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Minggu, 20 Maret 2016

Best selling wood projects - Wonderful West Australian Blackbutt

Best selling wood projects

Best selling wood projects


One of my favourite timbers to work with would have to be Blackbutt. Western Australian Blackbutt, to be precise - Eucalyptus patens. A very hard, dense and light coloured timber, the tree grows naturally in the wetter areas of the jarrah forest in the south west of Western Australia. Around the edges of swamps and watercourses, and in low lying areas. A tiny proportion of the original forest now remains. With most of these remnant trees now locked up in National Parks and stream reserves, it is not as readily available as it used to be. Fortunately, my mate Terry at Heritage Sawmillers http://www.wahardwoods.com.au/ can still get hold of a few logs every now and then. That is where I obtain most of my Blackbutt timber.

For those who like the technical stuff, Blackbutt is a hard wood. The Air Dried Density (at 12% moisture content) for WA Blackbutt is 930kg/m3, compared with 530kg/m3 for Douglas Fir, and 700kg/m3 for European Oak. (Source:  Wood in Australia, Keith Bootle, 1983, published by McGraw Hill.)
Yep, its hard and dense!

A blackbutt kitchen.
I dont make kitchen cabinets any more as a rule, but I did build one recently over a period of months for Tim and Bec. You know, its family. Long ago, I did a lot of kitchens for customers, but my construction methods have always been different to the modern cabinetmaking industry norm. While the insides (shelves, backs and dividers) might be the normal white melamine faced MDF board, my kitchen cabinets are different in that I
A shot of the cabinets under construction, showing the internal framing.
?always use solid timber framing.

It is a method I learned from Harry Kornoff when I worked for him back in the early 1980s. Thanks, Harry! These are kitchens built to last, with not just timber framing but solid timber doors and panelling too. While I have done plenty of solid timber benchtops on these kitchens, Tim and Bec were having one of those black granite-look tops.   




A few pics of Tim and Becs kitchen:
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The black granite tops and the Blackbutt doors and panelling go together very nicely.

The jarrah floors also look good with the Blackbutt cabinets.
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Thats an appliance cupboard in the corner on the benchtop.

Nice looking kitchen, eh?
One of the things I love about WA Blackbutt is the variation in the colours in what is normally a pretty pale yellowish brown timber - but the timber itself has other interesting properties which I appreciate. The extractives in it (the naturallly occurring chemical compounds which give any timbers heartwood its colours and other characteristics) mean that it has a natural waxy-ness about it. I know from experience that Blackbutt shavings on a concrete floor make for a dangerously slippery surface. Stacks of freshly machined Blackbutt pieces are prone to sliding off each other. However this natural waxy-ness combines with the high density of the timber to make WA Blackbutt absolutely wonderful to carve. It is one of my favourite timbers to use for carving wooden spoons. That waxy-ness also makes for great drawer sides and drawer slides. I have also used it for making extension table mechanisms. While some people claim the natural waxy-ness prevents good glue adhesion in joints, this has not been my experience over many years of playing with this wonderful wood.

A few more pics featuring WA Blackbutt:

WA Blackbutt spoons I made some years ago for a customer. Sorry about the grainy picture. 
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WA Blackbutt Table, titled "Four Foot Long". (Circa 1990).
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WA Blackbutt panel (with carved detail shown) in the front of a Font I made for the Leeuwin Barracks Chapel, 2009. The Altar and Lecturn are also made from Jarrah with the feature Blackbutt front panel.


WA Blackbutt drawer sides in this Hall Table (2007) contrast nicely with the jarrah, highlighting the dovetails.

... By the way, did I mention how much I love working with WA Blackbutt?

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Minggu, 28 Februari 2016

Best selling wood projects - Aahh! the wonderful dovetail joint

Best selling wood projects

Best selling wood projects


What is it about the dovetail joint that it seems to have such mystique these days? In the past, it was just a standard every day method of jointing timber. Maybe it is the prevalence of new technologies and techniques better suited to mass production, man-made panel products and flatpacking which has lead to the growing fascination for this traditional joint. Most woodworkers creating dovetail joints nowdays use screaming routers aided by finely machined metal router jigs to cut these joints. Sure, they are sharp and crisp joints, but the journey is just not the same... there is something wonderful about using your hands and traditional hand tools to make a nice dovetail joint.

