Lead wire or bridge wire? For lead wire I prefer “shooters wire” because it strips easily with just my fingernails and zips apart easily. https://aeroconsystems.com/cart/nichrome-resistance-wires/shooters-wire-2-conductor-22-gauge/What size of wire do you use for your igniter/initiator blanks?
Great photo. I have a bunch of 18 gauge shooter wire I got in an auction. I might use it for big motors.I use 24-gauge "shooters wire" for smaller motors (G-I mostly).
For larger motors I used 22-gauge solid twisted pair... it flexes less when installing into the core.
For really big motors I used solid 18-gauge "thermostat" wire. Thick brown jacket, very stiff. No support "stick" needed.
View attachment 468728
Terry (Prfessr) gifted me a sample of his super thin magnet wire (thank you!). Not sure what the gauge is, but that stuff is super thin. For me I need the magnifier on my helping hands just to remove the insulation (with fine sandpaper) and have yet to attach nichrome.Ematch wire is 22 gauge solid. I use 30 gauge wire wrap wire for small igniters (13 and 18 mm Rx) They easily fit a .06" nozzle. I haven't found anything that will fit a .016" nozzle (end burning Micro-Maxx motors). Could get a full 1/4A with composite propellant (1/4A.3-3)
I have a crapload of 26 and 28 gauge kynar wire to use for igniters. It is small enough for every igniter use I can imagine.Terry (Prfessr) gifted me a sample of his super thin magnet wire (thank you!). Not sure what the gauge is, but that stuff is super thin. For me I need the magnifier on my helping hands just to remove the insulation (with fine sandpaper) and have yet to attach nichrome.
Here's a link to an example of 38 gauge wire that for sure would fit into an 0.016" nozzle. It's stated diameter is "0.0048 (with insulation), 0.004 (no insulation)"! https://www.amazon.com/TEMCo-AWG-Copper-Magnet-Wire/dp/B00LV90W6Q/ref=sxin_9_trr_310354011_2?cv_ct_cx=magnet+wire&dchild=1&keywords=magnet+wire&pd_rd_i=B00LV909HI&pd_rd_r=d4947656-6347-4076-be50-74a8f02b0d16&pd_rd_w=J97H0&pd_rd_wg=FoOFO&pf_rd_p=9e83fe05-f489-4685-b4af-0db60cbe7c15&pf_rd_r=7C59X996HB05K3X1B1H4&qid=1623816392&sr=1-3-5519553e-2baa-451e-af83-b0156e5c6669&th=1&tag=forumyield-20
If that 38 gauge wire is somehow too thick for ya, I also saw a 42 gauge roll that's 0.0026" in diameter unstripped. A 1-lb roll is 9.5 miles long and costs $30, and should be enough for a few igniters (if you can find them again after you build them). That's about as skinny as the thinnest human hair. https://www.amazon.com/Remington-In...gnet+wire&qid=1623816978&s=industrial&sr=1-30
Now that 42 gauge wire, even doubled-up, could probably fit up a mosquito's backdoor!
(they also sell an 80,000 foot 1-lb roll of 44 gauge...$37).