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  • TonK5 commented on LumberBear's instructable Reclaimed Wood Vent Hood8 weeks ago
    Reclaimed Wood Vent Hood

    I could not help noticing that the outlet of the vent seems right underneath a ventilation mesh of sorts. This is the next possible desaster if true. if a pot catches fire, your fan will throw flames and heat straigt out of the piping and possibly right in to the mesh above. a proper way of doing this is to extend the piping and ensure that the outlet is far away from any combustionable materials.

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  • TonK5 commented on CrazySurvivalSt's instructable How to Make the Simplest Metal Foundry6 months ago
    How to Make the Simplest Metal Foundry

    It can also be done by hand, 1"- 25.4 mm. so 50 mm makes 1" rest 24.6mm .4 mm = about 1/64" so the rest is 63/64" If you understand Imperial than this should be a relative simple calculation, that is for most projects like the one we are looking at. for accurate projects like machinery this is of course another matter.

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  • TonK5 commented on fretters's instructable Computer Drawer6 months ago
    Computer Drawer

    Correct and such screening actually works 2 ways..Other than that a traditional radio or TV set will suffer from interference, this computer may be prone to problems when a faulty (defect mains spark filter) vacuum cleaner is used nearby.At the very least conductive grounded metallic shielding should be used, and in praktise also the corners/edges will have to be EMI closed. (Wind tight we call that, translated from Dutch) Glad this isn't at my neighbour's house to be honest, although it looks fantastic!

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  • TonK5 commented on kgklinkel's instructable Simple RFID Blocking Wallet6 months ago
    Simple RFID Blocking Wallet

    There is one exception and that is when a static charge i.e from your hand gets transferred to the chip contacts, this may cause malfunction of the chip. So, putting a large metal object next to the chip without isolation may not be such a good idea.if i remeber right, my bank told me not to touch the contacts....

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  • TonK5 followed AdventuresInJunkLand6 months ago
      • Fix Up an Old Laptop!
  • TonK5 commented on AdventuresInJunkLand's instructable Fix Up an Old Laptop!6 months ago
    Fix Up an Old Laptop!

    Very good initiative to put this on line... Done a few of these my self but never came to post the process. Actually, I have an addition for people which have a defect unit and are not afraid to tinker a little more... many laptops, PC's and amplifiers have cooling problems due to the thermal paste aging. One often does have to take the motherboard out of the laptop casing and take the heat pipe system off the main chips to fix this. Also worth checking the fan and the "radiator" whilst you are at it, since they eat a lot of dust over the years. If the fan does not run smooth you can clean it and re-lubricate. cheack the youtube eco system for detailed information.Take all the (white) cooling paste off the heat pipe and or heat sink's as well as the (sometimes used) thick ther...

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    Very good initiative to put this on line... Done a few of these my self but never came to post the process. Actually, I have an addition for people which have a defect unit and are not afraid to tinker a little more... many laptops, PC's and amplifiers have cooling problems due to the thermal paste aging. One often does have to take the motherboard out of the laptop casing and take the heat pipe system off the main chips to fix this. Also worth checking the fan and the "radiator" whilst you are at it, since they eat a lot of dust over the years. If the fan does not run smooth you can clean it and re-lubricate. cheack the youtube eco system for detailed information.Take all the (white) cooling paste off the heat pipe and or heat sink's as well as the (sometimes used) thick thermal tape. Check the thickness of the tape before you take that completely off with a caliper and replace it with new similar tape or a suitable copper filling plate of the same thickness as an alternative.. Also put new thermal paste on all the heatsink and chip surfaces as well as on hte copper filling plate (if used). Not to much though in particular if you opt for Silver based stuff since this may be conductive and spills may short contacts out.... Also use gloves since these thermal paste varieties are understood to have health implications. Some laptops like and old 17" Sony I own need a reset of the CMOS/BIOS (Jumper) after the video chip has been triggering an high-temperature situation. A lot of laptops have thermal problems when they age and the above procedure will get them usually going again.Happy tinkering!

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  • 10 DIY Alternatives to Off-The-Shelf Electronics Components

    Good work, tip, in case you need a dummy load to test a high power amplifier without the ambition to upset the neighbours, you may try modifying a hot air heater which is often found cheaply at a charity shop. Use screwable connectors and make sections of 4Ohm, 8Ohm etc. by cutting the heater wire and using screw clamps. Added bonus, it comes with a fan to cool the heater wires down since they will get hot when testing i.e. 100 Watt amps. for that you just have to use the existing fan and mains wiring and switch. I suggest to extra isolate the mains portion (hot melt and plastic) to avoid the amplifier load portion to make contact with the mains i.e. when the loadbox accidentally drops...

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  • TonK5 completed the lesson Welcome to Welding in the class Welding Class2 years ago
  • TonK5 commented on Vyger's instructable Free Air Conditioning3 years ago
    Free Air Conditioning

    Excellent project. I have some suggestions: 1. You may want to spray paint the heat exchange black to increase the efficiency (if remembered well, by some 15%). 2 : rather than using towels you also may collect the condensation in a container and pump it out when a certain water level has been reached. Scrapped Condensation laundry dryers (i.e. Miele) of various makes could be the source of the required parts.

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