If you are interested in how to cut these joints by hand, I invite you to follow through the process and come with me on the journey.

Half-blind dovetails on the top edge of some sheoak bedside cabinets under construction.

I am one of those people who does not own a dovetailing router jig. I cut my dovetails by hand, just as it has been done for centuries - though on occaisions I may use use a bandsaw or a drill press instead of a coping saw to help with faster waste removal. The hand cutting of dovetails can be almost as fast as setting up and mucking around with router jigs. The key of course is good marking out, quick and accurate hand sawing, and good chisel work. Sounds like a whole lot of satisfaction coming up! The joy of woodworking...

Getting started.
Firstly, we need some pieces of timber to join together. The pics through this story were taken during the making of a sheoak bedroom setting for a customer. This involved cutting "through dovetails" in the making of 6 drawers for the bedside cabinets, and 4 big drawers under the kingsized bed, and the cutting of "half blind dovetails" for the jointing of the bedside cabinet carcasses and the bed frame. All of the timber started out as 6"x1" material. The cabinet sides and tops were glued up using "lightning joints" to create the big panels which were 21mm thick, as were the big drawer components which were 19mm thick. The bedside cabinet drawer components were 14mm thick, and were butt jointed to bring the compenents to width.
The bedside cabinet side panels completed ready for the dovetail joints.  

The marking out - tails first.
We are about to make the drawer boxes. These will be "through dovetails".
There are many different ways of doing this, but for this job I have created a "story stick" which is being used across all of the dovetails in this partticular furniture set. A piece of scrap timber has the pin and tail spacings marked out on it. There are two sets of these markings, one at each end of the stick.  One set has all the pins and tails 1mm wider than the other set. This way the best fit can be found for each drawer side, but they will look consistent. It makes marking out quicker too. With the drawer sides selected and arranged in their pairs, first the bases lines for the pins and tails are scribed all round each piece. Several pairs are then cramped together with the scribed ends lined up flush, to mark the tails on the ends.

A marking gauge is used to mark the base lines for the pins and tails. These lines will be 1mm wider than the drawer side thickness. 
Some woodworkers argue whether it is better to cut the pins first or the tails first. It really doesnt matter. Whatever works for you, I reckon. Me? I am a tails first person. Why? Because that is the way my father taught me to do it many years ago. It still works nicely for me every time!!

Marking the tails on the ends or two pairs of drawer sides, using the story stick.

A marking knife and square are used to transfer the tail markings across the ends of the drawer sides.

The sliding bevel is used to transfer the scribed lines on the ends back to mark the tails. A 1:7 angle is used here. A pencil is used, marking well beyond the scribe line for the base of the tails.

The lines on the very ends of the drawer sides are scribed, to aid very accurate sawing square to the face. A pencil is used to mark the waste. The sides of the tails are marked with a pencil, as the accuracy of the cut is not as important on this plane. The pencil lines go well beyond the scribed base line to assist with the sawing which is done by eye following those pencil lines, stopping at the scribed base line. 

The marking out of the tails on the drawer sides is complete. Time to start cutting.

Cutting the tails.
It is easiest to cramp the drawer sides in a vertical position such that the group of lines being cut are vertical. This is easiest for the eye, making for accurate cutting. Then the piece is tipped and re-cramped so that the other group of lines are vertical. The saw kerfs are cut accurately on the waste side of the scribed line and following the pencil lines, own the the scribed base line of the tails.
Cramped so that one group of lines being sawns is vertical. When these are all cut the drawer side is turned so that the remaining lines are vertical - it is much easier to make the cuts this way.
My wonderul Lie-Nielson 15point rip sharpened dovetail saw is an absolute pleaseure to use for this task. Quick and very accurate. Cutting down to the scribed base lines.

