GG Talk!

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Mosin_Sergei

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If you do not have a multimeter, then do this: if you have the wick 3mm., Then do four full turns of wire on each side of R leave of 8-10 mm. (These will be used to twist the ends). You will get a coil of about 1,7-1,9 ohms.
The actual question is with kanthal a-1 36 gauge what length would i need to get a coil about 1.8 ohms.
 

Mosin_Sergei

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You can go even simpler: take a toothpick (of diameter 2.0 mm), making four full turns, add 8-10mm. on each side to twist wire with NR. Then twist the reel - make a direct line and calmly do twist the wire with NR. After doing this on the coil itself wick ...
 

Xaiver

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If you have good contact then no. Electricity will always take the path of least resistance...meaning it will use the no resistance wire when it can.

I've had a situation were my loop back was rather large and not very good so it was higher resistance because that part of the resistance wire in the loop was still being used.

Also through use, depending on your wire the coil will pick up some resistance. Generally .2-.3ohms from breaking in and getting gunked up a bit. I construct all coils at 2.8 ohms as my target is 3ohms. After a few hours they are all generally bang on 3ohms.

My aim is 2.2ohms, and the probes on my multimeter are 0.4 ohms. So I meter the wire out before attaching the 2nd NR wire, and I stop at about 2.5-2.6ohms, but a little longer and then attach the NR. Typically, once it's installed into Penelope, I get around 3.0-3.3 ohms when metering Penelope.

I just re-checked it, been using this coil for about 2 days now and it says 3.1ohms.

It's not really a huge deal, I'm using a VW device, so I could make a 0.5ohm or a 4.5ohm coil and they would put out the same. I'm just curious for incase purposes. If my Kick dies, or my SB bites the dust, then Penelope is going to have to be shelved for a while.
 

Ezkill

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36 is very high resistance. I did buy 36 Kanthal originally but it was too much resistance.

That does sound high I will admit though. I believe I was getting 3ohms resistance for around a 1.25 inch piece.

The 36 Kanthal I have is:

6 gauge Kanthal D resistance wire
Maximum continuous temp- 2370 degrees F / 1300 degrees C
Resistance- 30.9 ohm/ft 102 ohms/m
Wire Diameter- 0.005" / 0.13 mm

30.9/12 = 2.5 ohms per inch. So that seems high for 1.25 inches.

Edit: Asked and answered, I had not reloaded the page and didn't see it was answered. Sorry.
 

RiverNut

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i do have one and can't seem to get an acurate reading. had a 1.25 inch of kanthal 36awg and got 4.4 ohms.

I believe on some of the cheaper ones, you have to subtract what your multimeter leads create. Some do it for you. I would verify your readings but all I have is 32 awg nichrome.

Edit: I checked my leads and it only amounts to .4 ohms so I guess it wouldn't make that much of a difference.

Edit again lol: I re read your previous post. You need a thicker wire for 1.8 ohms. Your reading might actually be right. 36 awg is too high of a resistance wire to be trying for 1.8 ohm coils
 
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