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Warps ,Garlic bowls and Uniqueness

April 13, 2020

It was about 8 years ago when the indomitable Christian took down a huge ash tree and brought me a whole crutch section - he knows what I like.

 The wood was beautiful with a lovely contrast between the central olive streak and the surrounding cream, with feathering whe...

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The hive

April 11, 2020

Malcolm the beekeeper explained to me in great detail, most of which I don't remember, why the People's beehive (otherwise known as the Warre hive) worked. And critically, he brought me sample parts. 

Although presented as modern, it was actually devised...

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Bees, hives and eccentrics

April 4, 2020

I am not a bee keeper. However, we do keep bees. 

They are not our bees. They belong to Malcolm.

Malcolm is a fascinating individual, and a man of many parts.

He is the only person I know who collects steam rollers. Well, road rollers of any description.

And other large it...

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Holly wood

August 17, 2019

Last year at the Spring Bank Holiday I participated with colleagues from the Peak District Artisans in the Derbyshire Open Arts event, at Beechenhill farm near Ilam, home of Sue and Terry Prince. It's a very nice venue, held in a beautifully converted barn, albeit well...

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Names, Signs and Letters

April 4, 2019

In 1993 we were living in a small house in St Mary's Gate in the centre of Wirksworth, but looking to buy somewhere in the Derbyshire Dales. Our requirements were,  somewhere traditional, big enough for us and our two children (aged 11 and 8 at the time), and a large g...

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Spin and Spinners

March 25, 2019

A couple of weeks ago I had an email from a person who identified himself only by his first name, which I didn't recognise. He just asked how big a piece I could turn in my lathe, and gave me dimensions of something he needed turned for a project. I read it as being fr...

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Winning and Losing

November 29, 2018

I've had a good autumn of turning, including successful shows and quite a few interesting commissions. In the run up to Christmas I thought I would make some of my food presentation boards, but this time out of really decorative wood. Here are some of the results.

 You...

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Symbiosis

April 10, 2018

Big word, but it perfectly expresses the relationship between trees and fungi. They live off each other. Not all fungi of course. Particular trees have particular fungi. Often they feed on the living tree, but when the tree dies they begin to take over. It takes time,...

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In praise of maple

March 7, 2018

I wrote a couple of months ago about about the field maple that had to come down and how what was to have been a big bowl split into two halves. I tried to salvage the halves, which were punctured by screw holes. Just so as you know, one of them I rescued after a fashi...

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Twisted Trees

January 27, 2018

Every January Jacky and I go up to the Forest of Bowland in North Lancashire for a few days walking. It's a forest only in the Norman sense, i.e. a royal hunting ground, and indeed a large chunk of it still belongs to the Duchy of Lancaster ie, the Queen. The scenery i...

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Warps ,Garlic bowls and Uniqueness

April 13, 2020

The hive

April 11, 2020

Bees, hives and eccentrics

April 4, 2020

Holly wood

August 17, 2019

Names, Signs and Letters

April 4, 2019

Spin and Spinners

March 25, 2019

Winning and Losing

November 29, 2018

Symbiosis

April 10, 2018

In praise of maple

March 7, 2018

Twisted Trees

January 27, 2018

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Frequently Asked Questions

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Where do you source your wood?

 

People often ask me where I source my wood. My answer is, from a tree. And I'm not just being silly. 

If I want to turn  bowl of a size appropriate for salads, or for fruit, I can't just go down to the local woodyard and buy the right chunk. Most woodyards sell timber for construction, or cabinet making. It is planked, and the maximum thickness you are likely to find is 100mm. That is a shallow bowl at best.

Then there is the type of wood. Twenty years ago, or even ten, a local woodyard would probably have some locally source fruitwood in a corner, or a stack of local oak, or chestnut. Not any more. They will have some oak, but it will be kiln dried and likely French, or American. 

So you need to go to a specialist dealer. In every region there are those who will source you ash, or lime, or maple, or exotics. But again these are usuallly planked for purposes of seasoning, and again are meant for cabinet work or the like. And often they are imported. 

