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flyboy1985

Senior Heliman

mohnton pa

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ok guys ,
so ive been reading aton about lipos and whos are great , whos suck , and whos are the go to brand,
so ive tried quite a few, a few are duds imo,,

now I'm only going by facts , no here say , kinda like my assault thread, so , with that said ,

ive gotten my hands on two new revo 5000 mah 60c packs, and at the same time got two 5000mah nano tec 45c lipos ,
so what better time to see whos last the longest with the most punch at the end of the day eh?

now with that said , the post start data, all lipos had ir of under 6 total for the whole pack on each , so let the break in begin,

I first set each one up to my icharger and cycled them 8 times @ 1.5amp charges, down to 3.85 , than repeat ,,,,

I than ran them at the field like so ,
*I only took one set of packs per day so the data would be more inline with each other,,
* I flew 6 times each day ,
and each time I flew ,i took lipos out of heli, put them right on charger with no cool down ,
*and charged both lipos together @30 amps charge (15 amp each?)

(the first 58 cycles on each were on a tsa 600 @2100 hs 4min,,than switched over to a 700assault for the other 67 cycles 2100hs, 4 min for 125 cycles in all each))

so each lipo has 125 cycles through them , each one treated the same , all stored at room temp when not in use, all flown the same , all the abuse I could throw at them ,

before the data , some thoughts on each (after 70+ cycles) ,,

the nano tecs seemed to charged more balanced ,and a little quicker too (about 1 min,)

the nanos had more punch by far at the end of each flight ,

the nanos had a more noticeable hs change when switching from iu 1 to iu 2 (about 1950 hs to 2100

the nanos did have a noticeable puff everytime I charged them fast .but went back down after the day was done,

the nanos were warm to touch

nanos always had more punch twards the end,,

the revos didn't puff and held shape,

the revos were cool to the touch ,

the revos started going out of balance after awhile of fast charging and after so long , never could sych back up , until at home slow charging.

the revos lost punch after cycle 80,

the revos were smaller all together in size ,

*******************************************************

now 125 cycles, I hooked them up today to the icharger for ir readings,

nano pac #1 ir is 13
nano pac #2 ir is 13

revo #1 ir is 21
revo pac #2 ir is 21
a note on the revo packs ,, the ir were the same and so were the readings,, I checked this three times and turned off the charger put on a nano and got the nanos readings ,than placed the other revo pac on charger first just to be sure and got same thing,, so the revo pacs somehow decay at the same exact rate ? good thing?

anyways , my take on these are a draw , both good for the money , both in the same price range abouts,

the revos sucked with puch after so many cycles,

but the nanos were always warm and puffed,but had punch

so imo either one is money well spent , but if size is critical you must go with revos due to no puffing,
but if size don't matter none and at the end of the day you want the most cycles with punch for the least amount ? in this case the nanos win,

I also used a nano tec 6.6v 2100mah life pac that has too many flights on it (over 60 ) and its still a gem,,

but heres the pics,

going pro , one crash at a time

09-15-2016 12:02 AM
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Richardmid1

rrProfessor

Leeds, England

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What are the weights of the packs?

BTW the nanotechs are 45C not 50C. The Revo might be 60C max instead of 60C continuous whereas the nanotechs are 90C max.

60% of the time, it works every time!

09-15-2016 01:40 PM
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flyboy1985

Senior Heliman

mohnton pa

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yea I just looked,,, 45c . don't know why as I was typing I thought 50c ,the revos are 60 tho or so they say,,
the weights I cannot tell , I tried to put them on my scale but I guess it don't go that high ? I get an error,

I can tell tho that the revos are lighter , which you would think the nano would be due to no plate in them?

I'm assuming theres no plate cuz of the puffing?

I also had a set of buddy rc glacier pacs,, but they met an unexpected doom

but up until there doom, they were beating the revo packs,,

have you had any experiances with lipos you would like to add ? maybe pulse or the eflights (lol)

I would like to do a thunder power vs nano tec , or pulse , but I aint down with spending that kinda $$$ for a lipo that wont be that much better imo..

going pro , one crash at a time

09-15-2016 02:03 PM
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Richardmid1

rrProfessor

Leeds, England

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If you say the Revo's are lighter and smaller in size ide suspect that they are not actually 5000mah.

Discharge them from full on your charger down to 3v/cell and see which gives the most mAh.

60% of the time, it works every time!

