As previously mentioned, I have the same mod and wire as you (though I prefer 24g as it resists deformation better than 26g when rewicking rayon). I have a dual 22g build on the Velocity and a dual 24g build on The Kennedy 24. Ti works flawlessly on the Sig 75W TC and those two big air RDAs so long as you properly establish your offset temps. Do not give up on Ti and its advantages over nickel builds. See TC beyond Ni200.I don't think it is meant for Ti as far as I have read.
What that guy with the same mod as yours saidCurrently vaping on a Sig 75W TC w/ dual 24g Ti @ 0.13 ohms. Firing 70/30 at 60W to a preset temp of 360F on rayon wicks. 360F Ti = 470F Ni2000. See the Equivalents section on Wire Wizard. Ti absolutely rocks on the Sig 75W TC, so long as you properly establish your offset temps. The only issue with Ti is its relatively low resistance (e.g. current draw at 0.15 ohms is 20A @ 60W). The current limit of the Sig 75W TC is 25A, meaning a dual coil build at 0.12 ohms being fired at 75W is the maximum safe startup it can handle.
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