robby
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Post by robby on Jan 14, 2013 15:31:51 GMT
It reduces the resistance at point of contact but the vaseline stops somewhere and the resistance starts again so more juice has to be drawn through the whole spring to compensate for the vaselines reduction, Im probably gonna end up eating my hat but thats how it sounds to me? With the constant small movement of the spring against the contact point it is going to keep shifting a smear of Vaselene and therefore keep cleaning that area. The petroleum in the vaseline will do that. That`s why it is used in relay contacts etc, it`s constantly cleaning and also reducing or completely stopping any arcing that may be going on. With the coating of Vaseline it will also stop it oxidating wherever the Vaseline is. I dont know how old you are, but back in the day lol when I got a new torch as a kid, it actually came with Vaseline or another petroleum jelly on the contacts for that very reason, to help the contact, to keep it clean and to stop any oxidation.
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robby
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Post by robby on Jan 14, 2013 15:33:58 GMT
Vaseline is used to protect electrical assemblies after contact has been established..For example you can smear vaseline/petroleum jelly over the battery connection assembly of the car battery after you tightened down the terminals and you had a fully connected circuit. The vaseline will keep the moisture out and protect the assembly from corroding. If you do it before connecting, you'll get little or no electricity flowing through.. Why did we put it on relay contacts then, we did this in the Navy as part of the preventative maintenance programmes.
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Skwoddy
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Post by Skwoddy on Jan 14, 2013 15:36:49 GMT
As I understand it, Vaseline has its place in many applications, eg torches or car batties as Maccafan has pointed out, but in vaping I dont think it has its place, exept for O rings that may become stubborn, im no electromechanical engineer but i understand voltage drop more now than I did.
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robby
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Post by robby on Jan 14, 2013 15:39:33 GMT
As I understand it, Vaseline has its place in many applications, eg torches or car batties as Maccafan has pointed out, but in vaping I dont think it has its place, exept for O rings that may become stubborn, im no electromechanical engineer but i understand voltage drop more now than I did. You are not actually creating a barrier, the Vaseline parts at the point of contact due to it`s liquid type construction, while it is there however it is keeping the contact clean and preventing oxidation.
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Skwoddy
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Post by Skwoddy on Jan 14, 2013 15:45:42 GMT
I think you have a very valid point Robby, and in a situation where oxidization might occur (plenty of times in the navy I imagine), vaseline would come in useful. After seeing the effects of Vaseline and Noalox on a GGTS with a kick regarding little or no voltage getting through I remain convinced it does more harm than good in a Vaping situation. A kick has the same attributes as a Vamos circuitry as far as Im aware regarding under current.
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Post by Gordy on Jan 14, 2013 15:48:04 GMT
the vaseline still creates a barrier ...however thin and as such reduces electrical conductivity dust and dirt is also attracted and held by the vaseline which isnt good either
a simple maintenance program of cleaning contacts with a metal polish will deoxidise and create a far better electrical contact
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robby
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Post by robby on Jan 14, 2013 15:50:01 GMT
I think you have a very valid point Robby, and in a situation where oxidization might occur (plenty of times in the navy I imagine), vaseline would come in useful. After seeing the effects of Vaseline and Noalox on a GGTS with a kick regarding little or no voltage getting through I remain convinced it does more harm than good in a Vaping situation. A kick has the same attributes as a Vamos circuitry as far as Im aware regarding under current. But oxidation is a consideration here, especially on spring metal, it is a common problem with battery devices.I am not talking about a great dollup of the stuff, just a very thin application where you can barely see it apart from the shine it will put on it. It will part at point of contact but will continue to keep the spring and the contact point (on the end cap) clean and prevent oxidation.
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robby
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Post by robby on Jan 14, 2013 15:59:33 GMT
We are gonna have to agree to disagree on this, I think there`s a queue forming lol, like I said, if it was good enough for the Navy on Radio and Radar equipment with their top priority reliability issues, it`s good enough for me. Like I said we are talking about a very thin layer, which will part at point of contact, barely a couple of microns thick probably and nothing at point of contact, not even so much as a smear. It will prevent oxidation and also much of the reaction you get with dissimilar metals which we have here.
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robby
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Post by robby on Jan 14, 2013 16:03:43 GMT
I`ll tell you what, if you have a spring handy , try taking a resistance reading of it, see how the reading can jump about all over the place. Then put a spot of Vaseline on your finger tip and rub it on the top of the spring and the bottom of the spring. Take another reading and tell me if it had made any difference to the steadyness of the resistance reading. I have done it on three springs here today, so I know what your answer will be. Now, why has the reading not gone up if I am incorrect in my reasoning?
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meeee
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Post by meeee on Jan 14, 2013 16:28:02 GMT
On a slightly different note from the Vaseline, I would be surprised if many people would have a multimeter than can Accurately read the resistance of the sping.
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Skwoddy
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Post by Skwoddy on Jan 14, 2013 16:32:35 GMT
As I already said, if a blob of vaseline or noalox can make the difference of a working or non working mod then its all I need, im not gonna argue with a guy that has 40 years of electromechanical experience, but I am gonna go with my experiences, i havent disputed that vaseline has its place in certain electrical applications.
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robby
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Post by robby on Jan 14, 2013 16:35:03 GMT
On a slightly different note from the Vaseline, I would be surprised if many people would have a multimeter than can Accurately read the resistance of the sping. I think there are a few around, the other check of course would be to see if it makes any difference to the heat produced in the end cap while vaping after a quick rub down with a brillo or wet and dry. Who knows?, nothing to lose by trying it
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robby
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Post by robby on Jan 14, 2013 16:37:25 GMT
As I already said, if a blob of vaseline or noalox can make the difference of a working or non working mod then its all I need, im not gonna argue with a guy that has 40 years of electromechanical experience, but I am gonna go with my experiences, i havent disputed that vaseline has its place in certain electrical applications. No problem, do you have a dodgy spring by any chance? If you do you could try the wet and dry or brillo fix. If you arent happy with the Vaseline that`s fine That was actually more to do with getting an accurate reading than anything else, it makes it much easier. There have been so many different readings around the web for it that it really could be oxidation. It could also explain why some people with the big spring dont have a problem.
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Skwoddy
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Post by Skwoddy on Jan 14, 2013 16:41:24 GMT
I did have a dodgy spring in my SS vamo but not the chrome vamo for some reason, its resistance was way too high, replaced it now with a copper hot spring and its cold as ice.
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robby
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Post by robby on Jan 14, 2013 16:42:31 GMT
I did have a dodgy spring in my SS vamo but not the chrome vamo for some reason, its resistance was way too high, replaced it now with a copper hot spring and its cold as ice. I`d love to get hold of one of those dodgy springs. Was your Chrome spring the large one or the small one, mine was the small one.
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