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MM BEC output voltage
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Mozzy
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MM BEC output voltage - 11.23.2008, 11:31 PM

Does anyone know what the output voltage is on a MM V3 & can they be adjusted to higher voltages?

I haven't got mine yet & I remember having issues with my V2's not supplying enough voltage to my servo & now that I'm going to use mechanical braking I'll be drawing even more current.


Losi SCTE SC4 Pro 4000kv, Tekin RX8, 2S
MP7.5 Kanai III Tekno Neu 1515/2.5D 1700kv MM 4S
LST 2 Carbon CC 1717 1Y 1580kv MM 6S
Futaba 3PKS Spektrum Pro

Last edited by Mozzy; 11.23.2008 at 11:37 PM.
   
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brushlessboy16
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11.23.2008, 11:34 PM

Quote:
Originally Posted by Mozzy View Post
Does anyone know what the output voltage is on a MM V3?

I haven't got mine yet & I remember having issues with my V2's not supplying enough voltage to my servo & now that I'm going to use mechanical braking I'll be drawing even more current.
The MMM?

Mamba Monster's Bec is set at 5.5v


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Mozzy
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11.23.2008, 11:42 PM

Can it be adjusted?


Losi SCTE SC4 Pro 4000kv, Tekin RX8, 2S
MP7.5 Kanai III Tekno Neu 1515/2.5D 1700kv MM 4S
LST 2 Carbon CC 1717 1Y 1580kv MM 6S
Futaba 3PKS Spektrum Pro
   
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BrianG
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11.23.2008, 11:44 PM

Nope. There was a thread a while back and Patrick said if you send it in, they could bump it to 6v if you wanted for a fee. But, I'm sure they're a little back-logged right now and it would take a while.

If you want an even 6v, consider using an external UBEC and disable the internal one. It would be quicker and about the same price.
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Mozzy
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11.23.2008, 11:47 PM

Yeah, I was thinking of that. My mate has one, so, I'll give it a try when my MM's come in. If they get here, it's already been 2 weeks since I received postal confirmation from CC.


Losi SCTE SC4 Pro 4000kv, Tekin RX8, 2S
MP7.5 Kanai III Tekno Neu 1515/2.5D 1700kv MM 4S
LST 2 Carbon CC 1717 1Y 1580kv MM 6S
Futaba 3PKS Spektrum Pro
   
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jhautz
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11.24.2008, 05:33 PM

Anyone test the ouput voltage of their MMM lately? I still have a V1, V2 and V3 here. The V1 has 5.56v output with no load and the V2 has 6.1V out out with no loal and the V3 has 6.05v output with no load.

It looks to me like the V2 and V3 have a 6v output and the V1 had the 5.5v output. The CC website documentation still says 5.5v but thats not what my MMMs are putting out.


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Last edited by jhautz; 11.24.2008 at 06:17 PM.
   
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Mozzy
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11.25.2008, 07:34 AM

Hmmmm, good to know.

Maybe it's my brushless servos drawing more than that????

I have no idea & will have to find out when these ESC's finally arrive.


Losi SCTE SC4 Pro 4000kv, Tekin RX8, 2S
MP7.5 Kanai III Tekno Neu 1515/2.5D 1700kv MM 4S
LST 2 Carbon CC 1717 1Y 1580kv MM 6S
Futaba 3PKS Spektrum Pro
   
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Arct1k
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11.25.2008, 08:27 AM

Jeff IIRC I too tested my V2s and had 6V - I think CC bumped it after the feedback...
   
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himalaya
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11.28.2008, 02:38 AM

My V2 has 6V output before it died. And that's neccesary for an offroad vehical where hight torque servos are required.


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Mozzy
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11.28.2008, 03:53 AM

I just received a new 18kg Futaba BL servo to see if this fixes my steering woes.


Losi SCTE SC4 Pro 4000kv, Tekin RX8, 2S
MP7.5 Kanai III Tekno Neu 1515/2.5D 1700kv MM 4S
LST 2 Carbon CC 1717 1Y 1580kv MM 6S
Futaba 3PKS Spektrum Pro
   
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BL_RV0
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11.28.2008, 01:47 PM

Sounds like it'll pull some amps. I look forward to seeing your test results.


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Mozzy
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11.28.2008, 09:24 PM

Well, I tried a CC external BEC & the result was the same, so, I'll install the new BL 18kg & see what happens.


Losi SCTE SC4 Pro 4000kv, Tekin RX8, 2S
MP7.5 Kanai III Tekno Neu 1515/2.5D 1700kv MM 4S
LST 2 Carbon CC 1717 1Y 1580kv MM 6S
Futaba 3PKS Spektrum Pro
   
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Mozzy
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11.29.2008, 09:50 AM

Installed the Futaba BLS352 18kg servo this evening & my steering woes were eliminated.

Mind you, I did realise that the arms on the steering knuckles were also bent upward. Bent them back & steering is beautiful.

Big test tomorrow to see how everything holds up & also to see what my runtimes are going to be like.
Fingers crossed I can last at least 25mins with a 5000mAh Zippy.


Losi SCTE SC4 Pro 4000kv, Tekin RX8, 2S
MP7.5 Kanai III Tekno Neu 1515/2.5D 1700kv MM 4S
LST 2 Carbon CC 1717 1Y 1580kv MM 6S
Futaba 3PKS Spektrum Pro
   
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