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  1. C

    -- THE SINGLE CELL CHARGER POST --

    I want to throw out a real simple line of questions, and it may be cheesy, but i just have to put this out here... forgive me if this is too junior! If one were to hook up a series of single cell chargers, say in the neighborhood of 20 to 24 units, and if those chargers were all in the 8 amp...
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    Dewalt configuration help

    You'll want to go parallel, if you do not intend to increase voltage. This will give the benefit of increased amp hours. So 2.3 X 4 is 9.2 AH total. You'll be able to go farther than if you only used one dewalt. Your AH consumption will depend on the efficiency of your system against the type...
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    First fried mosfet experience!

    Thanks everyone for the replies! This is a great place, and its the members that make it! And yes I was testing the motor phase wires, not the controller. And yes that makes a lot of sense that the motor was acting like a generator when the blown controller was hooked up. It was a strange...
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    First fried mosfet experience!

    Another novice question I have for folks... Is it normal to see continuity across all three main wires to the motor? I have my meter set to a 100k ohm reading and i'm getting continuity through any two phase wires that I pick. Looking at a diagram this seems like this would be normal, but I...
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    First fried mosfet experience!

    Well, I just experienced what it feels like when Fets fry out. I'm riding along and all of the sudden it feels like a T-shirt is wound up in the back wheel! Don't ask me how i know what THAT feels like, but it was an almost identical sensation! And the strange part... after realizing that...
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    new 50amp crystalyte controller?

    Or could you be right?... :twisted: Only time will tell! Only 8 Days to go! contingent upon a smooth customs process of course.
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    new 50amp crystalyte controller?

    Unfortunately, They don't have a waiting list, but he said to get back with them around the 23rd to see if they have it by then. Cheers!
  8. C

    new 50amp crystalyte controller?

    Yeah, I already told Justin to put me on the waiting list. I'm going to get the 50amp and the cycle analyst pre-calibrated for it. Then i can adjust the amperage back to what i can use with my batteries that i have now, and when the time comes to replace them, I can look at possibly uping the...
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    new 50amp crystalyte controller?

    Anyone talked to Justin lately at ebike.ca? I received an email after inquiring about their controllers. He mentioned a 50a controller coming with 4110's. Sweet! I think I'm going to hold out for this one! Cheers!
  10. C

    Successful overvolting on Ananda Controller

    I've been pricing some parts to upgrade the existing controller, but it's really looking like it might be too much money to do it. I priced the IRFB4110 part alone at digikey and it would cost almost 37 bucks for 6 of these. That's not including shipping, plus i'd still need need replacement...
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    * * * The 1000 Mile Club * * *

    I'm almost at 1100 miles now.
  12. C

    Successful overvolting on Ananda Controller

    Here's the size and source of SLA battery that i'm using: http://www.batterymart.com/p-12v-7ah-sealed-lead-acid-battery.html
  13. C

    Successful overvolting on Ananda Controller

    This is a link to the kind of ebike i have: http://yzfc.en.alibaba.com/product/50029391/50135872/Electric_Bicycles/Electric_Bicycle/showimg.html I've gotten rid of the fenders, and I added a topeak bike rack to the back. The rack that i used is the model that the topeak bag can be attached...
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    Successful overvolting on Ananda Controller

    Oh and a technical note that I forgot to mention: This morning I checked the voltage level after the batteries charged all night. They were sitting right at 50 volts. So it looks like I lucked out. If I'd crossed that 52 volt mark, who knows! It could have turned nasty! This was without a load...
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    Successful overvolting on Ananda Controller

    Wow! That was awesome information. I feel like Neo... "I know Kung Fu." It's going to take me a bit to process all this great information. I know to the seasoned EE this is not a big deal, and I understand in concept what everyone has said here, it's just a matter of the discipline. Am I ready...
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    Successful overvolting on Ananda Controller

    Hello folks, Newbie here. I've been reading quite a bit on this site and I have to say that this is one awesome outfit! Thanks for the great postings! I've learned a lot so far and I'm sure I've barely scratched the surface here. I have an unusual setup i think. At least in the sense that I...
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