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Walt

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Posts posted by Walt

  1. Don't go by the rating on the battery or as advertised.  Use the Mooch search.  Battery Mooch is a battery tester.  He tests just for vaping.  Most RDA's leak from over-dripping.  

  2. First off, Welcome!  

    That is a very interesting scenario.  The "atomizer short" and hot mod bother me.  You should not get that with a .38Ω build unless you are firing the thing for long periods of time.  Forgive me if I mention something that is elementary to you but there are a few bases I want to cover.  

    Did you check the resistance of the atty completely assembled after doing the build?  Sometimes a coil can short out on the inside of the vapor chamber.  

    Did you check the atty closely to make sure nothing is loose?  I have received atties with loose posts which again could cause a short.

    Are you using a good high drain battery(s)?  Your mod is taxing the batteries with about a 10A draw.  You can simply google "Battery Mooch" to find charts of tested batteries for vaping.   

    Once the "atomizer short" and hot mod problem is fixed, I would recommend starting at about 35 watts and then increasing the power until the flavor peaks.  That will be your "sweet spot" for the build in regard to power applied. As you increase power the atty will also produce vapor faster.   As you go beyond the sweet spot, the flavor will diminish and eventually start tasting like a "dry hit".    Depending on the wire you used for the build, 38 watts could be a tad low for a .38Ω build.  Per the 3.76V your mod is showing, the mod is doing an accurate job of applying 38 watts to the atty.  

    Once you get the hang of building and finding the right power for the build, I'm sure you will find the flavor and vapor production much better than commercial coils.  Takes a little experimenting.  

  3. Here's a little detail on mah.

    5000 mah = 5 Ah (amp hours)  if you multiply that times 60 you get 300 amp minutes.  Multiply that times 60 again and you get 18000 amp seconds.  Now, if you are drawing 10 amps from your battery for a three second puff you have just used 30 Amp seconds.  Per that calculation you could get 600 puffs from that battery.  

    And now the rest of the story.

    Batteries are almost always over rated.  Actual mah is lower.

    Batteries get different actual mah life spans depending on how many amps are drawn.

    Mods will only discharge a battery so far.  Average is down to about 3V.  

    A more realistic estimate would be maybe 150 to 200 puffs from a decent battery.  

    If you really want to understand batteries look up Battery Mooch on google.  He tests batteries for vaping and has a lot of information published.  

  4. Not quite what you need.  Mah is a measurement of how much current the battery should hold.  This measurement will help you analyze how long the charge in a battery will last.  It has little to do with how many amps the battery can discharge or calculating the power delivered to a coil.  As @squid mentioned, 35 to 30 watts delivered to a .5Ω coil is a pretty average setting.  There really is no simple way to calculate what wattage to set a mod at.  The best procedure is start with a low wattage and slowly increase that wattage until you find a "sweet spot" for the coil.  Higher wattage will cause your vape to loose flavor and start drying out.  For the most part your mod should be regulated well enough to take care of any math regarding keeping it's battery in a safe operating range.  I'm not real familiar with your mod but I would imagine it will provide up to 7 Volts.  If that is true, you can apply up to the full 80 watts and not hurt the mod.  The vape will probably be terrible as that is a lot of power being pumped into a .62Ω coil. 

     

  5. 2 hours ago, Tam said:

    You couldn't drag me into the stores today regardless of the sales. That said, I do need to get to some store within the next week or so to shop for the angel tree gifts. Good for you for getting some spectacular sales, though!

    All on-line.  No traffic, no crowds, no wasted gas.  Just me and the computer.  

  6. 1 hour ago, mattythornton said:

    81382347abb4c4313b93bf1e4aa4aec4.jpg284073e99cbec9406c1bacd2a663fa73.jpgf52acbef452e227b62b620a11f3dd7f0.jpg

    6380c542d3dbca2a065ff73e7d7982b3.jpg42d27f1ec374e274580977bd387afec3.jpgimageproxy.php?img=&key=13401999546377e7https://uploads.tapatalk-cdn.com/20171124/b7611eaabdc7064e75fed450c6db15a4.jpg[

    Righteo- I'm done playing for the night. Put a few different builds thru both attys. Leaving to for now with just straight 26g 9 wrap Dual on the Athena RTA (3mm ID - meh- tried a couple different ideas on it but I usually need time to learn to build on a new RDA anyways. Can't just look at it ypet and figure what will work best.

    Tried a slightly larger single coil Ni80 fused claptons in the dead rabbit at first but I think running a single straight down the guts puts it too far away the airflow. Went dual spaced and it pumps pretty good

    Oh- quick one- my coilmaster ohm reader seems to be reading around 0.10 above both of my mods (both running Arctic Fox firmware). And ideas? Cheers

    Both final resting builds came in between .24 - .26 ohm. Kinda happy with that emoji2.pngemoji106.png

    And yeah I know there's a couple of wonky wraps on that back fused clapton - it is 3am over here give me a break lol

    Bravo!   Lookin good Captain!  .1Ω is a pretty substantial deviation although it happens.  Not familiar with the Artic Fox but I know the tabs are not supper accurate.  I guess if the Tab is reading a few thousandths low and the mod a few thousandths high it could tolerance stack to .1.  As long as you're not on the edge of what the mod is rated to handle e.g. 0.11Ω and you are getting a good vape, I'm sure you're groovin.    

