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-   -   Batch 2 V2 MMM (https://www.rc-monster.com/forum/showthread.php?t=13919)

JThiessen 09.06.2008 11:09 PM

Quote:

Originally Posted by 123revo (Post 209942)
ah its good to see patrick and co are RoHS compliant. green manufacturing, the way of the future. yes that lead free solder is a royal pain to work with without the right tools/ solder iron. i just gave mine to one of the shop guys and hey presto...all soldered. TBH if i was to do it, i would have used the leaded solder, i am very impatient.

123.

Cheater.....!!!!!

brushlessboy16 09.06.2008 11:16 PM

Quote:

Originally Posted by JThiessen (Post 209989)
Cheater.....!!!!!

:lol:

you know the thing i dont get is
My solder wouldnt blend with theres...mines lead free 96/4

but it works fine by itself:neutral:

123revo 09.07.2008 05:04 AM

Quote:

Originally Posted by JThiessen View Post
Cheater.....!!!!!
i resemble that remark. however we have irons that melt it in nanoseconds, they are the metcal irons try circa $1000 an iron and $100 a tip !!! nah i will spend my cash on lipos after all i spent 7 years soldering and dont do it unless i have to. my V2 is humming away nicely, love the funky sounds on boot up. am i the only one who gets nervous when soldering the connectors on the li-pos?

long live the MMM:yes:

123.

xtremelimits285 09.07.2008 12:20 PM

Quote:

Originally Posted by JThiessen (Post 209880)
The wire's don't have male bullets on them on one end? Mine did, and the only thing I had to solder was my choice of ends to connect the motor (I used 6mm bullets for that). I did attempt to use 4mm, but the wire wouldn't fit into the socket on the bullet.

Quote:

Originally Posted by JeffEmbracedDC (Post 209885)
As did all of mine..


no theres no males soldered on any of the wires, both sides of the wires are tinned..

i tryed a set of 4mm's an crap is the tinned solder hard to melt, i had a friend try to put on the 4mm's and no luck, my 80-120watt gun needed a new tip, try or 30mins..:whistle::oops:

ill just get some 6mm's or 6.5mm's and have the hobby shop down the road put them on, as it probley only takes the 5mis..:yipi::gasp:

im going to use 2 screews to hold down my MMM to my RCPD top plate
and also use 2 zipties just incase...

Kajman 09.07.2008 12:24 PM

Any news about percentage of dead MMM v2?

e-mike 09.07.2008 12:27 PM

9% i guest.....

80(more at this time)unit died on 3000 made

JThiessen 09.07.2008 01:10 PM

Quote:

Originally Posted by e-mike (Post 210122)
9% i guest.....

80(more at this time)unit died on 3000 made

That only makes 2.6%

JeffEmbracedDC 09.07.2008 06:01 PM

My MMMv2.0 BEC outputs 6.05v. I assume they changed the bec from 5.5 to 6.0v when they designed the v2?

-Jeff

e-mike 09.07.2008 06:04 PM

Quote:

Originally Posted by JThiessen (Post 210126)
That only makes 2.6%

i know...it why ive wrote 9%because now its really 9%:lol:

Mister-T 09.08.2008 12:10 AM

6.05 volt unloaded, voltage may drop under load even if there is a regulation

George16 09.08.2008 09:04 AM

Patrick, your pm box is full.

Anyway, here's my message.

The replacement V2 which was shipped on Aug 28 and received last Friday, Sep 5th is dead. I started a thread about it under CC forum.

http://www.rc-monster.com/forum/showthread.php?t=14844

Anyway, I want to know if it's okay with you to do the BrianG mod and run it with my rx pack without voiding the warranty if something worse will happen. I know some forum members were given the go-ahead to do the mod without voiding the warranty since the MMM is not working naymore.

jhautz 09.08.2008 09:11 AM

Quote:

Originally Posted by JeffEmbracedDC (Post 210209)
My MMMv2.0 BEC outputs 6.05v. I assume they changed the bec from 5.5 to 6.0v when they designed the v2?

-Jeff

Quote:

Originally Posted by Mister-T (Post 210303)
6.05 volt unloaded, voltage may drop under load even if there is a regulation


My V2 puts out 6.0v and my V1 put out 5.42v. I definitly think it has been changed from the origianal 5.5V standard.

xtremelimits285 09.08.2008 11:03 AM

Quote:

Originally Posted by jhautz (Post 210383)
My V2 puts out 6.0v and my V1 put out 5.42v. I definitly think it has been changed from the origianal 5.5V standard.


Yep , i put the volt meter to my v2 MMM and im seeing 6.0v on the MMM's bec...

With my MMM plugged in & my Futaba Digital S9351 servo plugged into my Futaba 2.4Gh 6ch Rx i am seeing 6v-5.95v, an when turning the steering servo to full lock(left or right), im seeing 6v-5.9v...

Now just for 0.2-0.5sec it drops to 5.8-5.75v when turning, but thats when the servo first moves under a Heavy load / my hand pushing down on the frontend an holding it down, but after 0.2-0.5sec it goes right back up too 5.8v-5.9v even while still loaded up / me pushing down on the frontend....

So the lowwest the new v2 MMM's bec drops is 5.75v, Under a Heavy Load.

BrianG 09.08.2008 11:05 AM

I might have to get a MMMv2 and test the BEC like some of the other tests I do. Curious about efficiency, noise, etc...

jhautz 09.08.2008 12:16 PM

Quote:

Originally Posted by BrianG (Post 210407)
I might have to get a MMMv2 and test the BEC like some of the other tests I do. Curious about efficiency, noise, etc...


If you can get it to last long enought to test.:whistle: lol


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