So, Does Homemade Honing Steel Work?

I think it does.

My mom’s knives needed to be sharpened. Normally I would sharpen the knives with the current manufactured batch, but since the honing steels, whilst not finished yet, got to a stage when they can be at least tested, I have decided to test them. So instead of sharpening the knives on my belt grinder and stropping them with the MDF wheel, I have sharpened them the old fashioned way on a whetstone and then honed the edge on steel.

First a picture of a “blunted edge” bevel.

Edge bevel before sharpening. © Charly, all rights reserved. Click for full size.

You can see the perpendicular scratches right near the edge. Those were made by the belt sander. The angled scratches are from half-arsed maintenance with a whetstone that I have done last week when I did not have time to do the job properly. This is not, strictly speaking, a blunt knife. It would still take yer finger off in a jiffy and was perfectly fine for hard veggies like carrots and taters. But it did struggle with tomatoes a bit. Notice how the light reflects differently from the mirror-polished primary bevel, which thus appears nearly black.

As far as size goes. this bevel is very small – about 0,3 mm wide.

100 grit bevel re-established at ca 15 °
© Charly, all rights reserved. Click for full size.

First I have re-established nice regular bevels at 15° with the rough side of the whetstone, which has circa 100 grit. 15-20 passes were needed, even though the bevels are very small – the steel is very hard. It does not look very different from the first picture, except for the scratches being all angled all the way to the edge now. On carbon steel, this would establish a so-called “needle” which is a thin foil of steel on the edge that bends and cannot be ground away, but I have not seen this happen with N690. The needle here breaks usually off very easily, leaving behind a bit of jagged edge.

320 grit bevel smoothened
© Charly, all rights reserved. Click for full

Fine 320 grit side of the whetstone is used to slightly smooth the edges and eventually break off the needle on harder and brittle steels (like most stainless steels). However here it does not look that much different from the second picture, which I did not expect. The knife at this stage is perfectly capable of cutting tomatoes, but it does not shave hair yet. And this is where the test of the honing steels comes into play.

Bevel burnished by honing steel.
© Charly, all rights reserved. Click for full

Now the bevel looks significantly different from before. Note that the edge is now mirror-polished between some of the deeper scratches – the light reflects very differently from the bevel than it did before. The knife is now also shaving-sharp not only tomato-cutting-with-its-own-weight sharp.

So TLDR is –  Although this is not a scientific proof, I am convinced and I think the honing steel works as intended.

Kitchen Knives Set – Part 5: “Fun” with Resin

Somebody somewhere in the comment section (I think on Marcus’s blog) expressed dislike for resin stabilized wood along the lines that it is the same as making the handles out of plastic. I disagree. Stabilized wood is a pain to work because it behaves like plastic in that regard, but it does not look like plastic and neither does it feel like plastic in the hand – it feels like wood. And as I was working on this project, I found out that it even sounds like wood – stabilized pieces give out very nice clonk-clonk when hit against each other. I think it might be possible to make musical instruments out of it, but I won’t try.

However, before said wood reaches its desired stabilized state, I have to work with epoxy resin. Lots of it.

I hate it.

It is gluey, it sticks to absolutely everything and it is transparent, so when it drops somewhere it is difficult to see in time. Tools and surfaces need to be cleaned with paper towels soaked in denatured alcohol, which is not cheap and the fumes do not smell exactly delicious. And the work needs to be done fast, because if the epoxy gels, it won’t soak into the wood no more.

With my macgyered vacuum pump I have reached a vacuum of 0,2-0,3 bar, which was sufficient for extremely porous wood, but might not be sufficient for this. Applewood has very small pores and is very hard, even the very decomposed pieces were still harder than for example poplar or basswood. So I have decided to bite the bullet and buy a small, cheap vacuum pump in the hope that it will work better. And it does – and it does not.

© Charly, all rights reserved. Click for full size.

Even with my poorly sealed pickle jar, I have easily reached vacuum 0,6 bar within a minute. The wood released so many bubbles that the resin developed foam head like beer.

However, the pump also got very hot after a few minutes of running, which made me a bit worried. My macgyvered pump was a bit cumbersome and awkward, but overheating was completely a non-issue. I am not so sure about this one. I hope it does not burn out before I at least get to sell some knives.

© Charly, all rights reserved. Click for full size.

Overheating aside, the wood soaked up the resin very nicely and although I have only used clear resin, it developed very nice and pleasant colors. The resin would cure over time at room temperature, but it is possible to speed up the curing by heating it to 60-80°C. So I did that the next day and I baked the pieces for two hours, after which I could appreciate the nice clonk-clonk that I was talking about at the beginning.

I have also approached the issue a bit more scientifically this time and I have weighed all the pieces before and after. Here you can see the results.