Chopping the waste from between the tails. All those parallel cuts in the waste were done on the bandsaw to speed up waste removal. Traditionally you would use a coping saw. Careful chisel work from both sides to the scribed base line is what we are seeking here. 

Thats what we are looking for! One of the drawer sides with the tails cut. Then it is on with the next one...

A whole bunch of drawer sides with their tails cut. Time to mark out and cut the pins.

Marking and cutting the pins.
With the drawer end held vertically low in a vice such that the drawer side can be laid on the top at 90 degrees, this enables the accurate marking out of the pins.
The base line of the tails is lined up perfectly with the inside face of the drawer end below it. A marking knife is then used to carefully scribe the positions of the tails. A pencil is then used to mark the sides of the pins at 90 degrees to the edge.  
 With the tails marked out, the cutting to the base line is done - making sure to be right on the waste side of the scribed line, for nice firm fitting joints! Cut on the wrong side of the line and you get a useless sloppy fit.

Once again the waste is removed with careful chisel work from both sides down to the base line, resulting in a nice set of pins. As this is a drawer front side, the same will be done to the opposite end also.

A whole bunch of drawer front sides with their pins cut ready to go.

Bringing it all together.
Having done all that marking, sawing and chopping, the moment of truth finally arrives when we put the respective pieces all together. ?
  The moment of truth! The two parts of the joint, the pins and the tails, come together... like a dream.

These two parts should be able to be hammered together as a firm fitting joint. Too tight and something will split, so some trimming may be required to avoid this. However in this case no trimming was needed. If fact, no triming was required for the whole 12 joints required for these  6 small drawers. Each was a perfect and firm fit. I reckon there is nothing quite as satisfying as these joints coming together so beautifully first go!

Nice! Another good fit. Note that the extra 1 mm of overhang we had allowed for is there on both sides, to be cleaned up after the drawer has been finally assembled and the glue has dried in the joint.
It is a beautiful thing... no gaps and no filler. Just a good honest joint.
  
 If you were wondering about the fitting of the rear end of the drawers, in this case the rear joints used are a housing joint. The dovetails are only used on the front two joints of the drawer box. The groove for the drawer bottom is cut within the bottom tail of the joint, so that it is not evident from the outside. Cutting in the pin area would be a mistake!

A drawer box glued up and ready to be cleaned up and polished.
These drawers will have an additional drawer front attached to the front of the drawer box. If the visible drawer front was also the front of the drawer box, then a different type of dovetail joint would be used - a "half blind" dovetail joint. 

What about those half-blind dovetails?
The bedside cabinets each house 3 drawers. These cabinets sides are to be jointed to the top by way of half-blind dovetail joints, as there was to be no overhanging top. It will create a nice edge joint feature.

The marking out of this joint is different, as the tails do not go all the way through the adjoining piece.
   
These joints are 480mm long. Thats a lot of tails to cut!
Thats a lot of pins to cut as well...
A forstner bit was used in the drill press to speed up the removal of the waste when the pins were being cut. The cutting of the pins for a half-blind dovetail requires very accurate chisel work. Too many opportunities for nasty gaps! 

The base shelf of the cabinet is housed in a stopped trench. These joints must be fitted prior to assembly of the cabinet. The half blind dovetails have already been cut and test fitted in a "dry run".  

Here it is, the cabinet joints all glued up and ready to get cleaned up.
Cleaned up and polished. One of the joints at the top of the bedside cabinets. A good example of a half-blind dovetail joint.

So there you have it. The wonderful journey of joining two pieces of timber in a tried and proven traditional method which has both mechanical strength and aesthetic beauty. And no noisy routers.

Dovetails are such a delight to create using my trusty hand tools, and so satisfying to the soul... 


