dwcraig1
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Posts posted by dwcraig1
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I calculate my watt hours a little different than most when using 18650's in a mod meant for a lipo pack, this is due to the built in (hardware) cell cutoff
So I'm using Steve's battery CSV with a soft cell cutoff of 2.9 volts and 12.5% subtracted from the 18650's advertised mah.
My battery icon as far as accuracy seems pretty good. But I'm using LG HD2's not 30q's.
Oh BTW the hard cutoff on a DNA200 is 28.5 volts unless that got changed by a firmware revision......in case anyone is wondering. -
Certainly nothing excessive going on there.
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See if you can get a measurment of the voltage drop when firing in Device Monitor when firing with the batteries standing at 3.7 volts.
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Looks be be time to open a ticket with Evolv.
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Are you using SP3? If so perhaps revert it to this for getting the value of mod resistance then return it to SP3 when done.
*** 2016-02-29 EScribe 1.0.42 *** Sorry, I don't recall the FW version but it's included with the Escribe 1.0.42 -
Have you tried charging with another USB cable?
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Download the preheat.csv and add it to materials in the left pane of EScribe's materials then add to mod (right pane) and upload to mod.
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That's because it is a DNA200, there is no DNA133 board, just the 200 running at 133 watts.
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Yes, but the latest (SP3) covers all the Escribe capable boards.
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I have NiFe 48 from here: https://www.zivipf.com/epages/63862298.sf/en_GB/?ObjectPath=/Shops/63862298/Products/NiFe48-0.50/SubProducts/NF48-0.50-10m
They list TCR as 400, also it's 52% Ni but they call it "48". Crazy wire has both 48 and 52, I'm "interested" with your results. -
The suggested 3400 would be 0.0034
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Gee I see it. I'm surprised it's just now being caught.
I think it would be safe to just use the pin name.
Others will answer soon I believe. I have no hands on with either board. -
Great news.
It's not so much max resistance as it is max voltage......9 volts.
0.5 ohms hot could yield 162 watts.
I'm kind of guessing here a bit.
http://www.the12volt.com/ohm/ohmslawcalculators.asp -
It will probably just eliminate it as the cause, I hope it does it for you though.
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Just my opinion but I would flash it to the "2016-02-29 EScribe 1.0.42" and measure the mod resistance and use that value. Then flash it back to SP3.
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Great news
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75's are all the same.
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If you had a 0.08 ohm coil that you wanted to power at 50 watts the 75 will do that, I'm pretty sure the 60 would not.
Or if you had a 1.0 ohm coil that you wanted to power at 50 watts the 60 will do that but not the 75. -
I bought some 317L a few weeks ago so I could have some experience with the SS3xx but my SS430 works so good I just can't bring myself to change to it.
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Did it charge OK prior to a couple of days ago?
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I really don't have an answer but do have a couple of questions.
Have you tried a different cable or perhaps a different power source? Edit: cable must be OK, it's reading the USB's voltage.
Did you change the USB current from the "Diagnostics" tab in Device Monitor to zero by chance?
Does the mod work? -
It's in the bottom right corner of device monitor under the the Diagnostics tab. On the 200/250 you can set what you want (max), on the 75 you turn it on or off. The adjustment is made to the mod not EScribe (no upload required).
Just remember to set it back when your done, it will use it's setting with a wall wart so if you left it turned off it will not charge. -
Realistically your watt hours for those will be about 27 -28 Wh, keep in mind that the 200 was designed to use a lipo pack so you won't be taking those 18650s down to the 2.5 volts as that's what was done to achieve their 3000 mah rating. The hardware cutoff is 28.5 volts on the 200.
I set my soft cell cut off to 2.9 volts when using 18650's in a 200. -
Your batteries are near depleted, what batteries are they and what's your watt hours set to?
Post a screen shot of device monitor showing your cell voltages.........after you charge them perhaps.
Another Thing
in General Discussion
Posted
What model 75's are they?