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Micro coils and ohms description

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by , 03-27-2014 at 05:44 PM (290 Views)
Quote Originally Posted by nerak View Post
This thread is for posts giving information on wire gauge used, number of coils, and ohms.

I have read every thread on here about the RM2 and other RBA's.

Since a lot of us are using the Micro coils we have been experiencing lots of questions.

Wanted this thread so everyone has a place to see what is being used and can decide what wire to buy. Also so they can have an idea of how many wraps to do to get the ohms they desire.

Please keep conversation to a minimum so people can quickly scan posts.



Please state your experience as follows:

Wire Type & Gauge:
Coil size (what you wrap it on):
Number of Coils:
Measured Ohms of coil:


Feel free to post multiple combinations! Some may like the low ohm and some the higher.
Thanks in advance to all who contribute!!


What we have so far:

26 Gauge


Wire Type & Gauge: 26g Kanthal A-1
Coil size (what you wrap it on):1/16 drill bit
Number of Coils: 11
Measured Ohms of coil: ~.75ohm

26 ga. Kanthal A-1
8 wraps
14 ga. needle,
Ohms .9

wire: 26g Nichrome (= 25g Kanthal)
size (ID): 1/16" drill bit
# wraps: 8
resistance: 0.5Ω

wire/ 26g kanthal
coil size/ 16g blunt tip needle
wraps/ 8
Ω/ .6ish

Kanthal A1 26 awg
Wraped on .055" music wire
8 coils @ .7Ω

wire: 26 gauge Nichrome
size (ID): 1/16" Drill Bit
# wraps: 12
resistance: 0.9 ohms

26 AWG Nichrome 60
8/7 wraps touching
1/16 drill bit (micro coil)
0.5 Ω

26 AWG Nichrome 60
7/6 wraps touching
16 gauge blunt needle*
0.9Ω

26 ga. Kanthal A-1
8 wraps
14 ga. needle,
Ohms .9

27 Guage

wire: 27ga Kanthal A1
size (ID): 17ga blunt tip luer lock needle
# wraps: 14
resistance: 1.26 ohms

28 Gauge

Wire Type & Gauge: 28g Kanthal
Coil size (what you wrap it on):toothpick
Number of Coils:10
Measured Ohms of coil: 1.4

Wire Type & Gauge: 28g Kanthal
Coil size (what you wrap it on): 1/16 drill bit
Number of Coils:9
Measured Ohms of coil: 1.4

Wire Type & Gauge: 28g Kanthal A-1
Coil size (what you wrap it on): 2mm diameter screwdriver
Number of Coils: 9
Measured Ohms of coil: 1.2 ohm

Wire Type & Gauge: 28g Kanthal A-1
Coil size (what you wrap it on): 2mm diameter screwdriver
Number of Coils: 6
Measured Ohms of coil: .9 ohm

WIRE: 28g Kanthal
ID: 1/16"
WRAPS: 7/8 x 2
RES: 0.5Ω
. . . (1Ω/ea)

wire: 28g Kanthal A1
size (ID): 1/16" drill bit
# wraps: 12
resistance: 2.1Ω

28AWG Kanthol
5/64" machined cylinder (.0005 runout, overkill)
7.5 wraps

Wire: 28swg kanthal A1
Coil Bore: 1.5mm
Number of Coils: 5 + long tails
Ohms: 0.76

Wire Type & Gauge: 28g Kanthal A-1
Coil size (what you wrap it on):16 gauge needle
Number of Coils: 7/8
Measured Ohms of coil: ~1.0ohm

Wire Type & Gauge: 28g kanthal
Coil size (what you wrap it on): 1/16" drill bit
Number of Coils: 11
Measured Ohms of coil: 1.5 ohm

Kanthal A1 28 awg
1/16 drill bit
10 wraps
1.2Ω on rm2


28 ga
8 wraps
1/16" drill bit
1.0 ohm

Kanthal A1 28 awg
Wraped on .0625" (1/16") music wire
10 coils @ 1.2Ω

28 AWG Kanthal A1
5/4 wraps
1/16 drill bit
0.9Ω

29 Gauge

WIRE: 29g Kanthal
ID: 1.5mm (.0589")
WRAPS: 7/8 x 2
RES: 0.6Ω
. . . . (1.2Ω/ea)

30 Gauge

Kanthal A1 30 awg
Wraped on .0625" (1/16") music wire
12 coils @ 2.2Ω

Kanthal A1 30 awg
Wrapped on .047" music wire
16 coils 2.6Ω ea, total 1.3Ω

Kanthal A1 30 ga
~1/16 jeweler's screwdriver
11 wraps
1.82 ohms

Wire Type & Gauge: 30g Kanthal
Coil size (what you wrap it on): a heavy paperclip leg that's about equivalent to a 16g needle
Number of Coils: 10
Measured Ohms of coil: 1.8

Wire / 30 ga kanthal
coil / size "ID" 1.96 mm "screw driver"
Wraps 7
1.6 ohm

Wire Type & Gauge:30g Kanthol
Coil size (what you wrap it on):1/16 drill bit
Number of Coils:9
Measured Ohms of coil:1.6

Wire Type & Gauge: 30ga kanthal
Coil size (what you wrap it on): Doubled-over 3mm silica
Number of Coils: 4
Measured Ohms of coil: 1ohm

30 ga Kanthal
~1/16 screwdriver
11 wraps pulled really tight while wrapping
1.78 ohms

30 AWG Kanthal A1
13/14 wraps on 1/16 drill bit
Cotton wick
2.5Ω

Wire Type & Gauge: Kanthal 30g
Coil size (what you wrap it on): Supe's 17g needle (Thanks Supe!)
Number of Coils: 10
Measured Ohms of coil: 1.9

wire: 30ga Kanthal A1
size (ID): 16ga blunt tip luer lock needle
# wraps: 12
resistance: 2.3Ω

32 Gauge

Wire Type & Gauge: 32g Kanthal A-1
Coil size (what you wrap it on):Tiny screwdriver, roughly the size of a 16 gauge needle
Number of Coils: 17
Measured Ohms of coil: ~3.0ohm

Kanthal A1 32 awg twisted 2 stands
Wrapped on 1mm Ekowool with .039" (1mm) music wire core
8 coils, 1.1Ω

Wire Type & Gauge: 32g kanthal
Coil size (what you wrap it on): 1/16" drill bit
Number of Coils: 10
Measured Ohms of coil: 2.4 ohm

Wire Type & Gauge: 32g Kanthal
Coil size (what you wrap it on): my trusty paperclip leg
Number of Coils: 14 or 15?
Measured Ohms of coil: 3.8


Wire Type & Gauge: 32 gauge twisted
Coil size (what you wrap it on): round wooden toothpick
Number of Coils: 6
Measured Ohms of coil: 1.4

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Comments

  1. Kropotkin's Avatar
    This is very interesting - thanks!
    DetraMental and Andrew H like this.