That’s not a screwdriver mod…THIS IS A SCREWDRIVER MOD!

Discussion in 'Battery Mods' started by farrar01, Mar 8, 2010.

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  1. farrar01

    farrar01 Senior Member ECF Veteran

    I once posted that “Necessity is the mother of all modding”. I was wrong. Sometimes you build mods just because it’s there to be built. They just sort of present themselves and say “Here I am, come build me”. This is just such a mod.

    I was out in my shop cleaning out an old tool box and came across this old Skill Twist electric screwdriver. It was in a toolbox that had gotten a good dose of Washington winter weather in the back of my pick up (usually referred to as torrential rain). It would not work and had lots of rust and such on it. I was going to just toss it but decided to see if I could fix it instead. That happened long before I had ever heard of an e cigarette.
    [​IMG]

    I came across it in the shop some months later and happened to notice that it had a perfect battery for my stock 901 atty, 3.6 volts and it had its own recharging station. I also happened to notice that it was indeed a screwdriver. The large light bulb above my head came on! HEY, I can mod this sucker!

    I tore it apart and found that it had an awesome heavy duty double sided momentary “on” switch in it. No worries about that one burning out! I also noticed that it had all the room in the world inside it after I removed its motor and transmission. I figure it will hold at least 2 extra attys (carts attached) and a bottle of juice with no problem at all in the motor compartment. Maybe I will get around to modding that section later along with adding the requisite LEDs that should be present on every great mod. It won’t be a problem there is a lot of room in there.

    [​IMG]

    It was an easy mod to do really. I just removed the 4 screws from the screwdriver body, popped the case open, and removed everything that was metal from the switch to the tip. Soldered on a black and a red wire to either side of the switch contacts and attached the other end of the wires to a size N coaxial DC power jack w/switch that you can get from Radio Shack (catalog #: 274-1583).

    [​IMG]

    Then I cut a small circular piece of plastic out of a peanut butter jar lid about an inch around +/-. In the center of the disc I drilled a hole big enough to accept the RCA jack. I used a little J B Weld to hold the RCA jack on the plastic disk. I would have used the supplied set nut to hold the RCA jack but that does not leave enough shank for the atty to make contact with the jacks center pin. Fortunately for me, up at the tip of the case is a slot that was molded into the inside plastic on both halves of the case that the plastic disk slides right into.

    [​IMG]

    I put the two halves of the case back together, attached my 901 atty to the RCA jack, reinstalled the battery and gave it a vape!
    [​IMG]

    Holy Cow, what a cloud! This thing kicked up such a cloud of vapor it nearly choked me on the first hit! With this much battery I really don’t know when I will have to recharge it.

    [​IMG]


    I am on my 4th cart of juice and it is still going strong. Every hit is exactly the same as the first. This is what an e cig should be like! It beats my DSE 905 hands down.

    Pros to this mod:
    Makes an awesome amount of vapor
    Won’t have to worry about the battery going dead very often.
    It comes with a matched battery & charger.
    It’s very comfortable to use while watching TV in my recliner because of its length and big switch.
    Because of the case design it doesn’t roll around on the table.
    It’s nearly indestructible.
    It is a POWER TOOL nuff said.

    Cons to this mod.
    It’s not really practical for travel as it is pretty big.
    It is very thirsty for e juice.
     
  2. jaydawgg

    jaydawgg Full Member

    thats just awesome i got tons of those batteries now to add a juice dispenser LOL
     
  3. gemini2281

    gemini2281 Super Member ECF Veteran

    Several of my family members worked for Skil years ago. My mom worked in the reconditioning center repairing returned tools. When it was deemed that a tool would cost too much to repair she would bring them home since I loved to tinker with pretty much anything. At one point I had a box with about 20 of the Twists in it. I'm gonna see if I can't find it and throw some of these together.
     
  4. farrar01

    farrar01 Senior Member ECF Veteran

    Plenty of room for a juice dispenser in there. I don't think it would be hard to do.
     
  5. farrar01

    farrar01 Senior Member ECF Veteran

    Wow, After reading the new announcement (see post here) about mods blowing up I think I will stick to using my own rig rather than buying a fancy store bought unit. It isn't pretty or fancy but at least I know how this unit is built and what its made from. I also know that the case is not going to short out the batteries.
     
  6. gemini2281

    gemini2281 Super Member ECF Veteran

    How is the battery holding up?
     
  7. farrar01

    farrar01 Senior Member ECF Veteran

    Still going strong. I would guess that I have probably put 6 or 8 carts through it now. Had to stop vapin for awhile after taking the pick of me using it. Its hard to vape and take your own picture. I used up a whole cart before I got it right. A little to much nic at one sitting. lol Should have cut my 18 mg down or used some zero.
     
  8. Tanner S Hyde

    Tanner S Hyde Senior Member ECF Veteran

    That... is RAD! Love it. Powertool PV :)
     
  9. clyde2801

    clyde2801 Vaping Master Verified Member ECF Veteran

    This..is.....vaping!!!!!

    Note: should be in all caps.
     
  10. gemini2281

    gemini2281 Super Member ECF Veteran

    Another battery life update?
     
  11. farrar01

    farrar01 Senior Member ECF Veteran

    No change. This thing is made to drive a high torque motor and tranny. I don't think this little atomizer is drawing much out of it. I will throw a meter on it after while and update you. lol
     
  12. gemini2281

    gemini2281 Super Member ECF Veteran

    Yeah, those batteries would last forever when drawing full pull from the motor. I have torn many of them apart. I am curious to total battery life on a charge. I am seriously considering digging out some of those batteries and modding them into an aluminum body.
     
  13. farrar01

    farrar01 Senior Member ECF Veteran

    I think I am going to stay away from the metal shelled mods. I have had the unfortunate experience of having Li-ion batts go nova on me. It is not much fun. Better to surround them with something that cannot conduct. That way if the shrink wrap on the bats ever gets compromised it isn't going to be a catastrophic event. Looking at some of these burned up rigs, I think that may be part of what is happening. Another part to watch is the RCA connectors like the one used in the mod on this thread. The connectors on the back can slide around and come into contact with each other or if you are using a solder bridge to defeat the switch (inside the RCA jack) you can short the 2 pins out that way. Probably should have included this in my original post now that I think back on it.
     
  14. farrar01

    farrar01 Senior Member ECF Veteran

    Update: Just took a reading with my multimeter, it reads 3.679 volts. That is actually pretty close to what it read 2 days ago if I remember correctly. I'm lovin that! No more chargeing every night.
     
  15. 5cardstud

    5cardstud ECF Guru (Fusionman) Verified Member ECF Veteran

    Supporting member
    That is a great mod. I like it and bet the battery and switch last forever.
     
  16. nicotime

    nicotime Ultra Member ECF Veteran

    Argh argh argh... something Tim "The Toolman" Taylor would be proud of. MAN TOYS....Argh!
     
  17. gemini2281

    gemini2281 Super Member ECF Veteran

    What I love about this is that the battery just pops out of the bottom. Pop out the dead battery, pop in a fresh one, and put the dead one on the charger. If I remember correctly it would fully charge in about an hour.
     
  18. farrar01

    farrar01 Senior Member ECF Veteran

    If you have the right charger, you can just lay the whole thing in the cradle of the charger and there are contacts on the back that will charge it.
     
  19. farrar01

    farrar01 Senior Member ECF Veteran


    It will if I don't wear it out vapin on it like a mad man! lol
     
  20. TWalker

    TWalker Senior Member ECF Veteran

    That is........uh....big



    Doesn't it drive you crazy spinning in your mouth though? jk :)
     
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