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  • kymyst commented on BramTN's instructable Chladni Plates14 days ago
    Chladni Plates

    English translationCut 4 smaller plates fromthe large aluminum plate. Cut these plates into 2 squares, one of20x20 cm and one of 25x25 cm, and also 2 triangles, with sides 20 and25 cm. Drill a 6 mm hole in the geometric center of the smallerplates. (The hole of the triangle is determined by the intersectionof the bisectors) Solder 2 breadboard cables on the output of thebox. Connect the other ends of the breadboard cables to theamplifier. Pay attention to the correct Solder 2 breadboard cables onthe output of the box. Connect the other ends of the breadboardcables to the amplifier. Pay attention to the correct Cut a 6mm holein a cap. Insert a 6 mm bolt through the hole and screw it to thecap. Then place a second nut at cm height from the speaker. Place theplate on this nut and place a t...

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    English translationCut 4 smaller plates fromthe large aluminum plate. Cut these plates into 2 squares, one of20x20 cm and one of 25x25 cm, and also 2 triangles, with sides 20 and25 cm. Drill a 6 mm hole in the geometric center of the smallerplates. (The hole of the triangle is determined by the intersectionof the bisectors) Solder 2 breadboard cables on the output of thebox. Connect the other ends of the breadboard cables to theamplifier. Pay attention to the correct Solder 2 breadboard cables onthe output of the box. Connect the other ends of the breadboardcables to the amplifier. Pay attention to the correct Cut a 6mm holein a cap. Insert a 6 mm bolt through the hole and screw it to thecap. Then place a second nut at cm height from the speaker. Place theplate on this nut and place a third nut above it to screw everythingtogether. Take a container that is large enough for two plates plusextra space, this container ensures that no salt falls out. Take awooden base and make two holders for the speakers. This means thespeakers cannot move themselves. Place the amplifier in the center ofthe base. Place a plastic box around the amplifier so that the saltdoes not get dirty from all the salt that vibrates. PS make surethere are holes in it to put all your cables through. Place thespeakers in the holders and glue them down. Connect the amplifier toa mobile or computer. Increase / decrease the frequency to find newpatternsCut 4 smaller plates from the large aluminum plate. Cut theseplates into 2 squares, one of 20x20 cm and one of 25x25 cm, and also2 triangles, with sides 20 and 25 cm. Drill a 6 mm hole in thegeometric center of the smaller plates. (The hole of the triangle isdetermined by the intersection of the bisectors) Solder 2 breadboardcables on the output of the box. Connect the other ends of thebreadboard cables to the amplifier. Pay attention to the correctSolder 2 breadboard cables on the output of the box. Connect theother ends of the breadboard cables to the amplifier. Pay attentionto the correct Cut a 6mm hole in a cap. Insert a 6 mm bolt throughthe hole and screw it to the cap. Then place a second nut at cmheight from the speaker. Place the plate on this nut and place athird nut above it to screw everything together. Take a containerthat is large enough for two plates plus extra space, this containerensures that no salt falls out. Take a wooden base and make twoholders for the speakers. This means the speakers cannot movethemselves. Place the amplifier in the center of the base. Place aplastic box around the amplifier so that the salt does not get dirtyfrom all the salt that vibrates. PS make sure there are holes in itto put all your cables through. Place the speakers in the holders andglue them down. Connect the amplifier to a mobile or computer.Increase / decrease the frequency to find new patterns

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  • kymyst commented on DogeLife's instructable How to Make a Duct Tape Canoe2 months ago
     How to Make a Duct Tape Canoe

    I hope you can swim, this looks like it could sink very quickly !

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  • kymyst commented on DIY_YID's instructable DIY a NE555 Circuit to Generate Sine Wave2 months ago
    DIY a NE555 Circuit to Generate Sine Wave

    Thanks for that but I meant the copper side of the PCB with the actual track layout.

    Never mind, I was able to work out the track layout from image #CY62NISJVCNISFU by adjusting the contrast and referring to the circuit diagram.

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  • kymyst commented on DIY_YID's instructable DIY a NE555 Circuit to Generate Sine Wave2 months ago
    DIY a NE555 Circuit to Generate Sine Wave

    This instructable is lacking a diagram of the PCB track pattern.

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  • kymyst commented on sublack8's instructable DIY Chessboard to Chase Away Your Boredom2 months ago
    DIY Chessboard to Chase Away Your Boredom

    Why aren't the two central rows of the board checkered ? Is this some alternative version of chess ?

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  • How to Build a Fusion Reactor and Become Part of the Nuclear Culture Canon

    Glass vessels with flat bottoms are notoriously prone to implosion under vacuum, especially if the glass has any scratches or moulding flaws. I would strongly recommend a safety cage around the vacuum vessel.

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  • kymyst followed table-top channel 3 months ago
  • kymyst commented on valtec's instructable Gaschromatograph 4 months ago
    Gaschromatograph

    Could you please describe the operating conditions for the Zippo Lighter chromatogram ( carrier gas, flow rate, oven temperature, etc ). How do you control the column temperature ? What is its maximum temperature ?

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  • kymyst's instructable ENSYFA : a Wooden Enigma-style Cipher Machine's weekly stats: 4 months ago
    • ENSYFA : a Wooden Enigma-style Cipher Machine
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  • How to Fully Solve Polynomials- Finding Roots of Polynomials

    It's a lot easier to use a graphics calculator like the Casio CFX-9850GB ! Your explanation is quite clear, however. Well done.

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  • kymyst commented on kymyst's instructable A TEMPERATURE CONTROLLED LABORATORY HEATER7 months ago
    A TEMPERATURE CONTROLLED LABORATORY HEATER

    I'm sorry but the tape is no longer listed on ebay. The instructable was written 5 years ago and the seller is not listed any more. I can't help you any further.

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  • kymyst commented on kymyst's instructable A TEMPERATURE CONTROLLED LABORATORY HEATER2 years ago
    A TEMPERATURE CONTROLLED LABORATORY HEATER

    The heating tapes will definitely NOT withstand 650 degrees Celsius. I believe their upper limit is about 450 Celsius.

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  • kymyst commented on kymyst's instructable Magnetic Stirrer Hotplate3 years ago
    Magnetic Stirrer Hotplate

    The coffee percolator would not have sufficient heating capacity for that volume of liquid, nor would the stirrer be powerful enough. I would suggest you have a look at these instructables which may satisfy your requirements.https://www.instructables.com/id/Programmable-Temperature-Controller-Hot-Plate/https://www.instructables.com/id/DIY-StirrerHot-Plate/

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  • kymyst commented on kymyst's instructable Magnetic Stirrer Hotplate3 years ago
    Magnetic Stirrer Hotplate

    The original coffee percolator was probably designed to heat about 1 litre to approximately 70 deg, C. To heat larger volumes to higher temperatures would require bypassing the thermostat and connecting the element via a suitable SCR energy regulator ( 1000 Watts ) and temperature controller. Have a look at my Instructable for a temperature controlled laboratory heater for a typical setup. I would advise a maximum temperature of 100 deg.C otherwise some of the plastic components and the fan will overheat. The device is intended mainly for use with organic solvents with boiling points below 80 deg. C. Highly flammable solvents like diethyl ether should not be heated in open containers, but in a water bath with a reflux conderser.

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