RDA spaced wraps vs contact wraps?
- Thread starter Jim Gary
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Hi Jim, squeezing coils generally eliminates hot spots. If you are new at wrapping coils may I suggest a Coil Master. You really don't need to do anything except wrap, then slide the tool in and out of the coil a couple time to have a perfect coil heating from the inside outward.
And welcome aboard...
Here, check out Super X's video
And welcome aboard...
Here, check out Super X's video
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There are plenty of posts in various threads here on ECF regarding this topic but primarily yes compressed/contact coils will help eliminate hotspots. Other than that, either method is really just a matter of personal preference. You will find different opinions but for me compressed coils offer better flavor, so just experiment with it to determine which method is best for you.
It's done to overall affect the vape. It's simply two different methods in wrapping a coil. Either way requires adjusting to eliminate hot leads and make the coils heat evenly and consistently. Both methods require a little adjusting.
Spacing the wraps reduces "ramp up" time as well. It's really efficient for mech mods. If done properly all of the wraps heat up at once instead of glowing from the inside out. That way, you're not holding in the firing button waiting for the coil to heat up. I like using this method with heavier gauge wire.
I prefer the taste I get with kanthal coils when they are contact instead of spaced. Lately I'm doing temp control where apparently nickel wire has to be spaced to avoid hot legs. I'm just trying titanium wire for temp control hoping to improve battery efficiency with higher ohm coils than is practical with nickel. I read that titanium would tolerate contact coils but my first try was a failure. (Titanium spaced coils from .75 - .90 ohms do seem to be giving me a noticable improvement in battery efficiency compared to nickel but may be not quite as good as kanthal.)
TC is my next thing. I had pulled the trigger on Smok's 160W, but shipping's been delayed so I may just go ahead and bite the bullet on one of the DNA 200 models. Of course, that means I have to be extra nice to the wife for awhile to ensure domestic bliss - not sleep on the couch that is! 
I prefer contact coils. For me they produce better flavor in my builds. I don't like those coil things. I use micro screw drivers so that I can shift the coils left and right and make bends in them easier with the micro screw driver handle. It's all preference though. My friend uses a coil master thingy and it just seems like more work to me.
I got set a of Kuros in a Coilmaster tool kit - which makes me think the "Kuros" are not Kuros nor the "Coilmaster" kit a Coilmaster. I've been using them but I'm ready for some more complicated builds so I guess I'm going to have to go back and practice the old-fashioned way. My attempt at a parallel coil using them didn't work out so well (i.e. not at all) so I guess I'll go get a set of small drill bits and some more wire!
I switched from contact coils to spaced coils about six months ago. I run a mech. The improvement in vape quality and wicking has been fantastic.
If you ask me, people tend to place too much emphasis on spaced v. contact coils. Build it, eliminate hotspots, wick it, juice it, then vape. It's as simple as that. I use both, have never had an issue with either.
I have been building with titanium recently and contact micro coils on my coil master come out perfect. Titanium seems to be perfect for contact coils, great flavor and huge clouds.
I do contacts as for me it's easier to get what I want when wicking with cotton. If I use mesh, silica, etc. I go spaced since I can dry burn to get the hot spots out.
Like they've said above, it's two sides of the same coin. Just build what you like, simple or fancy doesn't matter. If you can build a killer simple coil, you will enjoy it so much more than a poorly made twisted, clapton, parallel, or some other complicated build.
Like they've said above, it's two sides of the same coin. Just build what you like, simple or fancy doesn't matter. If you can build a killer simple coil, you will enjoy it so much more than a poorly made twisted, clapton, parallel, or some other complicated build.
Way back when, contact coils were a way to extract flavor from your juice, especially when using high VG juices. This is what contact coils were devised for.
Huge clouds were just becoming popular so VG>>PG juice became more prevalent, but folks still wanted to extract the best taste from the juice. Higher coil temp, once heated to stasis with the VG, was a way to extract the flavor.
Keep in mind that not long ago if you went sub-ohm, you were a daredevil, and below 0.5 ohm, a flippin' lunatic. So to get higher heat from the coil without throwing current at it, contact coils were a tool. Still are, if you're above ~1 ohm. And you don't mind the spin up time.
Now, people are finding that contact coils simply work better with other more exotic set ups, and use them for reasons other than just raising coil temp.
Personally, when hurling current, I spread those babies out, use the surface area to advantage, and try to get the best of both worlds. IMHO.
And what papergoblin says is Word. Too many people try to play with esoterica before they grasp enough of the fundamentals to consistently build a good, simple coil and working wick.
Huge clouds were just becoming popular so VG>>PG juice became more prevalent, but folks still wanted to extract the best taste from the juice. Higher coil temp, once heated to stasis with the VG, was a way to extract the flavor.
Keep in mind that not long ago if you went sub-ohm, you were a daredevil, and below 0.5 ohm, a flippin' lunatic. So to get higher heat from the coil without throwing current at it, contact coils were a tool. Still are, if you're above ~1 ohm. And you don't mind the spin up time.
Now, people are finding that contact coils simply work better with other more exotic set ups, and use them for reasons other than just raising coil temp.
Personally, when hurling current, I spread those babies out, use the surface area to advantage, and try to get the best of both worlds. IMHO.
And what papergoblin says is Word. Too many people try to play with esoterica before they grasp enough of the fundamentals to consistently build a good, simple coil and working wick.
I can get more use out of a spaced coil before needing a dry burn, for me they don't gunk up as fast
It's funny, I was doing a lot of research on this myself today. Contact coils vs spaced. What I found is, it's seems split right down the middle. When I first started rebuilding I used spaced, then made the switch to contact. After spending the day looking into popular opinion, I decided to stick with contact. Not because I think it's necessarily better, but I'm happy with it, and it works for me. Find what makes you happy, and there you have it!
there alot of factors to take into consideration and personal prefrence. i space my coils when i use larger guage wire. i do 4-5 wrap 3mm 18guage coils and spacing the coils gives me room to get juice in between the coils so i dont burn the wicks and can help with flavor.
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