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Thread: Kromrey Disclosure - Bedini SG - Beyond the Advanced Handbook by Peter Lindemann

  1. #251
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    Hello Faraday88,

    Now with being retired, kind of, I look forward to getting back into my Bedini stuff that stopped few years ago because of funds. I do part-time work at SoundsClassic.com if anyone needs to fix their vintage audio equipment or restore it to near new condition. Even my boss is interested in Bedini stuff after telling him about it two years ago and wants to see what I am working on because he want's to make the same thing, and probably then get rid of me afterward.

    My boss collects vintage audio equipment and he has a Bedini power amp with one blown channel; need to know what the output trans are? Still looking.

    I'll be back...

  2. #252
    Senior Member Faraday88's Avatar
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    Quote Originally Posted by rdvideo View Post
    Hello Faraday88,

    Now with being retired, kind of, I look forward to getting back into my Bedini stuff that stopped few years ago because of funds. I do part-time work at SoundsClassic.com if anyone needs to fix their vintage audio equipment or restore it to near new condition. Even my boss is interested in Bedini stuff after telling him about it two years ago and wants to see what I am working on because he want's to make the same thing, and probably then get rid of me afterward.

    My boss collects vintage audio equipment and he has a Bedini power amp with one blown channel; need to know what the output trans are? Still looking.

    I'll be back...
    Hello Sir!
    Its a delight to hear about the kind of efforts that you are putting into all this...
    I always considered it a privilage to learn for the veterans.. please do share us your experiences with anything that brings a contributing brick to this forum..
    about the output Transistor i would request Aaron to chime in case if he knows about it..
    Best Regards,
    Faraday88.
    'Teaching can endure a quest for knowledge..but Learning solves an anomaly'

  3. #253
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    Quote Originally Posted by rdvideo View Post
    Yes I did from 1978 to 2010. I was not in the military, but I did my part to help protect the US and allies by applying my expertise in electronics to help are troops do their work and come back home, hopefully. We try are best at giving the best electronics to are military and I enjoyed working there in engineering where I learned so many ways of doing things from audio to RF, analog to digital and so on. Even played with lasers that can punch a 1" hole through fire brick like a hot knife through butter.

    Time to start thinking more seriously about a simple battery swapping circuit. One thing that makes it easier to do is a software program that I learned about at Northrop Grumman was Multisim 11.0 by National Instruments. Here you can build the circuit you want by making the schematic of your circuit, analog, digital, RF, transformers, even tubes and much more on your computer and then use virtual test equipment so you can see how your circuit works! Cool stuff, but one problem is that it costs now about $8000 for both programs, Multisim and the add on program that will make the circuit board traces for you, just print and make. I was lucky to get a copy of the program, some benefits when working for a defense contractor and I also have the student version of it too from my schooling. The program is now at version 14.0 that I have.

    Otherwise, why do you ask? Curious...
    $8000 for software? Ouch!
    That kicks most of us back to an Arduino or discrete components.

  4. #254
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    Hi,

    No place around where I live carry the Exide battery anymore because they are discontinued version. A store near me, Menards, had all of their marine batteries on sale and Easter was the last day of the sale. So I just bought two of the largest batteries they had to use with my SG setup. The smallest battery was on sale for $59 and the biggest one was $79. Still waiting on coils, so I am fine tuning what I have until I get the right drive coils. Have to get a pure sine wave inverter to use as a load, and capacitor discharge circuit for charging. I'm slowly getting what I need to get my unit going with all six coils, with the coils are the longest lead time. I have to start on a battery swapper circuit for three batteries using Multisim software. There I get things working without blowing anything up. Post circuit later...

    Richard

  5. #255
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    Hi Richard,

    That's the going price now but the things you can do with this software is so cool. You also get virtual test equipment to test your circuit just like it is there on your workbench. I did not pay that for the software I have because I got it for nothing. Just in the right place at the right time. The DOD loves this software and they do not care about the price. You can even build tube circuits which I have done and works great. The software even includes Labview which is a visual programming package. As I mentioned elsewhere, I learned a lot working for Northrop Grumman and all of the cool test equipment and stuff that's out there.

    Back later...

    rdvideo

  6. #256
    Quote Originally Posted by rdvideo View Post
    Yes I did from 1978 to 2010. I was not in the military, but I did my part to help protect the US and allies by applying my expertise in electronics to help are troops do their work and come back home, hopefully. We try are best at giving the best electronics to are military and I enjoyed working there in engineering where I learned so many ways of doing things from audio to RF, analog to digital and so on. Even played with lasers that can punch a 1" hole through fire brick like a hot knife through butter.

    Time to start thinking more seriously about a simple battery swapping circuit. One thing that makes it easier to do is a software program that I learned about at Northrop Grumman was Multisim 11.0 by National Instruments. Here you can build the circuit you want by making the schematic of your circuit, analog, digital, RF, transformers, even tubes and much more on your computer and then use virtual test equipment so you can see how your circuit works! Cool stuff, but one problem is that it costs now about $8000 for both programs, Multisim and the add on program that will make the circuit board traces for you, just print and make. I was lucky to get a copy of the program, some benefits when working for a defense contractor and I also have the student version of it too from my schooling. The program is now at version 14.0 that I have.

    Otherwise, why do you ask? Curious...
    Typically when someone mentions something a few times they want to talk about it, not much data being posted at the moment so a story is interesting.
    Simulators are handy.

    Regards,
    John.
    Cant spend it when your dead.

  7. #257
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    I have a question to ask about what Peter was doing with the Mini-Beast. I've been re-watching the video of the presentation and I am curious about monitoring 4 batteries when he was talking about 3 batteries. Can I assume that the fourth battery is what is powering the battery swapping system since it needs to be charged too? Even though I am working with something simple with three batteries as RS is with his setup, just looking for 4th battery in Peter's setup.

    Thanks...

    Richard

  8. #258
    The 4th Battery, is the rest battery right after a charge, and just sets there adsorbing the charge, until it is swapped into the bottom spot in the series powering batterys....

    in my system, the circuitry is powered from the SSG charged batterys, with a 3 battery swapper system, with Charge, Rest and Discharge into a inverter, etc.....

    the 4 battery swapper acts like a UPS power supply, for the 6 coil SSG battery charger and the PL back back pop circuit, and it's 3 battery swapper system...
    Last edited by RS_; 04-05-2018 at 10:06 PM.

  9. #259
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    Thanks for the info RS. Now getting more of the missing pieces to understand what's going on. Too bad I cannot hear what the questions are to know why the answers are given at times in the videos. I wish I had the right drive coil and more coil forms that I ordered. I still will work on what I can with what I have until then.

    Take care...

    Richard

  10. #260
    Hi Richard,

    I suggest that you get my 2017 Conference Presentation on the Poor Man's Swapper, where I demo Peters 4 battery swapper with manuel switching using Bedini's 6 Coil SSG, and my version of Peters back pop circuit as its load. This video shows Schematics of how the contactors are connected to the battery's and the rest of the system.

    That should help with your understanding.....
    Last edited by RS_; 04-05-2018 at 09:58 PM.

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