Just For LM2596 Users

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Quigsworth

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LOL I promise I won't, I'm already placing an order for a 10 pack and more voltmeters, more exotic woods etc. I just know I'll have a bunch of jealous vaper friends

Careful, that's a slippery slope...then your buddies "borrow" your new mod and never give it back :laugh:
 

Foxman

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OK VV Guru's. I made my first attempt at a VV Mod, and it actually WORKED, lol. A freind wanted a VV Mod for work and wanted a Auburn box. So even tho I'm a BAMA man, I broke down and made it for him, lol. It's actually easier than I was thinking it would be seeings how I never attempted one. Thanx to help from Quigs, I'll be doing another for myself with hid 2596. Might even step out on a limb and include a LED for it, lol Now let the Mod PORN Begin, lol
S4022170.jpg S4022177.jpg S4022178.jpg
 

Quigsworth

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Awesome first attempt!...I do have one concern, by covering the reg with what looks like silicon you aren't giving it a chance to shed heat...LM2596's are a switching reg and don't build a lot of heat like the old school linear regs do but it may become an issue if you really drive it...I'd think about taking the silicone off the top components (you can still put some silicon on the back of the board to "glue" it in the box...
 

WillyB

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IDK, looks like you have your fire switch on the OUTPUT. Wrong place. The switch needs to be on the INPUT.

And all that gunk in there. If you ever looked at any of the mods made by decent modders you'll never see the insides gooped up like that. Never. These assemblies are only about ~75 - 80% efficient at the volts we use, so that other 20 - 25% will have to end up as heat, which needs to be dissipated. Almost all the eBayers selling these assemblies talk about heat sinks if you want more than 2A outta them. You have gone in the opposite direction.
 

Rader2146

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I would also ditch those batteries and opt for a pair with a better performance record, especially when stacked. The ____Fire batteries have too much variation to run with confidence in multi-cell applications. Check Orbtronics for the 2900 or 3100mAh protected cells or the hybrid Panasonic GCH18650 cells. Those cells are, IMO, top of the line and a great price to boot.
 

Quigsworth

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And all that gunk in there. If you ever looked at any of the mods made by decent modders you'll never see the insides gooped up like that. Never.

Really?...You do remember the fact that this was his "first attempt" right? cut the guy some slack, give him some props for the attempt, he built, learned, gained confidence, and will tackle the bugs one at a time...his next one will only get better...I'm sure Foxman (or anyone else for that matter) level of enthusiasm to post his/her next mod has been heightened greatly by that kind of condescension.:facepalm:
 

Foxman

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IDK, looks like you have your fire switch on the OUTPUT. Wrong place. The switch needs to be on the INPUT.

And all that gunk in there. If you ever looked at any of the mods made by decent modders you'll never see the insides gooped up like that. Never. These assemblies are only about ~75 - 80% efficient at the volts we use, so that other 20 - 25% will have to end up as heat, which needs to be dissipated. Almost all the eBayers selling these assemblies talk about heat sinks if you want more than 2A outta them. You have gone in the opposite direction.

Thanx Willy, I took out the stuff on the top and middle before taking it to him tommorrow.
 

BJ43

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To each his own. I like my trigger switch on the output, since all my mods have meters, you need current to the board to read the meter. PITA having to press trigger switch to adjust voltage and read meter. For those that consider meters overkill or useless putting the trigger on the input is the way to go. The 27 VV mods I have made with the LM2596 all trigger on the output and they all still work. Doubt the little drain really effects the battery life.
 

Quigsworth

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Here's my reasoning for switching the output, feel free to debate it, I love a good "constructive" discussion :)

Aside from post update warm re-boots, I leave my computers (I have 6 in my house) either on or asleep...I can count on 3 fingers how many times I've "cold started" my high end gamer machine in the last 6 months (to clean and re-seat bus cards and cables)...thermal stress on PC components is a killer...any energy savings is quickly wiped out when you have to replace a $400 video card :mad:

By switching the input on these regs you are "constantly" subjecting the little guy to inrush current causing thermal stress every time you hit that fire button...you are shortening it's lifespan significantly...ok, sure, they cost $2 so meh but you still have to put your mod up on the hoist, pull the reg out, break/make connections, bla, bla, bla...just to save "maybe" a cumulative 5-10 mins. a week in batt life???...I just want to vape...

I'm going to go as far as to "suggest" you switch the output, switching the input to gain runtime just doesn't pass the cost/benefit analysis test IMO...our batts are rechargeable remember? :D
 
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