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Don't get me wrong, I love the Castle Creations stuff, had 3 MM's all were utterly flawless, but the MMM has me concerned.
Is it a reliable speedy, and could I recommend it to people as a reliable speedy? At the moment, I don't think I could. I'd back the Hobbywing 150A to be more reliable particularly on a 6s config with Zippy lipos. |
if you have bottom end packs you just cant expect them to perform the same as top end packs. ie. dont try and draw a ridiculous amount of power from them. Dont try and run a 10kg all alloy emaxx at 70mph. gear down!
I was running an erevo on 7s1p a123 through a MMM geared for 35mph and nothing ever got hot or broke or exploded or whatever, and A123s are notorious for shocking voltage drop. I just wouldn't attempt to gear it to 70mph and expect nothing to go wrong unless I had some top end (ie PQ or whatever) battery packs. Some people just want to go faster than they need to. I've geared cars to go stupid fast, and its pointless. gets boring very quickly once you do it. |
Wow, it seems like the same question is just getting bounced around here.
A zippy lipo is not much different from any other chinese lipo. If you can correctly estimate the wattage output of your setup you will able to accurately pick a lipo that will work. Hpi includes the 25t pinion to be used with phatline tires to get the advertised 62mph. No other reason than that. Getting 40mph out of a MT like the flux with 4s is not the easiest thing for a batt. Getting the same mph out of a 6s setup will pace less load on the batt. The gearing will be lower, the output of the motor will be the same (same top speed) and the voltage will be 50% more... So the amp draw will be considerably lower. So while you need a 4s lipo capable of 130-150 amps cont, you can get away with a 100-120 amp cont capable 6s lipo. This is pretty basic stuff, if you cannot get a grasp on this you may need to go back to nitro or nikko... |
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It isn't the low end packs in and of themselves - it is the low end packs being used like high end packs that are the issue. If you want to see the 60mph speed on the box of the ERevo, you need to have Ferrari packs to do it reliably. If you have the Chevy packs, then don't try to reach Ferrari speeds and you should be fine. |
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i agree nicely explained! i like most people these days can't afford much wanting great performance but with a light wallet i might rethink using zippy packs and look for something else??
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what if i ran 2 5000mah 3s zippys to a MMM? would i be seeing the same kind of spiking?
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The Chevy packs would be the best ones. Now if you had said "Ford Packs", I could understand the lower quality. :rofl: |
Well, there have been failures on other packs as well - most recently on a set of Mikes packs. Whether or not these failures had anything to do with the batteries, I'm not qualified to answer. (or if having a different set would have prevented the failure).
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I will put the performance of my packs against any other out there. The recent failure that happened to be using my packs is of a different type than described in this thread - the gearing was low enough for even the lower end packs when the failure occurred and seems to be unrelated to the batteries - I am not going to speak for Castle or anyone else on the particulars, but i can say with certainty that my batteries are NOT a problem, as I did pretty extensive testing (almost a year) before offering the packs for sale. :)
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And on a side note the packs performance is off the charts!!! Thanks Mike! |
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