09-15-2016 02:08 PM
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flyboy1985

Senior Heliman

mohnton pa

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when I say smaller , I mean no puffing, I guess I wasn't clear on that .

they are abouts the same size when placed side by side , just the nanos are "bigger" due to the puffing, and if I went by the nanos for size , than yea the revos are smaller , but I think the revos are the right size for a 5000mah pac, its just I'm seeing the nanos and thinking that's the size to go off of,

I'm pretty sure they are 5000mah packs, I don't think they would falsely claim that would they?

and the weight cannot be assumed that the nanos are lighter or heavy .
my scale isn't made for huge things like that , only up to 700mm blades work with it, so in effect , I could be seeing the nanos puffing ,and right away in my mind, its gonna tell me they weigh more due to size? and thus seem to weigh more?

I don't know until I can get ahold of something to weigh them ,
I think that's why I didn't really mention that much in my review , only said the revos are smaller due to no puffing.? and that the nanos puffed,.?
couldn't really say the weight cuz I didn't have the means to .
only the ir readings and my experiance throughout this,

going pro , one crash at a time

09-15-2016 02:32 PM
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flyboy1985

Senior Heliman

mohnton pa

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what lipos do you use?

what kind of cycles are you getting before punch loss?
any puffing? unbalanced fast charging problems?

any and all info is helpful to me because I'm really trying to find great lipos for the money

going pro , one crash at a time

09-15-2016 02:42 PM
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Slowpoke

Veteran

Dublin, OH

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If you let the nanos cool before charging and charge at 1C, do they still puff?

09-15-2016 02:51 PM
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flyboy1985

Senior Heliman

mohnton pa

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I'm not sure , as I never did that , I only did as I said , fly , take out of heli and than right on charger .

but they are puffed and don't go down and get a little more puffy when I fly and get warm , than that little extra puffiness goes away once cooled,

I think if you charge at a lower rate , and let them cool , they should be ok , I think the puffing has a lot to do with the stress of the packs on how they were treated (ie fast charging ,no cool down) and I'm pretty sure theres no plate to aid in puffing like most others have, don't quote me on that tho,,

the puffiness tho as I said can be a problem in tight areas,, heck after flight 5 for the day on a warm day with my nanos , they became hard to get out of my assault ,

but again , well worth the money if space isn't an issue,

going pro , one crash at a time

09-15-2016 04:12 PM
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flyboy1985

Senior Heliman

mohnton pa

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got out my calipers,, heres how wide they are ,

nano pack 1- 56.81mm wide

nano pack 2- 56.99mm wide

revo pac 1- 53.21mm wide

revo pac 2- 53.26mm wide

this is at room temp cooled down

going pro , one crash at a time

09-15-2016 04:17 PM
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flyboy1985

Senior Heliman

mohnton pa

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and once the nanos get warm I'm gonna guess add another 1- 1 3\4mm to the width of the packs

and when they were new, there was a 1mm of size diffrance between the two packs (nano, revo)

going pro , one crash at a time

09-15-2016 04:21 PM
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Flyin for Jesus

Senior Heliman

Dana Point, Ca. 92629

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I just got some 6s 5000 70c revo packs ( won at a fun fly ) and I'll be trying them out on a 6s 600 Logo. I don't have it ready to fly just yet, but I will have a U/I sensor on my NEO and can see what kind of voltage drop I get when heavily loaded.
I don't have any other packs to compare them to though.

09-15-2016 04:24 PM
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flyboy1985

Senior Heliman

mohnton pa

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are they split packs, or a true 6s? mine were a split packs,
, and ive found that split packs don't balance well over time imo..

so keep that in mind once you get some cycles through them , I'm interested to see how they hold up .

going pro , one crash at a time

09-15-2016 04:26 PM
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flyboy1985

Senior Heliman

mohnton pa

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btw , you shouldn't see to bad of voltage drops with that extras light logo , lol ,

going pro , one crash at a time

09-15-2016 04:34 PM
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Flyin for Jesus

Senior Heliman

Dana Point, Ca. 92629

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They are split packs... and the Logo is light... but I get 100A pulls on my other ( slightly heavier ) 600 on 12s.

So I'd imagine I'll be getting 160A spikes or more on this heli. Depending on how I set it up and how hard I fly it.

09-15-2016 09:50 PM
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flyboy1985

Senior Heliman

mohnton pa

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keep us posted pal

going pro , one crash at a time

09-15-2016 09:57 PM
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