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  • Ballistics Gel Step by Step Regulation Testing Density

    Sorry haven't checked this in some time. Didn't know the link was no longer valid. I'll try to edit this with the recycling instructions. Glad it worked well for you. I love using this stuff. We tested a lot of rounds for my department back in the day to decide what to switch to. That's when I learned to make this.

    I have done that myself. We used things like pig and deer bones, pig organs (local butcher can hook you up with these for free. Just make sure you keep the whole gel target cold if you don't use it the same day. TRUST ME) and bags with fake blood for testing.Had to make one for a blood spatter experiment, during an investigation. Used an human skull model with gelatin brains we filled with fake blood. There are actually sources for human bone analogs. Usually polyurathane boes, but they are of similar density. You can make a mold out of a dummy or a friend who may also be a dummy. Just make sure it is water tight so the gelatin does it leak out while the mold is setting.Maybe I'll do one on how to build a body mold. Seems to be a popular request for non ballistics weapons testing.

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  • dad_a_monk followed kayakattack11 months ago
      • Celtic Dagger From a Vintage File
      • Viking Inspired Bearded Axe (no Forge)
  • dad_a_monk commented on kayakattack's instructable Celtic Dagger From a Vintage File11 months ago
    Celtic Dagger From a Vintage File

    Got my vote. Best entry I've seen. So many on here require that you already be a skilled blacksmith in blade making. This instructable could be made by anyone with some basic shop tools. Awesome!

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  • dad_a_monk commented on Baybeh's instructable 'Sous Vide' With No Special Equipment11 months ago
    'Sous Vide' With No Special Equipment

    I think you're going in the right direction, but this isn't really a Sous Vide. This is basically cooking in a water bath. The objects to be cooked should be sealed in a vacuum sealed bag. Second that water must be maintained at the desired temperature, through a regulated heat source and water circulation. Otherwise you aren't getting out of it what makes a Sous Vide so great. By using still water with a thermometer, you can't guarantee all the water is the same temperature. As the food cooks, it is absorbing heat from the water in contact with the bag. That is why you need water circulation. Second, trying to keep the water at a desired temp, by adding hot water will never allow for the water to be a constant temp throughout the process. Especially the water in contact with the bag, w...

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    I think you're going in the right direction, but this isn't really a Sous Vide. This is basically cooking in a water bath. The objects to be cooked should be sealed in a vacuum sealed bag. Second that water must be maintained at the desired temperature, through a regulated heat source and water circulation. Otherwise you aren't getting out of it what makes a Sous Vide so great. By using still water with a thermometer, you can't guarantee all the water is the same temperature. As the food cooks, it is absorbing heat from the water in contact with the bag. That is why you need water circulation. Second, trying to keep the water at a desired temp, by adding hot water will never allow for the water to be a constant temp throughout the process. Especially the water in contact with the bag, will be constantly going down and back up. This causes inconsistencies in the cooking process. Any air left in the bag also causes inconsistencies in the cooking process, thus why a vacuum sealed bag is important.The circulation problem could be fixed with a simple pump, even playing around with ones for fish tanks would get you a better consistent water temp.The temperature problem needs a heating element regulated by a thermostat. You'll need something larger than one of those probe heaters, used to heat water for tea. They do make larger probe heaters made to heat larger containers of water. One of those regulated by a thermostat would work.My Sous Vide immersion circulator is similar to a stick mixer in size and shape. It is a commercial Sous Vide. It is submerged in the water and has built-in heat regulation and circulates the water. It also has a Bluetooth thermostat that allows me the constantly check the water temperature with my phone. You don't have to go that far, but for it to be a Sous Vide, it must have regulated water temperature throughout the bath using water circulation. Also the food being cooked, must be on a vacuum sealed bag.The regulated heater with the water circulation and your food in a vacuum bag, would make this an actual Sous Vide.

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  • Homemade M40 Gas Mask That Works, Using Spare Parts

    Interesting but your calculations on what this will filter are way off. I assume you just tossed up random percentages, because most of those are literally impossible with the materials you are using in the process of its construction. Yes, actually gas mask filters to use activated charcoal, however they use both in a dust form as well as compressed sheet to ensure all gases and aerosols make contact with a carbon. With your filter there is too many uncovered areas that allow the chemicals and toxins to pass. Also a coffee filter has a much large porous surface then filters and a military-grade my gas mask. Your filter might block out some smoke and some chemicals, but will not protect against NBC contaminants. If you work on it, it may get to a safer point. However this is not going t...

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    Interesting but your calculations on what this will filter are way off. I assume you just tossed up random percentages, because most of those are literally impossible with the materials you are using in the process of its construction. Yes, actually gas mask filters to use activated charcoal, however they use both in a dust form as well as compressed sheet to ensure all gases and aerosols make contact with a carbon. With your filter there is too many uncovered areas that allow the chemicals and toxins to pass. Also a coffee filter has a much large porous surface then filters and a military-grade my gas mask. Your filter might block out some smoke and some chemicals, but will not protect against NBC contaminants. If you work on it, it may get to a safer point. However this is not going to actually protect you from anything and should NEVER be counted on to survive. Even in a situation like a house fire, you'd be better off with a wet cloth over this.If this is just an experiment, I would do some more research and play with different techniques to better spread the carbon and create beter filters. Otherwise, if you are wanting something you can actually depend on, purchase a gas mask. You can get an Israeli gas mask for less than $20 that are designed for their civilian population and have a proven track record.-Retired military, certified Hazmat and NBC instructor

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  • Drink Your Own Pee - [survival guide]

    Solar still do NOT make urine completely safe to drink. Solar stills only remove impurities such as salts, heavy metals and other dissolved solids, and does eliminates microbiological organisms. However any chemicals (with boiling points anywhere near water) in the source sample, will still evaporate and condense with the water. In a solar still you can't control the evaporation point, so all of those chemicals and toxins your body flushes will still transfer. It will be safer to drink than pure urine or other source water to be treated, but a solar still can NOT produce pure water. Only separate those heavier contaminants with much higher boiling points and any organic materal and other dissolved and undissolved solidsDistillation in the laboratory or controled setting can achieve extr...

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    Solar still do NOT make urine completely safe to drink. Solar stills only remove impurities such as salts, heavy metals and other dissolved solids, and does eliminates microbiological organisms. However any chemicals (with boiling points anywhere near water) in the source sample, will still evaporate and condense with the water. In a solar still you can't control the evaporation point, so all of those chemicals and toxins your body flushes will still transfer. It will be safer to drink than pure urine or other source water to be treated, but a solar still can NOT produce pure water. Only separate those heavier contaminants with much higher boiling points and any organic materal and other dissolved and undissolved solidsDistillation in the laboratory or controled setting can achieve extraction of pure water by using exact temperatures. Different chemicals have different boiling points and if you can focus on water's boiling point, it will evaporate leaving behind any chemicals that have a higher boiling point.

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