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6th February Members “Turn In”

17 February, 2017

Despite some evening wet weather some 63 members still attended this months meeting with 4 visitors and 4 New Members.

 We welcome Steven Warren, Alan Biddulph, Martin Coles & Stephen Howell.

 Lynda did the usual introductions which this time included a call for several additional volunteers to help at the monthly meetings. There are vacancies for helping on Audio/visual, club shop and the raffle. There is also an opportunity for all members to help out the Minstead project with the manufacture of 300 Yew Candle Holders for Wimborne Minster, more details later in this issue.

The theme for the evening was a member’s Turn-in with three of our senior members on the lathes. All three demonstrators were surrounded by a revolving audience throughout the evening.

We had Alan Baker demonstrating the use of the Skew, turning between centres on the new club Charnwood lathe,

The skew chisel can be a very versatile tool used for planing a smooth surface on the outside of spindles as well as cutting vee-grooves and beads. It can also be used to facing off the end of cylindrical workpieces and properly handled, the skew can even be used for shaping gentle concave curves in spindle work.

skew

A selection of skew chisels: from the left,1/2″; 3/4″ and 1″ plain skews and a 1″ oval skew

 

We were treated to serious debate between the experienced turners about how the skew should be sharpened, how long a bevel and how many cutting edges there should be, all of course a matter of choice, different strokes for different folks as they say. There was however plenty of opportunity for those brave enough to turn a few beads in front of their peers.

On the second lathe we had John Holden holding court on how to turn a box and lid from some Yew Branchwood, despite a few problems with his chuck and a particularly dry bit of branch, John managed to educate his audience with a skilful narrative even when he managed to break through the side when hollowing out his box, he carried on with a smile and a joke “that’s how not to do it” and proceeded to make a matching lid which he achieved with just a few adjustments achieving such a good tight fit that he broke the box in half trying to remove the lid. Undeterred by this small mishap, and one that has happened to most of us John continued to retain is audience’s attention and moved on to making a light pull in the shape of an acorn

On the third lathe we had Harry Woolhead who promised us a few Branchwood pots, similar to those he had entered on the evenings Gallery table. Another entertaining demonstrator Harry also picked on a very hard piece of Yew Branch wood which proved hard work to hollow out, Harry showed us a similar pot that he had previously turned from a much greener piece, and pointed out the difference in ease of working with this and how you can gauge the thickness of the walls you are hollowing using his finger and thumb “nature’s callipers” also when turning green wood you can shine a torch into the hollow and this will shine through the wood as you reduce the thickness

The evening came to its close with the usual gallery critique this time given to us by Alan Sturgess, a special mention must go to Mike Haselden for his wonderful napkin rings and twisted stand with its very clever inlay effect, a major talking point around the table all evening. And the final action was the raffle draw.

Andi Saunders

6th February – Gallery

8 February, 2017

4th January – Les Thorne

11 January, 2017

Tonight’s demo was to have been by Bob Hope but Bob had to pull out because of illness. We wish Bob a speedy recovery. Fortunately Les was able to step in at the last minute and gave us a comprehensive demonstration of making a bowl, with some texturing and colouring thrown in for good measure.

Les started by talking about gouges and the confusing way we classify the gouge size in the UK. This is measured from the inside edge of the flute to the tangent on the opposite side of the rod. So a 3/8” gouge is usually about ½” in overall diameter. The Americans take a more simplistic (dare I say logical?) approach and call a gouge by its overall diameter. Les says that unless you are making really big bowls you don’t need anything bigger than 3/8” (UK).  Then there’s the shape of the flute, ranging from a wide U shape to a parabolic shape sometimes called a superflute. Protagonists of each argue their merits on the basis of capacity of the flute to conduct shavings away to rigidity of one with more steel remaining to the versatility of a compound shape to make a variety of cuts. Les likes Sorby gouges though they are the only manufacturer which doesn’t give them to him! However, any gouge from a reliable UK maker is likely to be good and consistent from one to another.

les-types-of-gouge

Then there’s the question of the grind. Les does not usually go in for long ground back wings. Such extreme shapes are good for removing wood rapidly from (wet) logs but can be tricky to use in more normal projects. (Anyone coming to the Phil Irons masterclass may well see an impressive demonstration of a more extreme grind.)  You are unlikely to get away with one shape anyway. As we will see, to rub the bevel on the inside of a bowl at the bottom necessitates a tip ground steeply almost straight across. I’ve included some pictures of Les’ gouges.

