimp 01.02.2011 04:59 PM

Link to the motor specs?

JoFreak 01.02.2011 05:10 PM

Hi Linc,
it's not a CC Motor, so I won't post it up in the Castle section.
Sent you a PM instead.

samintrepid 01.03.2011 12:35 AM

I think not but i am not sure at 100%, The next castle sc combo are 4800kv and need mamba monster because he drain too much amp for the MMP.

nuz69 01.03.2011 01:19 PM

The amps doesn't depend of the motor but of the setup (ratio, weight of the vehicle, etc...). I would wonder about the commutation speed required to run a 6 poles 5000Kv motor. The mmp can run a 4 pôles 5700Kv (new Castle 4 poles motors for 1/10scale), so I don't know if it can run a 6 poles 5000Kv motor. Just wait another reply of Castle guys.

outlaw 01.03.2011 03:06 PM

I guess, i know what motor he ordered :whistle:
20mm long 38mm diameter 6 Turns

On 2S the MMP will handle it just fine

This motor likes high timings ! around 15 to 20 degrees

Make sure you have "biffy" batteries

JoFreak 01.03.2011 03:09 PM

Well big surprise!
It's because of you I got the idea to get that motor in the first place:whistle:
But I think you mean 40mm long:wink:

outlaw 01.03.2011 03:39 PM

Hmmm 40mm long ????

drkdgglr 01.04.2011 04:44 AM

Last weekend I had my first run with a MMPro in a Slash 4x4 with a 6 pole brushless motor (1530kv @5s). I have it setup for the same speed as a stock Slash 4x4 on 2s. After 30minutes of bashing the motor reached 44c and the MMPro was 15c.

The setup needs some fine tuning in timing. The manufacturer recommendend 5 degrees timing, but on forums I've read that 20-25degrees timing is best. So that will be my next attempt.

outlaw 01.04.2011 07:46 AM

Hmmm looks like you got the same motor, i have, just with different "T's"
Sounds like a 10T one

Slash on 5S ? Thats a lot power. how much mA do your batteries have ?
I have 3S 6500mA and get almost 25min runtime Indoor so around 73Wh
A 4000mAh on 5S would be around the same (74Wh)

drkdgglr 01.04.2011 08:04 AM

yep, mine is a 10. I'm running a 5s3000mah 40c zippy.

So, if you're running the same motor, do you also get a minor glitch a very low speeds? When I 'crawl' along it suddenly boosts forward a bit. This only happens with very little throttle.

outlaw 01.04.2011 08:09 AM

OK Thanks for that

No cogging
I can crawl' are real low speed but i have seen the "sudden boost" some time as well
But on the CC2200 Motor, i have seen the same.
I use 10 degrees timing currently and no Punch Control
Low Start Power

But over all MMP and the Motor are a great combination.
I'm more than happy

drkdgglr 01.04.2011 08:12 AM

Have you tired different timing settings?
I believe my motor temps were too high, considering I'm only geared for 30mph. Maybe I'm undergeared...

outlaw 01.04.2011 08:17 AM

100% undergeared ! Those Motors don't care much about gearing
We had a test with the /7 on MMP in a SC8 compared to the CC2200 Motor (same KV)
The /7 does take 15-19 pinon and does not care ;-)
On higher timing, you will see less temps !
BTW the magnets can handle up to 180 degrees ! on all of them

10 degrees was just a test, i will go back to 18-20. But without Sensor, the MMP can't do more than 20.

I wish a 2240/10 would come around my house... compare 3S to 6S

Castle, maybe this would be a welcome change for the firmware, to allow maybe 25 degrees of timing, without sensor

Pdelcast 01.04.2011 02:19 PM

I'd be suspect of any motor that has both 6 poles, and needs THAT MANY TURNS to get a decent Kv.


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