  7. Wow, nothing like jumpin right in there head first!  .25Ω is probably pretty close to what you will need.   I don't know what all you've done in regard to building and mechs so I don't know where to start.  I don't want to jot down a lot of rhetoric you already know.  .25Ω on a dual coils makes each coil .5Ω.  A single battery delivering the full 4.2V will deliver 8.2 amps to each coil or in other words, each coil will dissipate a little over 34 watts.  That's not too bad of a match up as long as you don't go too insane with the coil i.e. too exotic and bulky.  There are those who would say you are on the line pulling over 16A from that battery, but I personally don't see a problem with it.  Just use common sense and keep track of how warm the battery gets.  You don't need to be afraid of the things, just check and double check your resistance with the atty fully assembled.  Keep the mod clean.  If the mod starts heating up anywhere, inspect that area of the mod for dirt, carbon build up etc.  That heat will be pointing out a high resistance joint.  My favorite flavor builds remain to be a two core parallel Clapton.  I was surprised to see a recent youtube video that confirms that build per "wind tunnel" tests.  The air really hugs that configuration of coil if it is hitting the coil from the side.  Contrary to popular practice, the video indicates a direct hit on the coil rather than underneath.  Obviously nothing beats just trying different things on a particular atty.  Hope this gives you confidence.  I really sense you have the situation in hand.  

  8. 2 minutes ago, mattythornton said:

     


    Funny you came up with a neat little rap. I came up with a few lines of fire last nigh. But quite random. I did just get out of hospital and heavily medicated straight back I to night shift...

    "Have the seen the new movie, starring Whoopie Goldberg and Bruce Lee, I think it was called "excuse me", 2 hours of them both sneezing profusely"

    Yeah I should probably lay off the medication while operating heavy machinery...

     

    Yikes!  Hope all is well.  And yes, you probably should.  You're a keeper with all the good recipes!  :lol:

  9. 2 minutes ago, Mike said:

    I used to make an apple pie juice from a recipe I got from kitsune years ago.  I'm gonna look up a few different recipes for that and use my own judgement.  Apple pie is one of the few flavors I like.  My own favorite is fluffernutter -- peanut butter, marshmallow.   (It's a New England thing).   

    My mother always made fuffernutter cookies.  She seemed to think they were a German thing.  Sounds good regardless.  If you would like to share the recipe I'm sure nobody would mind.  Hint...hint. 

  10. 8 hours ago, MRSpivey said:

    I personally really like the VOOPOO DRAG (I know... the NAME!). It has performed very well, built very well,  and stands up to the abuse of daily use. It's a dual 18650 Mod that gets good battery life too.

     https://www.fasttech.com/products/0/10034168/7472200-authentic-voopoo-drag-157w-tc-vw-apv-box-mod

    Another Mod that I really have come to like is the Geek Vape Aegis. It's a single 18650 or 26650 Mod that is very close to being indestructible. 

    https://www.fasttech.com/products/0/10037837/8211000-authentic-geekvape-aegis-100w-tc-vw-apv-box-mod

    The VooPoo's are build like tanks.  A friend got a VooPoo Alpha One.  Nice unit.  

  11. That's hilarious.  I love it!  The smurf cakes are fantastic!!!!  Workin on my first 120ml batch right now.  I screwed up the other day and left my vapin "day bag" at home.  Bought a little commercial juice to get through the day.  Yuck!  How did I ever vape before dyi?  I've come to realize with friends like you I'm spoiled.  We're pumpin out some premium vapes dude! 

     

    We be da elite!  Ya  Dat wat we be!  You don't be vapin till ya vape like me!  Grampa Walt's vape rap.  Move over Rip Tripper!  

  12. 1 minute ago, Valentino said:

    hiii im valentino 27y/o from arizona, im new here and to vaping as well. normally i will have 2 packs of cigs for 1 day until recently ive diagnosed with streptococcus pneumoniae and my doctor recommend me to stop smoking. now its been 1 month since the last time i pick up a ciggie and ive never been this proud all my life. i really want to start a healthier life and i hope everyone here will help and support me through my journey. peace! :innocent:

    Bravo!  and Welcome!  This is the place to draw from the experience of other vapors for sure.  

  13. Never had heartburn from different ratios of e-juice myself.  As per flavor, PG is said to carry flavor better.  I dyi and make different blends for different ratios of PG/VG so I can't really attest to the difference.  You can certainly dilute an e-juice and try it but you will also be diluting the overall concentration of the flavor concentrates.  If you have 60ml of 70/30 that means that you have 42 mills of VG and 18 mills of PG.  You could add 24 mills of PG and have 84 mills of 50/50.  You will have also diluted your flavor concentrate by 28%.  Might end up with a pretty wimpy tasting vape.  

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