Indulgence Mt-Rta

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John Eldredge

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Anyone planning on wrapping some s/s claptons?? I think it would be outstanding. The only thing is would need to use some small wire, I'm using .025" ss wire, 10 wraps at 3mm Id is only giving me .17 ohms. Might try a fused .020 Clapton and single coil it, I think trying double coils in that might just be too little ohms...
 

John Eldredge

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I have still been evaluating my ss vs kanthal in 2 MT I'm using, the s/s is good but I think I need to get some smaller diameter wire. I do need a little higher resistance, I can take a warm vape, but when u was 5 a waitress served me boiling hot chocolate with a straw and I burnt all the skin off the roof of my mouth. Hot cheese pizza kills me, and repeated warm hits eventually starts to bother the roof of my mouth. So even though I was really enjoying the s/s, it had to go.. I had done 2.5 mm coils, I rewrapped at 3 mm and lots of wraps, 13 lol, the resistance is up, and it's better... Contact coils seem ok with the s/s too!! Not using TC!
 

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ThunderDan

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I'm going to try SS Claptons. I'll let everyone know how it goes. I'm waiting til I get paid again, then I'll put in an order for different gauges/grades.

I'm also thinking you could wrap it in kanthal if needed?
Yeah, I wrap mine with 36g n80.
 
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suprtrkr

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I'm going to try SS Claptons. I'll let everyone know how it goes. I'm waiting til I get paid again, then I'll put in an order for different gauges/grades.

I'm also thinking you could wrap it in kanthal if needed?
Yes, dissimilar wraps are possible. You can buy such wires. If you make the core Kanthal or Ni80, and are careful to unwind the Clapton wrap a bit before trapping the leg in the post, you can gain the resistance of the core only, but the surface area of a Clapton, at the expense of some ramp-up time, as the core wire has to heat the wrap by conduction.
 

John Eldredge

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If you don't unwrap the Clapton, I still would have thought there would be minimal current flow through the Clapton, as the path of least resistance will be through the core. Even if the outer wrap is made of something with less resistance, it is still of significantly higher resistance due to the tiny diameter and length of the Clapton wire compared to the much shorter length and larger diameter of the core. Just a question, not trying to contradict... I think all claptons heat by conduction, whether isolated or trapped in the leads. The only reason I knew of to unwrap is because of post holes that are too small....
 

John Eldredge

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It truly looks like 2 core wires that are just stuck, or fused together. You can see right through the Clapton. It's really weird, but I think claptons work so well because they act like a filter, breaking up the liquid into tiny micro droplets, which you can't detect as liquid, just a dense vape. Watch the way a Clapton emits such a fine pattern when you test pulse your build after its wetted up, before you put a chimney on. I'm currently using UD Clapton wire, and it's pretty decent, but I think the Clapton strands are way too far apart to be ideal. It's good for the cost though... Wrapping Clapton isn't something I'm usually in the mood to d
 

suprtrkr

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If you don't unwrap the Clapton, I still would have thought there would be minimal current flow through the Clapton, as the path of least resistance will be through the core. Even if the outer wrap is made of something with less resistance, it is still of significantly higher resistance due to the tiny diameter and length of the Clapton wire compared to the much shorter length and larger diameter of the core. Just a question, not trying to contradict... I think all claptons heat by conduction, whether isolated or trapped in the leads. The only reason I knew of to unwrap is because of post holes that are too small....
quite correct. Current flow in parallel conductors is inverse to the ratio on their resistance. If one conductor has 90% of the combined resistance, it will carry 10% of the load. But do the math: if you put 50 watts on that example, on a total resistance of .4 ohms, you're actually putting 45 watts on .04 ohms, and 5 watts on .36 ohms. Obviously, 5 watts will barely warm .36 ohms this side of forever, so you're effectively "wasting" 10% of your applied power, and this makes a difference in ramp up time albeit it may not be a great one. There is also the consideration, in TC mode, of "spoofing" the algorithm into thinking it has .4 ohms of TC wire, when it only actually has .04 ohms.
 

John Eldredge

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quite correct. Current flow in parallel conductors is inverse to the ratio on their resistance. If one conductor has 90% of the combined resistance, it will carry 10% of the load. But do the math: if you put 50 watts on that example, on a total resistance of .4 ohms, you're actually putting 45 watts on .04 ohms, and 5 watts on .36 ohms. Obviously, 5 watts will barely warm .36 ohms this side of forever, so you're effectively "wasting" 10% of your applied power, and this makes a difference in ramp up time albeit it may not be a great one. There is also the consideration, in TC mode, of "spoofing" the algorithm into thinking it has .4 ohms of TC wire, when it only actually has .04 ohms.

Suprtrkr- you took what I was thinking and put it right back into terms that make sense. Yes it may be relatively insignificant, but any percent of power wasted is no good... That's really why I love these forums... Btw, is that " super trucker"? What do you drive. I have a heavy duty repair shop and we do a lot of custom fabrication here in Pennsylvania...
 
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