Nationally, there are a few dealers who specialise in selling wood for turning - usually bowl blanks, or square sections for reduction to cylinders. The wood is usually sold 'semi-seasoned' which usually means kiln dried but not guaranteed not to split. 

In the meantime, your neighbour is having a yew cut down to make way for their kitchen extension, or an apple tree because it's ceased to fruit well, or an oak, because it's shading the garden.

That's where to source your wood, and where I source mine. And providing you return to them a bowl, made from the wood of their tree, they are often happy to let you have the rest for little or nothing.

 

 

How do you choose the wood?

 

Well, it all depends what you want to do with it. If you want to make a perfect bowl, then you choose a piece of trunk which is straight grained, no branches or shoots, and no faults. You rough turn it green, let it dry out, put it back in the lathe, and finish turn it to the perfect object, 

That's not what I do. I choose a piece which is going to have an interesting figure. The crutch , where the branches split, will have two diverging sets of growth rings and probably some flaring, where the wood has been stressed. Or there is a place where a branch has been cut or broken off. The wound has healed, but the figuring will be there in the grain, and probably some natural staining. Or the wound hasn't healed, and a fungus has invaded, making spalted patterns.

But then you have to choose the cut. 

Many people assume that because the trunk of the tree is round, and the bowl is round, that the bowl is made from a horizontal slice of the tree. You can make bowls this way and you can easily recognise them by the concentric rings they have, just like the tree. But they are weak, particularly if they have any size. That's because as wood dries, it splits. and it splits down the grain, not across it. So to  make a robust bowl, you take a section of the tree, halve it vertically, turn your halved section over to the horizontal plane, and draw your bowl circle from above. In other words, when you cut the bowl, you are cutting it into the cross grain.

And if you have chosen a piece of the tree with an interesting figure, this is what will come out as you cut into the cross grain. It's a process of exploration, and never totally predictable.

And no rule says that you always have to cut on the vertical or the horizontal. You can cut on the diagonal. and what does that do to the patterns in the grain?

 

 

 

How long do you leave the wood to season?

 

As soon as the living tree is felled the wood starts drying out. But mostly it dries out up and down the grain, not across it. Most of the living cells in a tree run up and down the trunk or a branch. When a tree is cut horizontally, most of the cells in the trunk are severed and bleed. Meanwhile, the bark is waterproof, and doesn't lose moisture.

The sapwood, at the exterior of the tree, has much more moisture than the heartwood at the middle, so it shrinks more. Look at any wood pile of firewood, and you will see this radial shrinkage where the cracks radiate from the centre, getting wider towards the edge.

If you cut a bowl from a newly felled tree ('green wood') it will dry differentially according to the moisture content of the different parts. So if half the bowl was heartwood and half sapwood one side will shrink more than the other.

If the bowl is turned cross grain  in half the trunk, the shrinkage is predictable. The shrinkage across the grain will always be more than the shrinkage along the grain. so viewed from the top, it will become oval. But viewed from the side it will be boat shaped because the lateral shrinkage has pulled the sides down. 

So to answer the question - it all depends! A small bowl, thin turned , of say pearwood might have dried out completely in three weeks without splitting. A piece from the same tree, turned large and thicker, could well take 3 months or more, and even then be at risk of splittting. Left in the trunk, without rough turning or planking, could be three or more years drying out, and would almost certainly split in the process, though different species vary greatly.

 

 

How long does it take you to make a bowl?

 

As long as a piece of string, is the only sensible answer.

It obviously depends on the size of the bowl, the type of wood, whether it is green or seasoned, straight grained or twisted, etc etc. 

But the actual shaping - the fun part- can sometimes be quite quick in relation to the total process.

Think about it. You need to cut down a tree, and cut out a section of it with a chain saw. You need a flat surface on which to inscibe the circle which is the rough outline of your bowl. You then cut a parallel flat surface on a bandsaw for the base of the bowl. Back to the bandsaw and cut the circle as best you can depending upon the thickness of the wood and the breadth of the blade. 

