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  • sirjames989 commented on sirjames989's instructable Mark I Arc Reactor Prop1 year ago
    Mark I Arc Reactor Prop

    Great suggestion! I figured the dimensions might be useful to other folks as well, so I've added a PDF that shows all of the dimensions used for the cage parts. See "ReactorCage_WithDimensions.pdf" in step 1 above. I've tried to keep it as clean as possible, but if anything is unclear please let me know. Sorry for the delay getting this information to you.

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  • sirjames989 commented on sirjames989's instructable Mark I Arc Reactor Prop2 years ago
    Mark I Arc Reactor Prop

    Hi Gopalpotdar, unfortunately I don't know if I'll be much help in picking out a working inductor. I know only the most basic stuff about electronics, so I wouldn't know where to start. If there is any information I can provide to help pick one out, please let me know.As for the MOSFET, I believe that the important characteristics are going to be the Gate-Source Threshold Voltage (Vgsth) and the Drain Current (Id). The threshold voltage voltage is the voltage required to activate the MOSFET (get current flowing between the source and drain terminals). Since I was working with a 5V circuit, I picked one in roughly that range. somewhere in the 2.5-4.5 V range. The Drain Current is how much current can flow when the MOSFET is active. This will vary based on the circuit, but the valu...

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    Hi Gopalpotdar, unfortunately I don't know if I'll be much help in picking out a working inductor. I know only the most basic stuff about electronics, so I wouldn't know where to start. If there is any information I can provide to help pick one out, please let me know.As for the MOSFET, I believe that the important characteristics are going to be the Gate-Source Threshold Voltage (Vgsth) and the Drain Current (Id). The threshold voltage voltage is the voltage required to activate the MOSFET (get current flowing between the source and drain terminals). Since I was working with a 5V circuit, I picked one in roughly that range. somewhere in the 2.5-4.5 V range. The Drain Current is how much current can flow when the MOSFET is active. This will vary based on the circuit, but the value should be higher than the maximum current your circuit will draw. The one I used is 12 amps, which is much higher than my circuit would draw, so it is safe.Using these characteristics, this might be a suitable replacement: http://www.mouser.com/ProductDetail/STMicroelectro...Also, the site where I originally bought the part lists many replacement options by name: https://vetco.net/products/nte2390-mosfet-n-channel-enhancement-60v-12a?taxon_id=1865. If you search for these model numbers on different sites, you should be able to find a good replacement.If neither of these are available for whatever reason, the two characteristics I described above should help you locate a good replacement.Please let me know if there's anything else you need.

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  • sirjames989 commented on sirjames989's instructable Mark I Arc Reactor Prop2 years ago
    Mark I Arc Reactor Prop

    Hi Gopalpotdar, are you referring to the STL files for the magnets and such? If so, I would first double-check that the units are set correctly when importing. They were designed using imperial units (inches). For reference, the magnets (the black pieces wrapped in red wire) are 5/8" wide, 3/4" deep, and 1/2" tall. I can provide references for the other parts as well if needed.Sorry for the delayed response on this. If you have any other questions, please let me know.

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  • sirjames989 commented on sirjames989's instructable Mark I Arc Reactor Prop3 years ago
    Mark I Arc Reactor Prop

    Hi Beasterie101, sorry for the delayed response. I can't find much information on either the dtd format, or the 2D Design app. I don't see the option to export the designs in that format, so I'm wondering if it's proprietary. Are there any other design types that will work? Since you're importing this into a 2D design app, I assume you are not looking for the 3D printed part files. The app I'm using (Visio) can export the designs in several different standard formats, such as .svg or .dwg/.dxf. If neither of these work, I can provide a full list of export file types that are available, to see if we can find something that will work.

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