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Sabtu, 13 Februari 2016

Best selling wood projects - More wonderful Woodworking by Earth Carers

Best selling wood projects

Best selling wood projects


I recently had the pleasure of running another 4 day woodworking program for graduates of the Earth Carers Course, funded by the Mindarie Regional Council. The MRC is one of the Waste Management Authorities responsible for waste management across 7 of the local government areas in the Perth Metropolitan area. The Earth Carers Course produces people who are wised up about recycling and waste, and passionate about reducing our consumption and waste of resources. More info about the course here: http://www.mrc.wa.gov.au/Community/Earth-Carers.aspx

Held at Earthwise in Subiaco again, we offered a range of workshops - basic woodworking for those who had not done any before, and (for the first time) workshops at an "intermediate" level, for those who were hungry to learn more skills. Once again, the focus was on recycling wood which had been previously destined for land fill, and in equipping people to do that recycling by learning basic woodworking hand skills and techniques.

This was the program: 

Thursday evening: 6:00 – 8:30pm. Introductory: Make a kitchen chopping board. Learn the basics of using a hand plane and hand saw while you create a beautiful wooden chopping board from salvaged timber.

Friday evening: 6:00 – 8:30pm. Introductory: Carve a wooden spoon. Learn to work in harmony with a piece of salvaged wood in order to create a wonderful and functional wooden spoon from it. Along the way you will enjoy learning to use a range of traditional hand tools. A great way to learn to “read” a piece of wood and work with the grain rather than against it.

Saturday all day: 8:00am – 4:00pm. Intermediate: Make a handy pair of saw stools. An essential companion to the hand saw, saw stools also make handy household aids for painting, for extra seating at BBQs, portable workbenches, and so much more. While making this traditional and sturdy pair of stools, you will learn the important skills of marking out, cutting and fitting housing joints, using a chisel, using glue and screws, and so much more. A great way to expand your woodworking experience.

Saturday evening: 6:00 – 8:30pm. Intermediate: Make a pair of book ends. Here is a great opportunity to discover that woodworking classic - the dove tail joint. It will be hard to wipe the smile from your face when you have created this traditional joint by hand. It’s all about careful marking out, careful sawing, and good chisel work. Despite the mystique we give this joint these days, it used to be a basic and common jointing method. Discover this joint and add it to your repertoire!

Sunday all day: 8:00am – 4:00pm. Intermediate: Make a small garden bench seat. Using salvaged timber we will use some basic jointing techniques and fasteners to create a simple bench seat for your garden. Another great opportunity to apply your sawing skills, you will also learn those important marking and measuring skills to cut the joints, use a chisel, and use bolts and other fasteners.

As is too often the case, I was so busy teaching that I hardly took any photos of the workshops in action. However, here a few pics some of the workshops in action:
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By creating a full scale drawing of the bench seat ends on a set out board, the dimensions and angles can be taken off with a rule and a sliding bevel and transfered onto the pieces of timber for the legs. 
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For some it was the first time they had used a drill and used nuts and bolts. Making an end for the bench seats. Nice cross-halving housing joint!
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Fixing the legs and braces to a sawstool. Cut and fit the housings, then glue and screw. A whole new experience for some. Photo by Rebecca.
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Plenty of marking out and doing the saw cuts for making the cross-halving housing joints.
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Chopping the housing joints. A good chance to learn some chisel skills.
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Both the sawstool and bench seat projects provided great opportunities to develop sawing skills with a tenon saw.
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Applying Orange Oil to a completed.Silky Oak kitchen chopping board. Timber once part of a discarded bookcase.
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Special thanks to the legendary John Isherwood for his assistance through the workshops.  Shown here in action.
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Some of the participants with the garden bench seats they have made. Also on display one of the pairs of saw stools. The seat tops were pieces of wandoo floorboards. The participants first had to remove the tongues and grooves with a jack plane. 
Certainly it was a very successful program once again. It was great to offer a wide range of new skills to people in the "intermediate" groups. Thanks to the Mindarie Regional Council for having the foresight to offer these workshops to Earth Carers - and the the Earth Carers for their passion and enthusiasm.

We must significantly reduce the amount of wood which ends up in landfill. Recognising the value and potential of this important resource is part of the solution. People learning the practical skills of how to recycle and re-use this wonderful resource is another key part of the solution. I reckon we did well on both fronts...
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