Les started turning his bowl with a roughly cylindrical ash blank with grain going across it in the usual way. So the gouge will encounter grain ranging from side to end as the wood rotates. For the purpose of the demo, Les turned the blank into a cylinder. (In practice it would have been quicker to start cutting a bowl shape from the outset). Cuts can be pushed or pulled. Simplistically, push cuts have a rubbing bevel following the cutting edge so are easier to control and give a better finish. Pull cuts can remove wood quicker, particularly with a long grind. Les used both on his cylinder to demonstrate the difference.

les-1-starting-point   les-2-turning-outside

The spigot for the base was cut next, marking the centre for alignment when eventually reversing to finish the foot. The spigot and the rim define the ends of the outside curve which Les proceeded to cut. A push cut is difficult at the spigot end when working over the bed so Les used a combination of pulling to start with transition to a push. This is a situation when a movable headstock makes life easier. Once the shape has been established, some find it helps to refine it by scraping. This can be done with a scraper or the wing of the gouge if ground back enough. A final finishing push cut leaves a smooth surface requiring minimal sanding. As the bowl curved inwards at the rim, the optimum “downhill” cut near the rim needs to be away from the rim towards the widest point. Cutting the outside curve requires the gouge to be slid along the tool rest and the gap between the rest and the surface varies with position. This is a case where a curved rest would help as the gap is more constant.

Les being Les he applied a random texture to the surface at this stage using a hand held mini Arbortech type cutter. The rough surface was smoothed using a rubbing wheel before colouring.

les-3-about-to-texture-bowl   les-4-texturing

Les used Chestnut spirit based dye which is colour fast and, unlike water based dyes, does not raise the grain. The dye was applied via a venturi-fed air brush with the reservoir beneath the nozzle to suck the dye into the air stream. A number of colours were applied and sealed with an acrylic sealer. This was not sanded as to do so would have cut through the thin layer of dye.

les-5-smoothing-textured-surface  les-6-applying-colour

The bowl was then reversed onto the chuck for hollowing using the spigot. Most of the work was done with a ¼” bowl gouge. The gouge should enter the wood with the bevel at right angles to the surface to avoid kick back. This can be difficult to achieve working over the bed. Again, a swivel head stock would make this easier.

As the hollowing progressed Les was asked about inserting the end of the tool rest into the bowl. He said he wouldn’t do that and of course he had a reason. Keeping the rest at the rim allowed the gouge to trace a curve with the rest as a fulcrum using an overhand grip. With the rest in the bowl, whilst the overhang would be less, the gouge would have to be moved along the rest as it cut making it more difficult to achieve a smooth curve. Also you would be working at the end of the rest rather than the more rigid centre. If there is a concern about vibration, use a thicker gouge, say ½”

As the bowl is hollowed, the rim impedes the gouge and it needs to be swapped for one with a steeper grind for the bottom to maintain a rubbing bevel.

les-7-hollowing

Les then power sanded the inside from 120 to 320 grit keeping the disc as flat on the surface as possible to avoid the edge cutting a groove. Having blown the dust off Les then gave the inside a light spray of yellow and added a black shadow to emphasize the undercut rim.

Finally, reversing onto a block faced with thin rubber and supported by the tailstock at the centre point (which had been marked at the start) allowed the foot to be turned away.

les-8-finished-note-arrangement-for-final-reversing

As usual Les’ demo was full of advice about tools, procedures, options and pitfalls delivered with the confidence of one who has learned the hard way and knows what he is talking about. I hope I’ve done it justice.

les-gallery-crit-with-a-graham-barnard-nested-bowl

At the tea break Les did a helpful critique of the few items on the gallery table. I know it’s been Christmas but it would be nice to have some more next time. Pictures of the gallery items are on the website.

Dave Gibbard

4th January – Gallery

11 January, 2017

5th December – Christmas Social

17 December, 2016

A very successful end of year club night was enjoyed by all who attended, sadly there were only 45 members present with ten guests in attendance

As usual in recent years our chairman Lynda had produced a fantastic range of baked goods, which people were taking by the plateful, myself on a strictish diet fasted on satsumas and grapes until finally succumbing to a small portion of delicious carrot cake, which Lynda reassured me was made with a low-fat cheese spread and contained lots of carrots.

The evening kicked off with four rounds of the popular annual quiz, we had six teams competing, it was interesting to see several people joining Les Thorne’s table from the start, another was made up of mainly the “Tea Boys”, The first four rounds covered Sports, Musicals, Birds and Leaves. Lynda was quiz master and Dave Gibbard her “pointless friend” was score keeper. I would like to acknowledge at this point how much work Dave does for the group always keeping the committee and members up to date with his email announcements, he also puts a lot of work into the quiz and proof reading my reports etc. as well as doing all of the gallery and demonstrator photography thanks Dave.

We then had the tea break and Lynda’s confectionery buffet.

The second half of the evening started with the club challenge, which was to make something propelled by an elastic band. Just a disappointing 5 entries which included a racing car, a rolling cylinder a cannon and my personal favourites, by the two Dave’s, Gibbard and Simpson. Santa chasing his reindeer in a small jet plane and two rockets that hit the ceiling respectively.

Judging was carried out by a brave visitor, Keith’s wife Susan. The concours prize went to Dave Gibbard’s “Naughty Reindeer” and the performance prize to Dave Simpson for his spectacular rocket launcher. You can see all the entries on the website.  

We then returned to the quiz, which included rounds of “Name that tune” (played on the keyboard by Lynda), “Television”, “Who, What, Where” and the ever popular “Two Peas in a Pod”. The eventual winners were The Tea Leaves, who stole the show (sorry).  As usual the evening ended with the raffle run this month by Keith Barnes.

