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  • The Royal Game of Ur (Game of Twenty Squares)

    To win this game, you need to be aware that the dice are not random... There is three times the chance of throwing a one or a two as there is of throwing a three or a four. So tactics dictate that if you are at least three squares away from your opponent's piece, you have the odds on your side.

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  • How to Build a Twin-Screw Vise | DIY Woodworking Tools #10

    I really like the way you've adapted the turnbuckle to make it into the screws for this vice. One misgiving I have is because the screw on one side is threaded left-handed, I would always be forgetting, and tightening that side when I meant to loosen it... Does it cause you this problem?

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  • John Harwood commented on nerdyKat's instructable Welding Plastics: Drill Bit Case5 months ago
    Welding Plastics: Drill Bit Case

    Have you tried cutting up a few drill boxes and welding them together to make a milk botttle?

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  • Adapt a Sledgehammer Head to Make a Big Boy Blacksmith Hammer.

    Why didn't you use the other part of the sledgehammer handle, the one with the bulbous end? The part you fitted tapers towards the end, which can't be good for holding onto when swinging with force. Apart from that, I have to say how I admire your steel-sculpting ability. I need to get a flap-wheel for my cheap-though-strangely-long-lived 115mm grinder, which I bought from Netto just before they went bust.

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  • John Harwood commented on MrFixItDIY's instructable How to Restore an Old Wheelbarrow5 months ago
    How to Restore an Old Wheelbarrow

    Now that the wheelbarrow is looking good, I hope you're going to keep in under cover between jobs!!! I'm a little perturbed that you let it rust outside, pending renovation. At least you could have spaced it off the ground and covered it with a tarp... Gripe over. Let me say how I admire your ability in the woodworking field. I know that having the machinery makes the job much easier, but to make the wedges merely by dry-assembling and extrapolating the measurements and shape shows true determination and patience.Thanks for a great instructable!

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  • How to Disassemble a Pallet Efficiently

    A word of warning... A co-worker and friend of mine was a 'wood-mole' at the factory we worked in. (Wood mole being a scrounger of re-usable timber). He took home some pallets that originated in Brazil, which were made from mahogany or a near-equivalent Brazilian timber. He made a beautiful job of his loft, lining the rafters with this wood, which he sanded and varnished to perfection. Some time later he noticed holes had appeared in the planks, and dreading the worst, he treated the whole loft with woodworm killer, to no avail. When the exterminator was called in, he revealed that the rafters had been eaten to dust by this exotic South American wood-boring beetle, that was immune from normal insect-killing chemicals. The episode cost him dearly, and the mahogany had to be burned, along...

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    A word of warning... A co-worker and friend of mine was a 'wood-mole' at the factory we worked in. (Wood mole being a scrounger of re-usable timber). He took home some pallets that originated in Brazil, which were made from mahogany or a near-equivalent Brazilian timber. He made a beautiful job of his loft, lining the rafters with this wood, which he sanded and varnished to perfection. Some time later he noticed holes had appeared in the planks, and dreading the worst, he treated the whole loft with woodworm killer, to no avail. When the exterminator was called in, he revealed that the rafters had been eaten to dust by this exotic South American wood-boring beetle, that was immune from normal insect-killing chemicals. The episode cost him dearly, and the mahogany had to be burned, along with parts of his roof timbers.

    If you're not bothered about damaging the blocks, a good firm clout or three with the hammer on the side of said blocks will cause them to rise up off the planks, so that you may insert a pry-bar or wedge to ease removal of the nails. to prevent damage to the planks when levering, slip something thin and made of steel into the gap before inserting the bar. I use an old brickies' trowel to spread the load, but anything about that thickness will do. You may also use the hammer to aid removal of the block by whacking the opposite side of the block from the side you are levering. The block comes off straight up, and the nails don't bend.

    You're dead right, Richard. Busting up returnable pallets is totally non-ecological. Some of them even have a monetary value to the receiver of the pallets, redeemable through a voucher scheme. I used to be in charge of a hardware warehouse, so I know what goes on. However, there are many pallets that are non-returnable and often the wood is new and good quality. So, if saving the world is your prime directive, dismantling 'branded' pallets is not the way to go.

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  • John Harwood commented on makjosher's instructable Secret Book Light Switch7 months ago
    Secret Book Light Switch

    Not so flammable, I say... Have you ever tried to burn a book? While the book is closed, it simply doesn't want to blaze...

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