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  • Chainsaw Mill Build, Use & Tips N Tricks

    Great project. Thanks for sharing. I deal with a lot of fallen trees and being able to convert them into something other than firewood has a lot of appeal to me. Have considered a bandsaw and there is a beaut made locally but cost is over $6k. Have you considered adding an adjustable counterweight to compensate for the weight of the powerhead to avoid the possibility/tendency of the saw slowly changing angle over the length of the log? Would need to be adjustable to deal with different log diameters.

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  • How to Bend PVC & Make Incredible Shapes

    aha thanks for clearing that up Ernie. I still wonder then what the optimum temp would be for this process. Maybe a bit of trial and error. Although the melt temp gives the temp for injection moulding, I was under the impression PVC pipe was extruded. Imagine that if the PVC pipe is heated too high, it would lose integrity and tear or rupture. Searching further for properties it seems that the loss of stiffness is fairly linear (and slow) until it gets to about 55C where it stars to lose stiffness more quickly. From 80 to 90C it again seems loss is linear but quite rapid. So perhaps the ideal temp range is somewhere there.

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  • How to Bend PVC & Make Incredible Shapes

    Great one. Thanks. The pipe will try to maintain its round shape due to the fact that a circle has the greatest area for a given perimeter, therefore the pipe will maintain its internal volume and its round cross section. The technique of filling a copper pipe with sand before bending, to avoid kinks, has been used for ever. Of course being as I am I had to figure out optimum temp for the sand. A quick search found https://www.plastikcity.co.uk/useful-stuff/materia...which indicated that the best moulding temp for PVC was between 20 and 60C depending on grade. 60C is about the upper limit for being able to hold comfortably - and that only for a short time.Maybe the problem of heat penetration of thicker pipe could be overcome by not only filling the pipe with hot sand but also burying i...

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    Great one. Thanks. The pipe will try to maintain its round shape due to the fact that a circle has the greatest area for a given perimeter, therefore the pipe will maintain its internal volume and its round cross section. The technique of filling a copper pipe with sand before bending, to avoid kinks, has been used for ever. Of course being as I am I had to figure out optimum temp for the sand. A quick search found https://www.plastikcity.co.uk/useful-stuff/materia...which indicated that the best moulding temp for PVC was between 20 and 60C depending on grade. 60C is about the upper limit for being able to hold comfortably - and that only for a short time.Maybe the problem of heat penetration of thicker pipe could be overcome by not only filling the pipe with hot sand but also burying it in hot sand as well. Would obviously need more sand and some sort of trough but may be worth a try.

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  • jexy9 commented on Victor805's instructable Make Golden Coins (really Easy)1 year ago
    Make Golden Coins (really Easy)

    Great instructable. Can I suggest that a zinc anode could be sourced from an outboard motor - they are used as corrosion protection or have a look at item 192221910938 on eBay.

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  • jexy9 commented on stvnishere's instructable The pocket grill3 years ago
    The pocket grill

    FANTASTIC. Very impressive. One I'll be making for sure. Great that it can be made with simple tools. Using a drill press to drill the holes and a cut off saw to trim everything to length will make it even easier. And might I suggest soldering or even gluing one cap on.Am I correct in thinking that that the only holes drilled through both sides of the tube are the ones where the nipples attach?

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