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They will need to be sized appropriate to the load that will be applied, which means that they are not “standard”. You need to make sure the part that bends is sufficiently strong and will have sufficient life when it is flexed often.


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The lights are mounted within specifications for positioning as required by laws in countries where they are used/sold. Also, designers position them relating to the use the vehicle is likely to see, so if it is used through woods etc them the lights get mounted farther inboard so they get a bit more protection.


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From my location it appears the image is broken, however I can assume with my imagination and the comments it’s a pretty big bolt. Exceptionally large bolts are surprisingly not that uncommon. They often show up in oil industry to bolt flanges and for use in huge structures. But they are usually custom low production bolts designed for a specific use case ...


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Hurstwic has been doing some interesting work with basic iron/steel smelting. Not an answer to your question, but, Yes, you can smelt your own Iron/Steel at home with relative safety (your mileage may vary). You'd have to figure out what additional properties you'd need to add in the smelt, and the refinement work would take additional research, but it's ...


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Tin electro plate would be easy to do ,so likely cheaper than nickel despite the high price of tin. .


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It is because you are using the trace of the matrix, which is equal to the sum of the singular values. The ideal $\mathbf{JJ^T}$ has singular values all equal to 1, but for an $n \times n$ matrix this sum would be equal to $n$, not $1$, and the text is defining the ideal matrix norm as 1.


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Old topic but... to be sure you have the correct info : The IGV positions are given by the seperate lines as indicated at the top (continious, dashed, dotted and dash-dot) At these IGV positoins, tests are done at several outlet diffuser positions (the numbers at the bottom of these lines in the curves) Example; There are several dashed lines (IGV pos 04) ...


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