Or maybe people aren't paying enough attention to the Ohms that are listed on the calculator now, like in your example of the 10 full wraps at 1.76Ω, and 11/10 half wraps at 1.85Ω, and not seeing that 10.23 wraps would give 1.80Ω, or maybe not realizing what that means.
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10.23 wraps could actually be attained by making that number of wraps and bending the leads from there to accommodate the posts/terminations. As long as the lead lengths are short to the posts/terminations (no longer than necessary), the resulting Ohms should be very close to what was desired when entered into the calculator. Setting the "
Leg length (total)" will also change the 10.23 wraps to something else, up or down.
Personally, I have been getting Ohms that read what I was seeking on my Sigelei ZMax, Smok ZMax, and others, with some Mods reading a 0.1Ω difference when testing the same Coil/s and Tank (or RDA). The Ohm reader doesn't have the same accuracy from one type of Mod to another, or probably even between one brand of stand-alone Ohm Reader to another.
When building, I leave my microcoils on the drill bit I use to wrap them, then hold them tight by the coils on the drill bit, keeping the leads where they exit, while manipulating the position to mount them, and then mount them before they can spring loose and change the ohms. Then, if they are for a dual coil setup, I glow burn them, one at a time as I make them, while mounted in the posts of a rig I made and squeeze with pliers until they glow from the inside to the outside like they should. They maintain shape after that, for where they will be used. For my AGA-T2s with a single microcoil, I mount them, glow burn, and squeeze them in there. When mounted as dual coils where they will stay, I glow burn and squeeze them again, and wick them with whatever I'm using... generally organic cotton.
This may sound like more work, but I get great coils that last a very long time. And I can make coils in batches for later. I use the coil glow burn rig to make coils for friends, or when I need dual coils. I made this rig because my tanks are usually full of juice, and I don't want to tear out a good coil and wick when I need to make coils for friends, or dual coils for myself.
If anyone wants to look into making one, send me a PM. I didn't take pictures as I made it, but I can tell you how I did it and what I used.