new switch mod for flashlight mods

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mikrosoft

Moved On
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Sep 27, 2009
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Aldington Kent UK
hi like a few people i have put up with the click on click off button on these flashlight mods then ROCKETMAN showed us his take on the switch which was fantastic i made one and it was great but only a few worked for me so meanwhile i ordered some tact switches for another mod but they where the wrong size 12mm in fact so i started playing with them and made a wonferfull solderless switch for the torch mod.

1 ok first work out what tabs do what on the switch. mine where both on one side
2 bend the other side up so they dont short the earth
3 bend one of the other side under itself and make sure it contacts the spring i put a bent bit of metal for good connection
4 the other prong bend flat so that when inserted back into the plastic carrier the old switch was housed is sticking out so it contacts the side of the case when put back in
5 place back into torch end and screw back on the torch and it should work

ps you can also solder this all in place if you so desire hope this works for others

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WillyB

Vaping Master
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Oct 21, 2009
3,709
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USA
hi like a few people i have put up with the click on click off button on these flashlight mods then ROCKETMAN showed us his take on the switch which was fantastic i made one and it was great but only a few worked for me so meanwhile i ordered some tact switches for another mod but they where the wrong size 12mm in fact so i started playing with them and made a wonferfull solderless switch for the torch mod.
I think Rocketman was not only being cheap, he was trying to make a switch that could handle the amp draw, something a tact switch can not do over the long haul. Now if you could squeeze a little mosfet in there...
 

Rocketman

Ultra Member
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May 3, 2009
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SouthEastern Louisiana
Naw,
Just being cheap :)

Rocket


Free is pretty Cheap, don't ya think :)

I don't want to come off as negative to anyone that try's something new.
The small tactile switches typically don't have the current carrying capacity to directly control an atty. The failure mode is usually slow vaporization of the contacts, due to resistive arcing and sparking inside the switch. Most metal contact switches arc. In some that helps to clean the contact area of dirt and crud. In others it increases the resistance which increases the arcing which increases the resistance and, and , and.
Resistance generates heat, the switch gets hot (at the contact interface) and the switch fails. These will most likely fail open. What you don't want is to use an underrated switch and have the contact weld shut and not have enough energy to burn thru the weld and open it up again.
Permanent short circuit otherwise.
Semiconductor devices like diode, and transistors can also get hot enough to fuse the semiconductor junction into a bar of conductive silicon. If there is enough current available then the shorted component will burn open. Component ratings are important in product design.
Also pay attention to the effects of heat on component specifications. The environment inside a mod case is usually much warmer than environmental temperature. Just holding a mod in your hand will raise the temperature to 90 to 94F (not as hot as body temperature). If components are up at the atty connector end, they will get even warmer. Some parts even generate there own heat.
Think about the "heat sink" and where the heat is coming from, and where it is going to go. Just putting a heat sink on a regulator for example might not keep the regulator cool if the inside of the mod is hot anyway.

Enough rambling,

Cheapo out
 
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mikrosoft

Moved On
ECF Veteran
Sep 27, 2009
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Aldington Kent UK
to be honest though rocket that was the last thing on my mind even if i have to replace the switch once a month or so at a quid for 5 i dont mind i have been trying to make a switch that worked for the last 6 months when your free switch came along i made one and it was great still is great and my 12mm tact switches turned up the same day and i suppose you could say it was divine intervention that the tact switch fits the hole perfect lol
 

Rocketman

Ultra Member
ECF Veteran
May 3, 2009
2,649
977
SouthEastern Louisiana
you are correct and easy to replace matters.
You cold even carry a spare cap if you ventured far from home.
It would be a shame to have battery, have juice, have no switch.
I don't think it will fail shorted.

Both variations, yours and mine, have an inherent benefit.
They will blow out the .... end if venting isn't enough.
A hole about the size of the battery.
I also drill a couple of vent holes in the plastic carrier.
If you haven't been back to that 'other thread' lately, I've put up some more info about the
Free Switch.

Vape on

R


Rocket
 
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