© Charly, all rights reserved. Click for full size

This made me very happy with the results. The relatively healthy wood has gained approx 30% in weight, the not-very-much rotten root wood doubled its weight and the more decomposed wood has almost tripled its weight. All pieces of similar size weighed approximately the same after the stabilizing process, irrespective of what wood they were made of. And finally, all pieces when put in water either sunk completely or just barely floated with 99% submerged. So even the relatively healthy wood should be soaked up with resin to sufficient depth.

Now that the wood is stabilized, the only thing that is left is to psych myself up to go into the freezing workshop and finish the knives. Which includes first a bit of grinding and drilling, and then a lot of gluing. Even more fun with epoxy awaits, hooray!

Doiling Away All the Time

My vacuum pump was delayed one more week but it should be due to arrive today afternoon. In the meantime, the weather was cold and I could not be arsed to heat the workshop and start another project. So I have decided to spend some time exercising my bobbin lace making skills again.

Last year I have taken my grandmother’s old blueprints and I scanned them. And now I took the scans to photoshop and I refined them into a form that can be printed out.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

As you can see, these are true antique blueprints, made with the technology that actually gave us the word.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

For the printable templates, I have refined the curves a bit but I have done my best to preserve the original placement of pins and knots as well as the type of weave. My intention was to reproduce the old work, not to reinterpret it.

Round doily, ca. 16 cm across. © Charly, all rights reserved. Click for full size.

Round doily, ca. 20 cm across. © Charly, all rights reserved. Click for full size.

Oval doily, ca 16×25 cm. © Charly, all rights reserved. Click for full size.

Doilies are insidious. You make the inner circle first and that is quick and easy. Then the next inner circle takes a bit longer but it is fairly quick still. The next one then takes even longer. And the outermost one then drags on and on for what feels like forever.

Bobbin lace making shows itself to be a reasonable upper-back and shoulder exercise. The bobbins weigh next to nothing but holding your hands at breast height for hours is not easy. It is not exactly hard work, but it is not as easy as some might think.

Regarding my technique, I am not at my mother’s or my grandmother’s level yet. I am not able to hide the beginnings/ends as well as they do, neither can I make some types of lace (the diamond shapes on the last one are fugly) as neat and regular as they do. However they both were making bobbin lace since childhood and for decades, whereas I only learned it last year, so I am not losing any sleep over not being as good as they.

Snowy Glitter

Yesterday we had a rare occurrence – a sunny day in winter. With pristine snow.

It did not lure me outside, I loathe winter with a passion and winter sports even more. But I did point my camera out of my window and did some clickety-click. It looks pretty. From the inside of a warm living room.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

Kitchen Knives Set – Part 4: Getting Some Serious Wood

Since I have spent more time making the blades than I originally intended, I have decided to go the full hog and NOT make the handles out of some plain wood. Instead, I have decided to kill two birds with one stone – to get some fancy wood for this project and to reduce the clutter in my raw material storage. I have decided to use the apple stumps that my neighbor gave me.

First I had to cut the stumps into smaller logs of course.

© Charly, all rights reserved. Click for full size.

That was not fun. Like, at all. I hate working with a chainsaw because the work quickly exhausts my meager strengths. Luckily the battery in this small saw gets drained after about half an hour of serious work, so with two batteries, I can get in about one hour of work before having to take a long break. Which is about the duration that I can do this without trouble.

Even so, before I was done it did actually happen once that the batteries held longer than I did and I got unpleasant mild hypoglycemia. That did not happen to me for a long time, but it was a reminder that absolutely must not skip or delay meal breaks.

I also blunted and had to sharpen the chain at least three times because there were small stones embedded in the wood.

© Charly, all rights reserved. Click for full size.

Next came cutting the logs to a smaller size on a circular saw. Another not-favorite work of mine, since my circular saw is small and not exactly up to the task. I am also afraid of it most of all my tools. But I managed it mostly, although I too blunted the blade again by hitting an invisible stone inside the wood. That was not a happy week at work. I can tell you that. This I cannot sharpen myself, I have to pay for it and it ain’t cheap.

© Charly, all rights reserved. Click for full size.

Aaand more cutting! This time on my Crappola bandsaw. I “only” broke three saw blades before cutting most of the wood down to workable size and shape. And whilst these are cheap on an individual basis, three at once cheap ain’t no more.

© Charly, all rights reserved. Click for full size.

And these are the pieces that I have decided to use for the actual project – there is plenty more for future projects, including some smaller pieces of burl. So I did get some value for the destroyed sawblades, only not as much as I would like to.

On the left is some partially rotten but still reasonably hard and strong root wood. It still gives a nice resonating “clonk” when struck. I do love the stripey coloring, given to it by the decay.

In the middle is some mostly healthy wood, still completely hard and strong, but with a few cracks and occasional woodborer-holes. I hereby declare that those add to the character. They are inevitable parts of wood harvested from a tree that stood dead for several years.

