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  • DIY 600 Watt Amplifier With Old Computer SMPS

    What GordonS6 and rafununu object is that "peak" power is meaningless... It is like trying to rate the instantaneous power for, say an automobile: you could argue that your VW Bug has, say, 1,200 HP... and maybe it can, imagine you attach a very heavy trailer. If you step on the acccelerator pedal for several seconds and then suddenly release the clutch, for a very brief (and useless) fraction of a second, the poor VW would develop a true 1,200 HP, and then die, but the trailer hardly moved a fraction of na inch!.So called ""PMPO" power ratings are completely misleading and useless, those are akin to raise the volume to the top, and then shorting the output! A much better practice is to specify the continuous power (sometimes wrongly stated as "RMS Power...

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    What GordonS6 and rafununu object is that "peak" power is meaningless... It is like trying to rate the instantaneous power for, say an automobile: you could argue that your VW Bug has, say, 1,200 HP... and maybe it can, imagine you attach a very heavy trailer. If you step on the acccelerator pedal for several seconds and then suddenly release the clutch, for a very brief (and useless) fraction of a second, the poor VW would develop a true 1,200 HP, and then die, but the trailer hardly moved a fraction of na inch!.So called ""PMPO" power ratings are completely misleading and useless, those are akin to raise the volume to the top, and then shorting the output! A much better practice is to specify the continuous power (sometimes wrongly stated as "RMS Power") into a defined load of 8 Ohms, from 20-20,000 Hz with less than 0.1% harmonic distortion, for example.

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  • amclaussen commented on 4DIYers's instructable How to Clean a Throttle Body3 months ago
    How to Clean a Throttle Body

    I saw a long video several years ago, where BMW dealers performed a complete and through cleaning by removing the entire inlet manifold and blasted nutshells with compressed air, while at the same time vacuuming the residues. That HAS TO be performed cylindr by cylinder, ensuring that both inlet and exhaust valves are 100% closed! he service was expensive, but results were so good, that the factory recommended that procedure. BTW, BMW engines are among the worst dirtying and inlet valve deposit forming ones among all. Amclaussen.

    The BEST and most proper way, is to REMOVE the inlet manifold altogether, and clean it outside the engine bay. but unless you have means to clean the inlet portsand valves, a lot of gunk will still be there. Amclaussen.

    YES, and it is because the "design" of the PCV system is lousy in 99% of the cars. Oil vapors are (supposedly) separated by "baffles" and the (supposedly) oil droplets free "clean" recirculation is fed to the engine inlet. But the sad truth is that, unless the PCV system has some means to cool the vapors stream, and then separate the oil droplets, that oil will end up as heavy deposits inside the inlet manifold, MAP and Temperature sensors, inlet valves and will result in heavy carbon deposits inside the combustion chamber, sparkplug and O2 sensor, and end up at the Cat converter... I'm installing a small section of air-oil cooler cut from an old condenser radiator, piping the stream from the PCV valve through the cooler, and then to a "Catch-Can (G...

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    YES, and it is because the "design" of the PCV system is lousy in 99% of the cars. Oil vapors are (supposedly) separated by "baffles" and the (supposedly) oil droplets free "clean" recirculation is fed to the engine inlet. But the sad truth is that, unless the PCV system has some means to cool the vapors stream, and then separate the oil droplets, that oil will end up as heavy deposits inside the inlet manifold, MAP and Temperature sensors, inlet valves and will result in heavy carbon deposits inside the combustion chamber, sparkplug and O2 sensor, and end up at the Cat converter... I'm installing a small section of air-oil cooler cut from an old condenser radiator, piping the stream from the PCV valve through the cooler, and then to a "Catch-Can (GOOGLE that term for more info), as I'm tired of removing the entire inlet manifold to clean its insides. another example of how low has fallen the so called "automotive design". Amclaussen.

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  • amclaussen followed KitchenMason4 months ago
      • How to Make an Awesome Breakfast Quesadilla
      • How to Make Strawberry Nutella French Toast
      • How to Make Easy Spicy Baked Eggs (Shakshuka)
  • How to Make an Awesome Breakfast Quesadilla

    I'm already waiting for tomorrows morning to enjoy this idea, THANKS SO MUCH!

    Replace the sausage or bacon with Salmon or Tuna fillet bits, fried in olive oil for a healthier Quesadilla! (and remove the egg yolks too). In addition to the great spring onions, I would add some bits of red pepper. Amclaussen.

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  • DIY: Cyclone Dust Separator From Two Buckets

    While a good cyclone separator works, it still has a cutoff particle size, therefore very fine particles can´t be catched by cyclonic action. Particles under 10 microns in diameter are NOT "filtered" by the nose and mucus, and go directly to the bottom of the lungs. A combination of a cyclone (to remove all large and medium sized particles) and a second very fine filter (usually called "HEPA" filter) is needed. While water operated vacuums are efficient, they usually don't meet HEPA efficiencies, but are very convenient for disposing of dirt and dust.As a fully developed DIY-selfer, I use automotive type pleated filters as a practical final stage filter on my bench tolos, plus an HEPA certified respirator, as I've seen very sad cases of respiratory illness and...

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    While a good cyclone separator works, it still has a cutoff particle size, therefore very fine particles can´t be catched by cyclonic action. Particles under 10 microns in diameter are NOT "filtered" by the nose and mucus, and go directly to the bottom of the lungs. A combination of a cyclone (to remove all large and medium sized particles) and a second very fine filter (usually called "HEPA" filter) is needed. While water operated vacuums are efficient, they usually don't meet HEPA efficiencies, but are very convenient for disposing of dirt and dust.As a fully developed DIY-selfer, I use automotive type pleated filters as a practical final stage filter on my bench tolos, plus an HEPA certified respirator, as I've seen very sad cases of respiratory illness and a couple of cancers in people that perform a lot of dust generating activities. Amclaussen.

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  • amclaussen commented on KronBjorn's instructable SaturnV Vacuum Rocket Launcher 1 year ago
    SaturnV Vacuum Rocket Launcher

    Nice Instructable. How about putting a lightweight cover that is held down by the vacuum, and then just blown away by the rocket. A simple way would be to seal the cover to the tuve with some thin grease. That could add some máximum height.

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  • amclaussen commented on atenea's instructable Repair of a Delta Belt Sander1 year ago
    Repair of a Delta Belt Sander

    Somebody can help me?Mine is a Sears 6" disc x 4" Belt sander that started to fail to keep the belt on the rollers: If I install the belt centered the rollers, it takes about 20 seconds for the belt to start "walking" towards either the front or the rear of the machine, regardless of the adjustement of the right side roller (if I turn the knob to one side, initially it tends to stop the belt running out of position, but makes it slowly start to go to the other side, so that I'm never able to keep it running centered. This problem was not present when the sander was new, and it behaved OK for three years, and then started acting. Any suggestions? Amclaussen (amarquezclaussen at Hotmail.com)

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