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Fast Tech has the Chi You clone, but you need to wait till the end of Feb. to order, Chinese New Year. It's ok has all the adjusting pins I hate the button switch as it sticks. 101vapes has the Turtle Ship Mod. Don't know about the quality. If your looking for a good Manual MOD look at the Magneto. It is Nice and has the magnetic switch for around the same price as both of the clones your looking at.

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Fast Tech has the Chi You clone, but you need to wait till the end of Feb. to order, Chinese New Year. It's ok has all the adjusting pins I hate the button switch as it sticks. 101vapes has the Turtle Ship Mod. Don't know about the quality. If your looking for a good Manual MOD look at the Magneto. It is Nice and has the magnetic switch for around the same price as both of the clones your looking at.

You can actually still order, since it's automated, and even when you are looking at something, it will just tell you in the window "will ship x date because of Chinese New Year."

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Yeah sounds like better pins than I had. The pic shows brass the one sent had aluminum. The pic I posted is a new pic as well. The old pic they had up was a of a real Chi You that has brass pins. LOL Said Clone in the heading, so I wasn't sure what I would get when I ordered.

Nope, no tobacco juice yet, mind you is say Yet ;) I have only found 2 tobacco flavors that are FDA approved for human consumption. I will start with those if I can get a good 555 out them I will.... Want to do an RY4 as well.

Hope to have it open for juice sales sometime today (1/28). Link in Sig. ;)

VVVVVVV

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Just a suggestion... When you get the Chi-You clone it has aluminum contacts and very poor conductivity. Hit the hardware store and grab some SS replacements. I would have got brass but they didn't have the size that fit.

Interesting.

Here's a chart listing the conductivity of various metals.

http://www.kp44.org/electric/ElectricalConductivityOfMaterials.php

Aluminum is an excellent conductor, far superior to brass or steel.

From another site (with a different scale for conductivity, Siemens/m) we get.

  • copper 58.5
  • Aluminium 36.9
  • Brass 15.9
  • SS 316L 1.32
  • SS 304 1.37

Maybe the contacts weren't actually a pure aluminum alloy?

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Interesting.

Here's a chart listing the conductivity of various metals.

http://www.kp44.org/electric/ElectricalConductivityOfMaterials.php

Aluminum is an excellent conductor, far superior to brass or steel.

From another site (with a different scale for conductivity, Siemens/m) we get.

  • copper 58.5
  • Aluminium 36.9
  • Brass 15.9
  • SS 316L 1.32
  • SS 304 1.37

Maybe the contacts weren't actually a pure aluminum alloy?

Or maybe not making good contact? Don't know....

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Or maybe not making good contact? Don't know....

That basically brings up the flawed nature of a switch based on a 2 century old telegraph key. Banging two, unyielding chunks of metal together is far from ideal, especially with DC current (and the arcing that occurs) relying on the user to correctly and consistently supply the proper pressure is asking alot. Without getting into too much detail arcing occurs as the switch is closed again as it is opened. Opening arcing is much more intense with DC. With AC this is much less of a problem. It's this arcing that pits and encourages oxide formation.

Direct-Current-Alternating-Current.png

You can see that AC very quickly flips(does anyone notice their light bulbs blinking?) to a zero state, ending the arcing more or less immediately, not so for DC.

Again long ago when early switches for carrying current were needed the telegraph model was not used.

Here's an early example.

KnifeSwitch_clean_1.jpg

What we see is a sprung clamp that firmly presses against the knife helping to avoid excessive arcing. It supplies constant and repeatable pressure on the 'knife'. It does not rely on the user. We also see that the clamp also does a nice job of cleaning the contact area.

Many modern switch designs incorporate a similar wiping motion.

filesw2.gif

Another.

CherryMXBrown.gif

Although the gif doesn't show it correctly when the two contacts meet there will be some deflection and a minor wiping action. Again no reliance on user pressure.

There also the snap type switches (very reliable) were the user's press simply triggers a spring loaded lever that firmly and quickly 'snaps' the contacts together.

Mech switch users should never go for a light press, even if it seems to work. You'll end up with some bouncing/micro bunching (and hence extra arcing). A firm solid press is best, especially when higher current loads are involved.

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Different aluminum alloys (2024,5052, 6061) all have varying amounts of other elements in the material so that could be part of the explanation of the poor contact, also domestic material vs. foreign material makes a big difference when it comes to the chemical composition so that could also be a possibility. It's also a very soft material and threads made from aluminum are known to wear down quickly which would further reduce the contact between the male threaded screws and tapped hole in the body of the device.

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