Kr8 + 6v mod = my lip getting shocked

[goonie]

So I finished a magnum/detonator style mod last night and I'm noticing that my lip is getting "shocked" when I touch it to the exposed metal of my KR8 carto....

It feel like licking a 9v battery, and I really don't like it . Is this problem due to my mod? Is anyone else experiencing this? Is there a way to remedy it?

THanks!

 

[CaSHMeRe]

Interesting .... The exterior of your carto or atomizer for that reason would be your grounding source, and should be completely isolated via the silicone gasket in the atomizer. has this happened with other cartos/atomizers as well?

 

[goonie]

Well it only happens with my 808 .. My 901 and 510 attys are fine due to the cart being completely plastic.

The 808 carto "wrapping" is kind of cheap and flaked off so some of the underlying metal is exposed. A moist lip is all it need to send a shock.

How does the silicone gasket/washer create isolation? My mod is metal, my adapter is metal, and as far as I can tell, the casing of the carto is metal ....

 

[DaMulta]

I would say it's a bad cartomizer.

I've even been using them without the wrapper on them and have not seen this issue.

 

[Scottbee]

The outside of the carto is always at the same potential as one side of the coil. It's not insulated at all.

I'm not familiar with the mod.. got a link? Sounds like some metal component on the PV is attached to one side of the battery and the "ground" of the cart is attached to the other (polarity reversal). That can't happen on a traditional PV since they have a metal body that creates a common path to the carto body.

P.S. I read your post again... is this a "detonator" style where the carto connecter is potted in epoxy? If so... you probably have the polarity on the connector reversed.

 

[goonie]

Hmm .... U know I took an older detonator apart (which wasn't working) - and matched the wiring setup to my new mod. Instead of a momentary switch - I created a "tilt" switch that completes the circuit, by touching the circuit board to the ground.

I wish I could explain it in better terms but alas I'm no EE major.

So Scott - you're saying that by wiring it the opposite way, it still functions - but the result is that I get shocked?

I didn't use any epoxy btw. This flashlight is a little bit bigger than the orignal magnum, and uses a metal threaded ring inside the casing to complete the ground on the circuit board (if that makes sense)

 

[Scottbee]

So Scott - you're saying that by wiring it the opposite way, it still functions - but the result is that I get shocked?

If the cartomizer connection is electrically isolated from the metal body (or whatever part your hand/finger touches), and you wire them to opposite polarity.. then yes, you'll get a slight shock. But it can/will still function.

The outside of the carto connector and the body of the PV must be wired to the same side of the battery (usually "-").

 

[goonie]

I think I did it correctly ... the outside connection of my atty is wired to the outside connection on the circuit board (which makes contact with the body). Negative to negative right?

Will flipping my batteries in backwards solve this problem?

 

[Scottbee]

Do you get the shock while the atty is energized... or when it is off?

P.S. I already know the answer.... ;-)

 

[goonie]

#2 mr house

 

[Scottbee]

#2 mr house

Yup..... Ur screwed. Sorry. If you have a circuit that breaks the connection between the outside of your main body and the outside of the cartomizer, you will get shocked. If you reverse the connections to the carto connector you'll get shocked when it is ON. Right now you get shocked when it is OFF. Reversing the battery won't fix this either.

The "correct" way to do this is to have your switch break the connection between "+" pole of the battery and the center pole of the carto adapter.. and have the "-" side of the battery hard wired to the outside of the PV body and the outside pole of the carto adapter.

I realize this will be a hard change to make based on your mechanical configuration.

The way you have it is not a problem if you were using an atomizer since the mouthpiece is an insulator. But.. a cartomizer has a conductive mouthpiece.

The easiest solution is for you to take a cartomizer condom, put a hole in the middle of it and slip it over the end of the carto.. making an insulated mouthpiece. Or pop the white cap off and use a cut-down 901 whistle tip on the carto.

Sorry.

 

[goonie]

HAHA ... thanks for the knowledge man appreciate the help! I'm a scott too btw .. scotts rule!

 

[Scottbee]

Hang in there brother. I miss the days out in Pasadena. Camping out all night, dodging the law, so we could watch the parade.....