Q&A: Mesh coils

      3 Comments on Q&A: Mesh coils

What should I do if I am using mesh coils since there is no mesh option?

Better use an ohm meter and meshure it. 😀

Pardon the pun, I couldn’t help myself. Ahem.

The resistance of mesh can’t be calculated like wire, because there are so many different types of it (different wire gauges used, different hole sizes/wire density, etc.), so the only practical way to do it, is to measure the resistance.

If you need to know the TCR, you can select a wire with the same material, and any thickness, in the Wire Wizard. The TCR will be the same regardless, as long as you don’t start mixing and matching materials.

3 thoughts on “Q&A: Mesh coils

  1. Gary Parr

    Hi, sorry for posting this as a comment but I’m not sure how else to contact you. I had an issue with static resistance in one of my RTA decks causing my mod to overpower the coil. After a quick discussion on ECF, I came to the conclusion that adjusting the TCR would allow the mod to compensate for static resistance. I’m not sure if you think a calculator for this would be beneficial to your site, but if you do I have some code I threw together (http://t3.paravantage.com) that I’d be happy to donate to the cause.

    1. Dampmaskin Post author

      Hi. That’s a neat calculator. Are you saying that I’m free to include it on steam-engine.org as part of the calculator suite?

      1. Gary Parr

        Absolutely. It was fun putting together because I liked solving the problem, but I honestly think that anyone who would benefit from the information would be a million times more likely to find it here than anywhere else. You have put together a great resource with this website, so I’d be happy to contribute. You are free to grab the whole thing and copy it over as-is or just grab the JS code as a starting point to integrate into your standard frameworks. Although, I think I have a bug in the script that calculates the temperature effects of altering the locked-in coil ohms so you might want to wait a day or two before pulling anything.


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