All in all a great evening’s entertainment, which just goes to show what a friendly group we are at Hampshire.

by Andi Saunders

5th December – Gallery

11 December, 2016

7 November – Les Thorne

13 November, 2016

When Andi couldn’t make it and asked me to do the report of the meeting I knew it was going to be an impossible task. The comments just pour out of Les. Les “owns” the November slot at HWA and never disappoints. He has an instinctive knack of using tools and a knowledge of what is going on at the cutting edge. He manages to explain it too with a relaxed, confident style and light hearted banter.

 

Of course it wasn’t always like that. Years ago I often used to escape from work and slip along to WJT at Alresford where Les’ father Bill held court and abused his customers. I say customers but it was more of a social gathering than a sales activity. Bill announced that his lad was thinking of doing woodturning professionally but he thought he wouldn’t make it.

 

But Les is as determined as his father and stuck to the task, making friends with and taking advice from the experts and taking on repetitive production jobs, turning his mind to reducing the time to actually make them profitable (and finish early to go fishing).

les-01-box-options   les-02-cheeky-grin-and-box-options

Les’ demo this time was a box like a Greek vase on a pedestal with a finial lid. He had written this up as an article for Good Woodworking, so when I fail to report the detail, maybe you can get a copy! He likes the magazine as it has a broader readership than just woodturners (and the editors are less picky than Woodturning). A show of hands revealed only 3 readers in the audience. He showed 2 versions of the box and almost everyone preferred the one which is easier to make.

 

So he proceeded with a piece of oak (not a very suitable material for a box because of the porous end grain but he likes a challenge). A square section was turned to round between centres with a roughing gouge. The tool edge is ground to about 45o give or take 5 so it is not critical. He then used his version of a round skew to make chucking spigots at both ends, leaving a small diameter cylinder protruding at one end to become the tip of the finial.

les-03-turning-cylinder  les-04-turned-spigots

He partly cut in at the point of division between lid and base after some discussion about rules for the correct ratio, concluding there was no such thing, it just has to look “right”. He then mounted it in the chuck at the base end to allow him to shape the small onion top of the finial before parting off the lid.

les-05-division-point-note-finial-tipHe mounted the lid in the chuck gripping the spigot but with the top of the finial inside the jaws and this allowed him to turn the underside of the lid. He reduced the width of the remainder of the finial part leaving the final turning of it until later.

les-06-turning-inside-lid   les-07-reducing-finial

Putting the base in the chuck he then proceeded to hollow it. There was a lot about hollowing end grain using his “magnetic pencil” as a pointer to show the angle the gouge was being held, initially pushing the gouge into the centre and pivoting it on the rest. As the recess became deeper the shape had to deviate from a circular arc involving a combination of first pivoting then pulling, rolling the tool at the same time to prevent the wing digging in. A  case of easier done than said maybe.

les-08-hollowing-base-note-pointer-on-gouge

Les addressed the thorny(!) problem of the pip in the middle. You can’t get rid of it until you understand what causes it. If you push the gouge too hard when starting the arc it will not start cutting until slightly off the centre (as the wood is not moving onto the tool at the centre) leaving a pip. The way to avoid it is to push the gouge in at the centre first, thereby drilling a small hole then start the arc without pushing. It will then just cut sideways from the hole. This time a case of easier said than done I think.

Les finished the inside with a fashionable negative rake scraper. This is simply a scraper with the top surface edge ground at an angle down towards the scraping edge. The benefit of this is that the scraping edge is always presented to the wood as though it were trailing even in a deep hole. This also makes it much more tolerant of the angle it is presented to the wood so there is much less chance of a catch.

He then cut the recess to suit the lid which he inserted and supported the finial tip with a hollow tailstock via a tissue pad to avoid damaging it. He then turned the remainder of the finial with gouge and skew.

les-09-turning-finial-note-support-from-tailstock-pad-and-fingers

Finally the base was turned to the Greek urn shape.

les-10-voila

In between the lid and the base, we had the tea break and Les’ critique of the gallery. Just 9 items this time but they made up for lack of numbers by sheer size and quality. Some lovely pieces as can be seen from the pictures on the website. Mike Haselden’s wonderful huge Monkey Puzzle bowl and Chris Davey’s exquisite laminated lace bobbins took my eye.

les-critique-with-harry-butler-platter

With just minutes left, Les had some fun with the skew. He conceded there is an element of risk using a skew with spectacular catches waiting for the moment of distraction. You have to concentrate and keep the tool moving forward. Dig-ins occur when you pause.

There are 3 parts of the skew that can be used, the long point, the centre area and the short point. The central are gives the best finish (though all 3 can be very good) but is most sensitive to hesitation, the long point is the most tolerant. So concentrate, keep moving and keep the tool sharp.

As usual Les delivered an instructive and entertaining display. Let’s see some finial lidded urns on the gallery table after Christmas.

Dave Gibbard