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electro1622
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electro1622

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Hi Brad
If you irrigate a cutting wheel on your grinder etc with water, you can grind ferrite without too much trouble.This will let you modify a ferrite ring easily to leave room for a wire coil. If you were able to fix those dental hand motors I sent you, you could get diamond bits which chew through the ferrite no problem.Pretty cheap as well.I did a video showing this a while ago.
https://www.youtube.com/watch?v=OM9OX8YDBg0
In this video I shape a ferrite rod. hope this helps.
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electro1622

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you get a much better result using copper sulphate solution..power needed is 1v  @ 120 milliamps for about 8 hours for 1/2 mm thick plate. I did a video showing results.
https://www.youtube.com/watch?v=7duCWRhWUTc
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electro1622

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Are these guys blind..??? ...there are 13 arrow heads, not 12..
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electro1622

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here is a link to the mushroom video
https://www.youtube.com/watch?v=O06RHrNsl8I
and I bring the eggs with me, I don't climb trees and steal then from birds..lol..lol.
PS...with the mushrooms, it's best to go just after the rain..
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electro1622

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LOL...taps that are crappy and just happen to be made in china...lol...I'd like to see taps which are good quality made in china..lol..everything made in china is the worst quality you could ever get...I refuse to buy anything at all if it's made in china..learnt that the hard way..
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electro1622

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LOL..that's fishing dood..some times you win some times you don't..sent you a p.m. with ph. number.
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I knew I would misplace it by the time I got to syd .. lol ... heres mine .. 0459913244 ... its all over the web anyway .. shoot me a text or call me .. I just dropped off the trailer in padstow and headed to film in the city .. bridge etc ... hopefully you have some spare time and see this
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electro1622

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Under the microscope, the crown looks like it was forged, this would explain the hardness as well.
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electro1622

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nice electropolisher..if you sort the solution and amperage, you should be able to get a shine in that object as well as strip the gold..
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you have to buy it..contains cyanide of some sort so is a little hazardous..you can get it at jewelers supply company's..gold plating solution is different to stripping solution..plating solution has gold in solution in ionic form and is sold with a particular weight of gold per litre. so is not that cheap, but it goes a long way.
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electro1622

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here is another good test..if you notice, this guy's nylon print is pretty clear.
https://www.youtube.com/watch?v=cdn0YFoTZtM
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+electro1622 yeah, that's a good one, one thing to note is he was using Nylon 645, i'm using nylon 618. so its hard to compare that one. and there was no data attached to that video. so I'm not sure of its temp / speed / nozzle OD. ECT. ! thanks! ~Russ
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electro1622

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Vacuum should really only be used when mixing and vibrating. The reason is because it reduces air getting mixed into the mix while mixing, because there is less air in the vessel to mix in...as you know, vacuum makes air bubbles get bigger, so unless you vibrate as well there is little advantage.Vibrating helps get air bubbles to the surface. Setting should be under PRESSURE ( about 2 bar)..this makes air bubbles smaller, so the end result is more dense... vacuum mixing and pressure setting gives a far far better result than just vacuum mixing. You can vibrate by having an offset weight on a drill and touching the edge of our "mold" while spinning the drill.
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electro1622

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electro1622

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lol..Mutton dressed as lamb....
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