Now to the lathe, and you need to secure the wood in the headstock, probably by screwing through a faceplate and mounting the plate in the lathe. For a large bowl you may well need help in lifting the woodstock whilst you fasten the plate. 

You rough turn the outside. For a small bowl it might take 20 minutes. For a large one it might take 2 hours. Then you have to reverse the stock to turn the inside. so you have to hold the base in some way. Centring this is crucial. If the turning centre for the inside is different  from that of the outside the bowl wall will be thick in one part and thin in another.

Then you turn the inside, which is the trickiest part since twice on any revolution you are turning against the grain and in a bowl of any depth you will not be able to see what you are doing. But you carry on, stopping frequently to judge the thickness of the bowl wall, until you are satisfied with the inner profile, as well as the outer. Anywhichway, it takes longer than the outside did.

Then you take it out of the lathe, rough finished, and set it aside to dry out. 

After a few weeks, or months, when it is dry you put it back in the lathe to finish it, first by cutting, then by sanding. Depending upon the finish you want this could take little time, it could take lots. If the bowl has warped quite a way out of true (the most interesting ones) you will have to hand sand the irregularities. You may even want to do some carving at this stage to accentuate the structural irregularity.

Then you need to consider whether to give a matt or polished finish, whether to apply oil, or wax,or some other finishing product to give the correct sheen, as well as surface durability. And how many applications, and what depth of colour.

Apart from all that, it's quick and simple, unless you hit snags in the wood. Which you usually do.

String is more straighforward.

And none of the above takes account of workshop and tool maintenance. Which takes time, and costs.

 

 

Do you have a favourite wood?

 

The short answer is , No.

There are woods I like to work with. Certainly ones I prefer. And others I wouldn't seek out. 

I guess that over the years I have worked with most English hardwoods and know their characteristics. In fact I can recognise quite a few just by their smell!

But for me part of the joy of turning is discovering the particularity of an interesting piece of wood. Some turners visualise the ideal bowl they want to create and search for the perfect piece of wood to realise that vision. I am the opposite. I start with a lump of wood which looks interesting, and I open it up. I don't know, until I start working it, even what the shape is going to be. I follow the wood. It is a process of discovery, every time. 

So it is with different woods. Recently someone gave me a piece of turkey oak. It is not native to the UK but to southern Europe (though this piece was Staffordshire grown), and I had never turned it before. It had a distinct contrast between the heart wood and sapwood, so it intrigued me to turn one bowl heart-centred and one sapwood-centred. And since they were turned green, I'm still watching how differently they behave as they dry out.

But to go back to the drift of the question, I love turning yew, I love the colour, the dramatic contrast between the orange heartwood and the white sapwood, the way in which it mellows with age, the natural oiliness which makes cutting it a pleasure, the convolutions of the bark, the intricacies of new buds in the grain. But no way would I want to work it all the time. And as with many woods the colour  varies greatly from tree to tree.

I would want to contrast it with the open, coarser grain of ash, with its olive discolourations. Or with the smoothness of sycamore with some spalting, or the drama of spalted beech. I never thought I would take to an open grained poplar until I revelled in its lightness. And that's before we get on to the fruitwoods.

One of the most enjoyable pieces I turned in recent years was old hawthorn, which was heavily spalted, and if anybody offers me holly I'll be round like a flash. Now damson - you can really get some colouring in that. Apple I always enjoy, and it varies so much. But I now draw the line at araucaria (monkey puzzle to you). Ask me why when you see me...

But my most recent discovery was what Jacky calls the understated elegance of maple. The field maple we had cut down last autumn has produced some stunning, albeit small, bowls. Admittedly I choose the patterning carefully, cutting through crutches to get knots and stress wood, but green turned it has behaved very well ,with few cracks and only modest deformation. But finished, the result is pure satin, both to look at and to touch.  I now have my eye on another tree...