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  • KennethM45 commented on Pricklysauce's instructable Window Latch2 weeks ago
    Window Latch

    Thanks for the reply. :) They looked like low security windows, but the idea just occurred when looking at the pictures. I love the fact that you put locking shutters on the outside, that is what I want to do to our house for two main reasons: high wind/tornado/hail damage prevention, and in West Texas the grass fire risk. I have been kicking around some ideas for steel cored shutters to resist the wind and heat. I like the idea of the second nail, that could be filed into a decorative head or upset slightly and shaped to a pyramid or other shape head. :) Nice ideas.

    Very nicely done, I could not watch the videos because of our bandwidth limit, but the pictures and explanations were very good. I like the simplicity of your design and have just one little modification that I would suggest for those who live in areas that have higher crime rates. The locking latch you showed looked like it solved it, but for the simple elegance of your cam latch a little bit deeper indent where the finger loop comes up to meet the top round stock might keep it a little bit more secure from bump type attacks on the window frame. I worked in security and around law enforcement long enough to see all sort of bizarre ways criminals get into houses. It was definitely a wonderfully put together presentation and I am going to watch the videos just as soon as I get to a highe...

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    Very nicely done, I could not watch the videos because of our bandwidth limit, but the pictures and explanations were very good. I like the simplicity of your design and have just one little modification that I would suggest for those who live in areas that have higher crime rates. The locking latch you showed looked like it solved it, but for the simple elegance of your cam latch a little bit deeper indent where the finger loop comes up to meet the top round stock might keep it a little bit more secure from bump type attacks on the window frame. I worked in security and around law enforcement long enough to see all sort of bizarre ways criminals get into houses. It was definitely a wonderfully put together presentation and I am going to watch the videos just as soon as I get to a higher bandwidth access. Thank you for posting this.

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  • KennethM45 commented on Pricklysauce's instructable Vehicle Key Safe2 weeks ago
  • KennethM45 commented on DevCoder's instructable How to Build a Tesla Coil5 months ago
    How to Build a Tesla Coil

    You sound like you had fun too, Sir. Yeah, I always think of things I can keep doing, and since we live on 11 acres it can be pretty esoteric. lol. I was really privileged to work with some really great people over the years. I now pretty much concentrate on firearms instruction, my goal is to make people who carry safer than the law requires. Branching out into various methods of teaching, simulator, force on force, and standard classroom to get people to understand just how serious a matter it is to take up the responsibility of carrying a firearm daily. And then I see all the news reports and despair of ever getting enough people educated. It has been a great time talking with you, I hope we keep crossing paths here. :)

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  • KennethM45 commented on DevCoder's instructable How to Build a Tesla Coil5 months ago
    How to Build a Tesla Coil

    Actually the greater the resistance to the flow of electrons the greater the capacitance. Therefor pure water would be a better separation medium than saltwater and oil. Check out the basic physics of the difference on your favourite chemistry or physics website. It will not allow me to copy and paste from physics.stack.com

    I thank you for correcting me on that. Yeah, nomenclature is pretty rough for me to keep track of sometimes, since I dabble in a bit of everything. Trained in Electronics Tech, started in the engineering classes, went to LE, EMT, Fire, design and construction, emergency management, medical research including doing the cardiology surgeries... my Wife is a veterinarian. lol. Too many things to keep track of. I actually wound up using the felt, oil, and a Marlex sheet between the two plates we had trouble with the dielectric strength of just the felt and oil. We went up to 3 layers but were still getting burn through. My dad brought a sheet of the Marlex home from a friend at the Phillips 66 research center and that solved our problems. After that it was just keeping bolts around for the ...

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    I thank you for correcting me on that. Yeah, nomenclature is pretty rough for me to keep track of sometimes, since I dabble in a bit of everything. Trained in Electronics Tech, started in the engineering classes, went to LE, EMT, Fire, design and construction, emergency management, medical research including doing the cardiology surgeries... my Wife is a veterinarian. lol. Too many things to keep track of. I actually wound up using the felt, oil, and a Marlex sheet between the two plates we had trouble with the dielectric strength of just the felt and oil. We went up to 3 layers but were still getting burn through. My dad brought a sheet of the Marlex home from a friend at the Phillips 66 research center and that solved our problems. After that it was just keeping bolts around for the spark gap since they eroded pretty quick. we had a 36" square of 1/4 Al on the bottom and two sheets 17 x 36 on top. Silver soldered the copper sheet that led up to the lasing tube with low pressure N2 and a quartz lens. We put out enough power to burn through two sheets of notebook paper with each discharge. We had a minor IR burn around the goggles and hands after the first 5 pulses. and had to shield it. Entered it in our senior science fair, but they wouldn't let me fire it up, I just had to show pictures. OF course this was back in 1979.

    You are right, I should have said capacitance. I was thinking about the capacitor I made for my pulse nitrogen laser. The pulse came from the build up of electrons on the bottom plate, that was insulated from the top plate by transformer oil soaked felt, The engineer that helped me build it referred to using the material with the highest 'resistance' to the break down current of the material. We had at one point discussed using pure water as the adjunct insulator to soak the felt in. the draw back of pure water was that since the whole capacitor was an open arrangement the water would evaporate too quickly. So I got stuck using transformer oil to increase the 'resistance' of the insulating material to breaking down under high voltage and current loads.

    For ore info on the hopes and dreams of Nikola Tesla and the ability to transmit power wirelessly through ground conduction and other things, I would suggest looking up a good biography about this man.

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  • KennethM45 commented on randofo's instructable Prank Box1 year ago
    Prank Box

    There is one major problem with sending these things through the mail, especially airmail. Think about the emotional climate we live in today. Half of the stuff I used to make as a kid would now be labeled as terroristic items. I have been through a lot of Homeland security training courses with my Emergency Management degree, and they really don't have much of a sense of humor these days. It isn't impossible to do these things, just be very, very careful about how you build it and think about what it would look like to someone x-raying the box. Just a FYI.

    I started to mention that.... :)

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