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Z-Pinch racer
Offline
Posts: 3,141
Join Date: Nov 2006
Location: SK, Canada
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07.01.2012, 05:21 PM
I could only see the pack having slightly more surface area to dissipate heat, and even this I am not sure of.
The only discharge test I have seen coming close to its max continuous rating was Everydayflyer on RCGroups testing the 3s 45C 2200mah Hyperion pack, at 42C continuous discharge the voltage is well acceptable, plus the pack temp is at a still safe ~140F.
Everydayflyer has NEVER tested a Maxamps pack (from the list I saw), and probably never will as maxamps KNOWS that it will simply not return a remotely acceptable discharge graph, let alone for it's ratings.
“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens
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Fat Kid Engineering
Offline
Posts: 3,634
Join Date: Jun 2009
Location: Hot as Hell West Central Coast Florida
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07.01.2012, 06:00 PM
Good to see these guys know Brandon and MA in general is all hype and B.S.
http://www.rccrawler.com/forum/elect...ml#post3803976
I retired from RC, now life is all about guns and long range shooting.
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RC-Monster Dual Brushless
Offline
Posts: 4,236
Join Date: Dec 2007
Location: Cape Cod, Mass.
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07.01.2012, 07:51 PM
I'll be happy to test one of their packs out.....in my onroad car that does 60+. That car abuses batteries as the constant braking/full throttle are torture on all electronics. Of course when it puffs, we can all have a good laugh
1. MBX-6 T8 1900KV, RX8 ON 4S
2. MBX-5T 1520, MMM ON 5S
3. MBX-5 ONROAD CONVERSION 1515, MMM ON 5S
4. MRX-3 ON ROAD CONVERSION 1512, MMM ON 6S
5. TEN T 2650 T8, MMP ON 3S
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Can't catch this...
Offline
Posts: 1,142
Join Date: Oct 2008
Location: baraboo, WI
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07.01.2012, 09:41 PM
Quote:
Originally Posted by Bondonutz
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Can anyone educate me on the '200a' setup they have?
I've been toying with the idea of getting 20-30 high watt resistors to have fun with
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RC-Monster Admin
Offline
Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
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07.01.2012, 11:07 PM
Quote:
Originally Posted by whitrzac
...I've been toying with the idea of getting 20-30 high watt resistors to have fun with 
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I've got a bunch (160) of 50w 3ohm resistors lying around available for sale if interested. There were going to be used for a battery-testing rig, but never got around to it. They are 50w each, but do need to be heatsunk/fanned for them to truly dissipate 50w (by themselves, they'd be good around 10w). Here is a pic of the resistors (and a CRT.5 for scale):
PM me if interested...
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Check out my huge box!
Offline
Posts: 11,935
Join Date: Aug 2007
Location: Slidell, LA
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07.02.2012, 11:48 AM
Yes, I can see how Maxmumps just discovered 2p, they were looking thru the return bin (thats right, MA used to accept returns way back when they 1st came out, I even managed to swap out defective batteries for "good ones") and came across one of their old 6000 packs (3000 cells in 2p config) and figured they could bring that back with a twist!!!
I really have to give it to these guys, no end to their marketing!
I remember well how the 2p packs performed. One cell would do all of the work, and the other would just slowly die. Once you tried to push the pack, the "good" cell puffed.
I bet I pulled apart 100 of MA's 2p packs and made 1p packs out of the useable cells. The 4000 cells were not bad, you could run a crawler or something brushed with them. They were solid 10c cells. The 3000 cells could barely power a cell phone.
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Fat Kid Engineering
Offline
Posts: 3,634
Join Date: Jun 2009
Location: Hot as Hell West Central Coast Florida
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07.02.2012, 12:27 PM
Oldie but a goodie
I retired from RC, now life is all about guns and long range shooting.
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Z-Pinch racer
Offline
Posts: 3,141
Join Date: Nov 2006
Location: SK, Canada
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07.02.2012, 09:33 PM
What is this Bondo? Zippy workshop?
“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens
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Fat Kid Engineering
Offline
Posts: 3,634
Join Date: Jun 2009
Location: Hot as Hell West Central Coast Florida
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07.02.2012, 10:28 PM
Its a actual picture of MA HQ back in the garage days, a forum member here (forgot who?)did the "art work" and posted it years ago.
If you look under the P's in Zippy on the wall you'll see rolls of MA pack decals.
I retired from RC, now life is all about guns and long range shooting.
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RC-Monster Admin
Offline
Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
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07.02.2012, 10:36 PM
Quote:
Originally Posted by Bondonutz
...If you look under the P's in Zippy on the wall you'll see rolls of MA pack decals.
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Ahhh, yes, the elusive Holy Grail of the lipo world; those flame stickers are worth more than gold since they at least triple the performance of anything they are affixed to.
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working on a brushless for my wheelchair.....
Offline
Posts: 4,890
Join Date: Mar 2007
Location: minnesnowta
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07.03.2012, 06:43 AM
Quote:
Originally Posted by BrianG
Ahhh, yes, the elusive Holy Grail of the lipo world; those flame stickers are worth more than gold since they at least triple the performance of anything they are affixed to.
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scratches head and sees opportunity to sell zippys as fake ma's via e-bay...
_______________________________________
It's "Dr. _paralyzed_" actually. Not like with a PhD, but Doctor like in Dr. Pepper.
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RC-Monster Brushless
Offline
Posts: 3,156
Join Date: Jul 2005
Location: Gramercy, LA
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07.03.2012, 09:40 AM
Quote:
Originally Posted by _paralyzed_
scratches head and sees opportunity to sell zippys as fake ma's via e-bay...
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I think you're onto something there. you can get Zippys at less than $20 for a 2s 5000 mah. Test it to make sure both cells are good. Then find some nice flame stickers and put a MaxCramps label on it. Guaranteed to be able to charge $50 a lipo for them!!
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Fat Kid Engineering
Offline
Posts: 3,634
Join Date: Jun 2009
Location: Hot as Hell West Central Coast Florida
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07.03.2012, 10:32 AM
Quote:
Originally Posted by nitrostarter
I think you're onto something there. you can get Zippys at less than $20 for a 2s 5000 mah. Test it to make sure both cells are good. Then find some nice flame stickers and put a MaxCramps label on it. Guaranteed to be able to charge $50 a lipo for them!!
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Who you kidding ?
The MA decals raise retail automactically to at least $100.00 !?
I retired from RC, now life is all about guns and long range shooting.
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RC-Monster Brushless
Offline
Posts: 3,156
Join Date: Jul 2005
Location: Gramercy, LA
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07.03.2012, 11:13 AM
Well I was trying to give a bargain while still giving the super flames power!
I just realized that MA took the approach of Coors Light. Blue flames on the stickers means packs are cold just like the blue mountains on the bottle. However, Coors bottles don't remotely puff, catch fire, or provide disappointment...
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RC-Monster Admin
Offline
Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
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07.03.2012, 12:01 PM
Quote:
Originally Posted by nitrostarter
...I just realized that MA took the approach of Coors Light. Blue flames on the stickers means packs are cold just like the blue mountains on the bottle. However, Coors bottles don't remotely puff, catch fire, or provide disappointment...
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Coors doesn't claim that their alcohol content is 600 proof either....
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