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Metalwork

The Shed July/August 2020 Issue 91, on sale now

The July/August 2020 issue of The Shed, No. 91, has got something in it for every sheddie.
Even though there is something of a nautical theme to this issue, our cover story is on building a very powerful, vertical, hydraulic log splitter. Bill Stevenson from Christchurch walks us through the construction of his trailer-mounted log-splitting machine that was started prior to the Covid-19 lockdown, worked on during, and completed immediately after. A great effort.

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Building a Stirling engine

I always get a thrill at seeing one of my engines running for the first time. It was especially true for this one because I had had no previous experience in making such an engine. The engine runs at about 600 RPM with a good differential between the hot and cold ends of the displacer tube.

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Video of Cowper Trucks from The Shed Issue 90

In this issue of the magazine we featured the trucks and workshop of Dan Cowper of Cowper Trucks in his shed just outside Whanganui.
Check out this video where Dan gives us the background to his business and how he builds his go anywhere, do anything, V8-powered, 4×4 vehicles.

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Make useful trammels

A trammel is a really useful item to have when you need to mark a curve onto sheet metal, plywood, MDF, plasterboard, or even a paved surface when painting lines for a netball court.
Sure, you can use a pencil and a piece of string but there can be a variation due to the angle that the pencil is held and differing tensions on the string. A trammel will easily produce an accurate arc.

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Installing an automatic gate

With the benefit that he worked for an engineering workshop, Karl knew that making the gate wasn’t likely to be a problem. He didn’t want an elaborate gate, rather one in keeping with his house that would tone in with his existing wooden fence.

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Pipe bender that curves flats

But a pipe bender has no other use and that is too bad because it is a large expensive tool.
I wondered if the heavy 12-ton bottle jack could be used for some other purpose. Once I had inspected it, it seemed reasonable to modify the bender so that it could be used to bend flats as well as pipe.

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The Shed May/June 2020, Issue 90, is on sale now

Issue 90 of The Shed has a treat for lovers of fast off-road action. We visit the shed of Cowper Trucks who make world-beating 800hp 4×4 off-road race vehicles. Built strong, tough, and powerful from a shed outside Whanganui, this is automotive engineering at its best.

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Video of Ray Woodhouse, artist and sculptor from Raetihi

From his shed on the Central Plateau in the North Island, Ray Woodhouse creates totally unique pieces that are more than sculpture and more than a lamp. They would be a truly special addition to any space you choose to place them in.
An artist who we featured in Shed 82, only started this type of work when he retired. Ray has a working shed than many sheddies will envy.

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Making a dirtsurfer

The real-life issue this all stemmed from was: “I wanted a dirtsurfer and I could not buy one in New Zealand. Therefore, I will have to design and make one myself.” At the same time, my students were able to record their technology practice and gain credits at NCEA Level 1.

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Knifemaking by Leif Haseltine

The design for this article is my everyday carry knife, a four-inch (100 mm) dropped hunter—an all-round knife whose blade is ample, large enough to skin that buck and small enough to carry all day without getting in the way.

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A scooter carrier for a campervan

Owning a campervan means you can take your house on holiday with you. The downside is you need to pack up your whole holiday site when you want to drive off and get some fish and chips for dinner. I considered towing a car behind the campervan but that was impractical. I use a scooter for commuting so the solution was obvious—put a scooter carrier on the campervan to give us an easy transport option on holiday.

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Shine like a diamond

It’s been a long-time Kiwi favourite for a very good reason — Autosol Metal Polish is the ideal way to clean, polish, and protect all types of metal surfaces.

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Drumming up a top kiln

Nothing vertical beats the excitement of opening a kiln and seeing the effect of naked flame on your creations. Gas kilns produce glaze finishes that are often unexpectedly beautiful but commercial gas kilns are usually expensive and bulky.

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Make a swarf sump

It’s a hassle to clean out my workshop vacuum cleaner bag. Metal swarf tends to clip itself onto the fabric and I spend a lot of time picking off the bits individually.
Question: How to pick up small swarf in the workshop without sharp metal or other rubbish going into the vacuum cleaner bag?

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