Mrwaylon Posted January 13, 2014 Share Posted January 13, 2014 Hey everyone I have a question for ya. I've been building coils for about 7 months now. Well about 9 months ago I bought some 28g or so they say it is. But my question is this I was watching a video from rip trippers last night about the micro coil on a 5/64 drill bit with 13 wraps I believe it came to 1.5 ohms. Well I did one last night for my trident 5/64 bit wrapped it 13 times did them good and tight and torched it. Well after I done that I checked it with my ohm meter and it said 2.2 ohms. I'm wondering if they sent me the wrong wire?. Link to comment Share on other sites More sharing options...
WillBlack Posted January 14, 2014 Share Posted January 14, 2014 Well here's the resistance. AWG 28: Low Resistance (0.44 ohms/inch) AWG 29 Low Resistance (0.55 ohms/inch) AWG 30: Low Resistance (0.70 ohms/ inch) AWG 32: Low - Standard Resistance (1.1 ohms/ inch) AWG 33: Low - Standard - High Resistance (1.39 ohms/inch) No simple answer. You coil has ~50% more resistance. Using that, your wire has a resistance of ~ 0.66 ohms/inch. Oh well. I don't think it's worth worrying about. Seems you have ~.17Ω per wrap, just adjust accordingly. 9 wraps should get to ~1.53Ω. If you want more wraps use a smaller drill bit. Next batch try some Temco. http://www.ebay.com/itm/Kanthal-A1-wire-28-Gauge-100-FT-0-61oz-Resistance-Resistor-AWG-A-1-/190991728249?pt=LH_DefaultDomain_0&hash=item2c77fe7e79 Link to comment Share on other sites More sharing options...
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