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  1. M

    Nissan Leaf Cells Test Data

    I'm interested in electric vehicles and although some of it is just a bunch of chat, there's good bits here and there. I usually extract the video from Youtube and use VLC player and watch it at a speed of 2x or 3x and even at 3x I can make out what Jack is saying quite well because he talks...
  2. M

    Nissan Leaf Cells Test Data

    Skip to 1:17:30. Pay attention to the time he actually turns the load on and count 30 seconds because he actually runs out about 40 seconds or so. https://www.youtube.com/watch?v=UCPjW57sr7w
  3. M

    Nissan Leaf Cells Test Data

    Can you quantify the sag? What voltage are you dipping to and what amperage for that voltage? I'm trying to get an idea of how bad these really are. Especially considering large format LiFePO4 like CALB sag to 2.889v with a 30 second 576 amp 8C draw on their 72Ah cells with a resting voltage...
  4. M

    Nissan Leaf Cells Test Data

    This thread, scroll to April 9th, January 28th, and August 2nd.
  5. M

    Nissan Leaf Cells Test Data

    The Ah rating was determined that rate.
  6. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    They sell other stuff than your standard A123 packs from Fisker. Are you being quoted for their duct taped pack? http://www.weiku.com/products/13533142/Lifepo4_36V20AH_battery_pack_with_BMS_and_charger.html
  7. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    That is the first I've heard of it. Even the authorized distributors say 19.6Ah with a 18.5Ah minimum and since we are getting gray market cells I understand why it is possible to get even less than the minimum out of a cell or two in a large Fisker reject pack than what is stated by an...
  8. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    "1. capacity >19.9Ah at 1C rate, 25°C" These cells aren't 20Ah cells and I don't know anyone who tested them to be that much, the tests I've seen done with them were around roughly 19-19.7Ah, sometimes mid 18Ah's too. Building a whole pack of them, I wouldn't consider them as being more than...
  9. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    You'd swear these were all made in ChinUSorea.
  10. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    Uhh, A123 never burned down a Volt, ever. That would be misinformation, which has already been corrected, except for the one quote of someone that was removed that contained a video of the Volt which had user added text that was false information. It's similar to the misinformation about these...
  11. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    I had my China buddy work out the words left by the seller. He first said that the seller has no feedback and to be careful. He says that it describes the negative electrode holes as being a short circuit protection in order to protect the batteries. He said that there is some information...
  12. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    Interesting stuff at that Taobao site. Looks like they are trying to add tabs back on to cut-tab cells. Looks a little corroded, won't pass current too well with corrosion...
  13. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    The Yours picture is peterperkins BMS that he created(really good one with tons of features including a visual display and even a wireless transmitter to see charging process from inside the house), he isn't showing the one that the modules came with. If you look closely you can see his web...
  14. M

    Dr.Bass Steveo found 7s3p Module! Awesome Price!!

    I'm taking guesses that i might not be able to fit a 42s pack where I need and getting 28s packs leaves me out 28 cells if there is an issue leaving me with a workable pack when I jumper around it, I'll buy a spare as a 'just in case'. Looking for close to 100 cells in series. So 4 of the...
  15. M

    LiPo Snowblower

    I'll post an update. I haven't been too active on this project due to the lack of snow. We finally got a snowfall of about 5" here this morning to get some real data, before this it was a paltry 2" or so. This stuff was wet and nasty, I had a baseball bat in hand to knock the snow out of the...
  16. M

    LiPo Snowblower

    I suppose since its still under warranty if I'm careful enough about how I connect things up, I might be able to swing a motor replacement if something decides to fry. I'm looking to be as reversible as possible until I'm confident that I'm not going to blow it up the first time I try to push a...
  17. M

    LiPo Snowblower

    I don't have an inverter that could handle a load like this or a battery with the capacity at the right voltage to connect an interver to it. It's a great way to do it but adding the inefficiency of an inverter and buying a batter that doesn't suite any of my other needs(like an e-bike, my...
  18. M

    LiPo Snowblower

    My thoughts were that the bridge rectifier would pull the average voltage down a bit below the RMS household voltage to where it might even be below 100 volts but I wasn't sure. I'm still not sure what the definitive number is and whenever I try to use a DC volts setting on a multimeter to the...
  19. M

    LiPo Snowblower

    Single stage works here most of the time as a majority of our snow is dry unless its there too long during a warmer day and it gets compacted and melted together into a heavy melty slush that even a 2-stage gets clogged up with. I've got my gas snowblower too but I always find the most...
  20. M

    LiPo Snowblower

    The motor is a universal motor, it has a small bridge rectifier set built into the part where you plug in the extension cord. I know it is because I connected it to my hobby charger, pushed 5 amps through it and it spun up quite nicely, then I connected my NiMh pack that has 54 cells to it...
  21. M

    LiPo Snowblower

    No, I wouldn't need additional motors for the wheels as the propulsion power comes from the paddles being in contact with the ground once it gets through the snow, they are reinforced rubber so they grip like tires, actually better because they can still pull the unit forward while scraping...
  22. M

    LiPo Snowblower

    I have an 18" wide electric plug-in snowblower that I got for about $100 (normally $200) last year during a sale that went on about this time last year. Worked great but plugging it in and dragging the cord behind me is annoying and it is a bit of a pain trying to keep the electric cord out of...
  23. M

    2000 Citris Yellow Honda insight

    Here you go. You might want an official service manual for this car too, I'm thinking somewhere along the line it would really help. http://www.insightcentral.net/encyclopedia/endcconverter.html It shares the same heat sink as the MDM can be separated from that heat sink or the DC-DC could be...
  24. M

    2000 Citris Yellow Honda insight

    Just be sure there is enough space for that motor to fit. The length is an issue, someone else tried to put a Warp 9 in their and had to use the Impulse 9 instead. I'd think the larger 12" is far more beef and weight than you would want to have in an Insight. You've got 12v power steering and...
  25. M

    2000 Citris Yellow Honda insight

    I'll let you count what you need to count. These aren't my pictures but those of someone at the Insight forum. Might give some detail of the failure mode too. http://s1182.photobucket.com/albums/x447/goodnuff4me/
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