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Metalwork

Build a sand trolley

I used a pipe 3200mm long, but it depends on what you have. This is 2400mm along the flat and bent up at the front. The horizontal distance, from the flat to the tip lengthwise, is 340mm. I measured from a square on the pipe, and out 340mm for the bend. The axle is usually 1200mm. I turned a little insert stub axle for putting through the one-inch (25mm) bush in the centre of the wheel and into the axle. You could also turn down the axle to fit. It’s a straight bush because bearings and saltwater don’t mix.

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3D Printing

Here we’re going to use 3D printing to do a modern twist on “lost wax” casting.
It’s a trick that’s more than 5000 years old: make something in wax, bury it in clay or plaster leaving a hole in the shell. Bake the heck out of it to remove the wax and then pour molten metal down the hole. If everything stays together, you get a metal replica of your wax object.

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Make your own telescope

This a project to make a popular Newtonian-design reflector telescope with a Dobsonian mount. The principle of the telescope is to collect light and then magnify the image. The light from a distant object (a star or planet) is gathered by the mirror and brought to a focal point. The eyepiece is used to focus and enlarge the image. By changing the eyepiece, we can increase the magnification and the size of the image. The larger the objective or mirror the more light it can gather and therefore you can use a higher magnification eyepiece.

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Metal with pictures

The basics of engraving are not too difficult and can be mastered with perseverance. However, as with anything, it takes practice to achieve true dexterity and ability. There is nothing more beautiful, timeless, exacting or lasting than a craftsman’s engraving. The best way to begin is to give it a go.

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Man of metal

Metal is Bill Martel’s passion. He realises his own dreams in metal and those of his customers out of a very large “shed” in Plimmerton, the engine room of his business, Metalmorphic.
During 17 years of high-precision work, he and his team have made all sorts of furniture, balustrades, ornamental light shades, and more, even a 17th-century wrought iron sundial, four metres in diameter, which they “cut up into little pieces” and reassembled to correspond with the southern hemisphere.

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Video of the knifemaking workshop of Brent Sandow

In The Shed magazine Issue 92, we featured master knifemaker Brent Sandow and learned a lot about his knifemaking skills. While we were there, Brent also gave us a guided tour of his well-equipped knifemaking workshop. Be prepared for workshop envy.

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Channelling Houdini

In a sash-windowed meeting room in the upper reaches of the historic Thistle Inn in Wellington, an unusual band of people is preparing for their monthly meeting. Master lockpicker and meeting organiser Derek Robson, aka D.Roc, is assembling an array of locks; dozens of them—mortise locks, pin tumbler locks, tubular locks, various padlocks, combination locks, wafer locks, even a selection of handcuffs, to challenge tonight’s group.

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A matter of time

I purchased all the brass sheet and rounds required, plus a main-spring, brass bolts, and screws of the various sizes needed.
Now where to start on the clock?
I carefully read and followed the order and instructions of the book. If the instructions are not adhered to, many anxious moments and frustrations will follow.

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Vertigo CNC turns dreams into reality

Vertigo CNC routers are proudly New Zealand–designed-and-developed, and they’re locally manufactured too, in Christchurch. The mid-size desktop Vertigo MX2-N, which has a working area of 1200 x 600 x 120mm, delivers accuracy, utilizing lead screws and stepper motor control, at an affordable price.
It offers flexibility in part size and material choice, working with plywood, wood, plastics, aluminium, and other non-ferrous metals, and there’s a Facebook community of more than 600 users for this desktop router. The Vertigo MX2-N CNC has an RRP of $6995, incl. GST. or $47.00 per week on finance. For more information, visit vertigocnc.com, or see Vertigo’s YouTube channel, or visit Facebook.com/vertigocnc.

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Metal life saver

Autosol Rust Ex is a powerful, industrial-strength corrosion and stain remover that is quick and easy to use — it’s as simple as wiping on and rubbing off for standout results. It quickly removes rust, tarnishing, discolouration, oxidation, and even bluing, and will give metal surfaces a new lease of life. See hobeca.co.nz for more information.

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Burning bright

Making a brazier is one of those things that I am sure every sheddie has at the back of their minds to create one day. It’s just that, as we know, “one day” takes its time arriving.
I have to admit that I am no exception to that rule. Even when the component parts presented themselves to me it took a while before I found the time to put into the project. Six truck brake drums that had outlived their useful life were the starting point, donated by the owner of a fleet who only asked that one of the braziers be made for him.

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Polish query ‘Autosolved’

If you haven’t heard of Autosol, you can thank us later.
This revolutionary, ammonia-free product is the go-to cleaner and polish for uncoated aluminium surfaces. It leaves a clean sheen without scratching or hazing. The distributors say users describe it as “a product that does everything the advertising says it does”, “my go-to polish for aluminium”, and “perfect for alloy wheel rejuvenation”. It is available in a 75ml tube with screw caps from automotive, engineering, and hardware stores across New Zealand.

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Sharpen up your blades

When honing a cutting edge on a steel blade, you are progressively over three or four stages reducing the size of the scratches on the two faces which meet up to make the sharp point.
The much-vaunted “mirror” edge simply refers to the stage where we cannot easily see the scratches with the naked eye and hence it looks smooth and shiny. This process, therefore, requires several sharpening stones with finer and finer surfaces (325 grit, then 1200 grit, then 6000 grit).

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A dead accurate optical punch

An optical punch consists of a brass body with two holes through it, one for use, the other for storage, because there are two rods. One rod is the punch, the other a vertical magnifying glass made of a plastic rod. You look down the viewing rod at a dot marked on its base. You then move the whole apparatus around until you can see the point where you want to put a punch mark. Holding the brass body, you remove the plastic rod and drop the steel punch back into the same hole, then hit it. Result: a perfect, vertically punched mark, precisely on the spot.

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