I know i had touched on this topic in a couple of my last posts, but i thought id create a separate topic for it here.

I am currently using a 0-30 volts, 0-20 amps CC power supply. this along with my setup is generating about one extra ohm of resistance that shouldn't be there. the extra ohm is there when i start the process, so instead of there being next to none resistance, causing a low voltage, i have a resitance about 1.6 ohms and a starting voltage of about 13ish (using the 4.5 amps a sq. foot rule)

my last run (which has been consitent with previous runs). i was using 4.5 amps a sq. foot with 1.91 feet, thus 8.6 amps. my electrolyte is mixed at a 3:1 ratio of water to batt. acid (from napa). the connections were extra tight using Ti wire.

ill give more specific numbers and times here:

start

V: 13.3 ohms : 1.54

15 mintues

V: 13.7 ohms: 1.59

30 minutes

V: 13.8 ohms: 1.60

45 minutes

V: 13.8 ohms: 1.60

1 hour

V: 13.8 ohms: 1.60

*at this point the voltage jumped 3 volts to 16.7, i believe this to be the result of a part becoming unattached *

1 hr 15 minutes

V: 16.7 ohms: 1.94 *ohm increase due to not adjusting ampage to reflect a possible loss of surface area

1 hr 30 minutes

V: 16.7 ohms: 1.94

i took the parts out and dyed them, they came out horrible as usual. too light dying, streaks, inconsistent at best.

i had thoguht my problem was due to a CV power supply, but this test only cemented the posisibility that whatever resistance is affecting my circuit is the most likely culprit of my crappy results. does cathode size or condition affect resistance?

i know neo moses was having a problem with inconsistent results, does any of this ring a bell with what was happening with you? Whistule had some problems wiht resistance, but never really ended his thread conclusively.

i really need to solve this, someone please help

I am currently using a 0-30 volts, 0-20 amps CC power supply. this along with my setup is generating about one extra ohm of resistance that shouldn't be there. the extra ohm is there when i start the process, so instead of there being next to none resistance, causing a low voltage, i have a resitance about 1.6 ohms and a starting voltage of about 13ish (using the 4.5 amps a sq. foot rule)

my last run (which has been consitent with previous runs). i was using 4.5 amps a sq. foot with 1.91 feet, thus 8.6 amps. my electrolyte is mixed at a 3:1 ratio of water to batt. acid (from napa). the connections were extra tight using Ti wire.

ill give more specific numbers and times here:

start

V: 13.3 ohms : 1.54

15 mintues

V: 13.7 ohms: 1.59

30 minutes

V: 13.8 ohms: 1.60

45 minutes

V: 13.8 ohms: 1.60

1 hour

V: 13.8 ohms: 1.60

*at this point the voltage jumped 3 volts to 16.7, i believe this to be the result of a part becoming unattached *

1 hr 15 minutes

V: 16.7 ohms: 1.94 *ohm increase due to not adjusting ampage to reflect a possible loss of surface area

1 hr 30 minutes

V: 16.7 ohms: 1.94

i took the parts out and dyed them, they came out horrible as usual. too light dying, streaks, inconsistent at best.

i had thoguht my problem was due to a CV power supply, but this test only cemented the posisibility that whatever resistance is affecting my circuit is the most likely culprit of my crappy results. does cathode size or condition affect resistance?

i know neo moses was having a problem with inconsistent results, does any of this ring a bell with what was happening with you? Whistule had some problems wiht resistance, but never really ended his thread conclusively.

i really need to solve this, someone please help

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