anyone know a way of testing the voltage on the batteries? in E-Cigarette Technical; I was planning on walking into Ace and grabbing a bunch of metric nuts until I found the right one. ...
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I was planning on walking into Ace and grabbing a bunch of metric nuts until I found the right one. Simple and effective. I'm not sure if you're UK or US but I'm just hazarding a guess that they didn't use Imperial on the ecig, so if you're US, a machine shop might not have the plug gage for that size.
I'll ask at work today if we have anything to measure pitch. I know we have some thread micrometers, so I can pick up the size, just not sure about pitch! As far as metal fabrication, I work at a machine shop. I'm an inspector, and have resources if anyone has any questions.
My first pen-style should be here within a few days, and I'll go ahead and get the thread measured when I get it. I might even reverse as much of it as I can and model it for fun. Having a nice set of drawings for them wouldn't hurt. I won't have a 901 for awhile, but when I get one I'll do the same to it. People can also email dead parts and I can do those, if they want.
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I just purchased a set of tools to do just that, from Micromark, called a Thread Gauge, comes in metric or standard. I have a DSE901b, I'll measure the threads just as soon as the tool gets here.
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Ultra Member
ECF Veteran
sounds good josiah, but what do you mean when you say..
People can also email dead parts and I can do those, if they want.
what can you do exactly?
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Reverse the threads. I'm sure someone that already has the parts can tell you the thread size and pitch, though.
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Full Member
ECF Veteran
I mocked up a more reliable battery set-up yesterday using a dead battery with the innards removed and the tube reduced to about 20mm in length.
Soldered a couple of wires to the 'screw' and connected it, via a small push button switch, to a Maplin 3 x AA battery holder - works like a charm.
Whilst in the workshop I also did some electrical & mechanical measurements - results as follows:
Output voltage (off load) of Normal, fully charged 'Classic' battery = 3.9 to 4volts.
Resistance of 'Classic' atomiser, around 4 ohms.
Off load Output voltage of 3 x AA (2500 mA/hr) ni-mh battery pack = 4.1 volts.
On load Voltage, (connected to Atomiser and with button pressed) = 3.9 volts.
Current pulled by atomiser = 1 amp.
I reckon this battery pack will last 3 or 4 days before needing to be re-charged - maybe longer.
There's not really enough male thread on the battery/atomiser connectors to get a real accurate measurement - but I'm pretty certain that it 10mm dia x 1mm pitch (in old money that's 0.393" dia x 0.0393 pitch or 25.4 tpi)
Because there is so little thread I pretty sure that a 3/8" UNF tap & die set will do the trick - thats 0.375" diam x 26 tpi.
Hope this info is of some help.............
Cheers
Barry
"No amount of planning can ever replace dumb luck"
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PV Master
ECF Veteran
1: Put battery in water for 30 minutes
2: Put battery out of water for 30 minutes
3: ????
4: PROFIT!!
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Senior Member
ECF Veteran
omg! Why did I even try this???? On a few of my atomizers I get a fluctuating number (no clue what that means). I tried checking my battery and well it broke it by blowing into the led end (won't be checking any of my other batteries!)...so yeah not a good idea at all.
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Full Member
ECF Veteran
Is it just me? or is every one else totally clueless about the meaning of the last two posts......... 
Barry 
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"No amount of planning can ever replace dumb luck"
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Lol, it gets like that around here sometimes Barry. Just let it go over your head if you can.
Thanks for the useful data you posted, I look forward to hearing more about your progress, photos too if you can get some. Super batteries seem to be a hot topic at the moment.
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Full Member
ECF Veteran
Not much to see at the moment Kate, looks more like an IED than an e-cig at the moment - 3 batteries, an odd looking tube and a switch, all held together with rubber bands - people have been shot for carrying more innocent looking items than this.......
I will post some pictures later - maybe in the UK section.........
Cheers
.
"No amount of planning can ever replace dumb luck"
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