And on the right is some really fancy looking spalted wood. This is so decomposed (by a fungus), that it is significantly softer and less-dense than healthy wood. It sounds a bit dull when struck too. But it is still not so soft and spongey that it would be unworkable on its own. That is important, otherwise I could not do my next step.

© Charly, all rights reserved. Click for full size.

© Charly, all rights reserved. Click for full size.

I have cut the slabs and I cut and ground rough outlines of the handles, with a few mm to spare. This will save me some resin later on and it will also mean I won’t have to grind away as much resin-soaked wood as I would otherwise. Which is good, because working resin stabilized wood sucks. Majorly.

© Charly, all rights reserved. Click for full size.

And now the wood is drying up on the heating radiator in my living room. Not only does it need to be completely dry before I proceed, but it also has to wait until my ordered vacuum pump arrives. I do hope it does arrive next week. It is already delayed a bit. I also hope it works OK and that I have not thrown 100€ out of the window.

I do love that I have got three sets of different woods, all from the same species but each with its own unique character. I do not think I will dye the resin for these and I will just infuse them with a clear resin, leaving all cracks and holes distinct and visible. I think there is real potential for beauty here.

 

Wind Power for Standing Rock

The Dakota Access Pipeline issue is still not fully resolved, but that does not mean that one cannot work on another issue. And in fact, people of Standing Rock are building a wind farm. For more information go here. If you can afford to donate, you can do so here. Current donations go towards building an access road to the future wind farm.

Tumbler Upgrade

My tumbler works well for some blades and worse for others, and it works really well for removing scale from pieces with complicated gomtry. However, as I alluded to last time, I had several problems with the drum itself.

The first problem was the water tightness. Not only the lid was not properly watertight, but the sides were neither. I have used screws to secure three wooden planks inside to prevent the contents from simply sliding around the inside without tumbling. And the water was seeping around the screws too. I was able to make it watertight in the end, but it was still not ideal. Plus the inner wooden ribs got worn down a lot quicker than I thought they will, they impeded the contents probably a bit too much.

The second problem was the change of the tumbling medium. I found out that fine gravel with water works great for removing scale, fine sand with walnut shells for a nice satin finish, and walnut shells with ferrous oxide for an even nicer satin finish. However, getting all of the coarser medium out of the drum in order to be able to use a finer one has proven to be nigh impossible. I did not run into any quality problems due to this, given the limited amount of time I have used the tumbler so far, but it did worry me enough to actually postpone its use until I find a solution.

The main problem was finding some kind of receptacle with a screw-on lid of the right size. I was crawling the internet occasionally for months, I even recruited my mother to help me, but we found nothing. We found plenty of products of course, but there were not always measurements written near them and thus we could not order them. And when the measurements were written, they were always of the ronk size.

But the week before Christmas I got lucky and during shopping for groceries, I stumbled upon just the thing I needed. I bought six pieces without hesitation. And this week I took a break from making knives and I made six new tumbling drums. That way I can use six different tumbling mediums without having to worry about contamination.

I started by cutting a 38 cm piece of 100 mm plumbing pipe that remained surplus during house renovations. It is a bit discolored on the outside because it lay outdoors in the sun for a few years, but other than that it is completely fine.

© Charly, all rights reserved. Click for full size.

Second, I have marked and cut in half the receptacles.

© Charly, all rights reserved. Click for full size.

The receptacles were a teensy tiny bit too big and did not fit inside the pipe, but that was not a problem since they are made from PET which is thermoplastic. I have carefully heated the edges with my heat gun and they shrunk a little when cooling town. The edges are not very neat, but that is not a problem.

© Charly, all rights reserved. Click for full size.

Copious amounts of adhesive putty helped to seal both the bottom and the top of the receptacle into the pipes. This was actually the hardest work of all, the putty is a bugger to squeeze out of the tube. theoretically it cannot glue PE, PP, and PTFE, but I did glue PVC to PP with it and it held watertight and strong enough so PET to PVC should not be a problem either. Maybe it won’t be the strongest possible bond, but it should be strong for this application. It is strong enough for me to be able to screw the lid on very tight.

© Charly, all rights reserved. Click for full size.

To prevents the contents from sliding and force them to tumble I have decided to try a different approach, one that does not involve breaching the integrity of the pipe. I have cut three pieces of PVC vinyl flooring, also surplus from house renovations. On one side of those pieces, I have made four cuts and inserted the uncut end s into them as depicted.

© Charly, all rights reserved. Click for full size.

Duct tape helped to hold the pieces in place while I rolled them together and inserted them inside the pipe.

© Charly, all rights reserved. Click for full size.

And voilala (or somtin’)! The inside of the drum is not smooth and round anymore, so the contents should be forced to tumble.

© Charly, all rights reserved. Click for full size.

There were some bugs to figure out and correct. The lids were not perfectly watertight, but I was able to cut circular gaskets from some softer leftover PVC vinyl flooring that has solved that problem. I also had to increase the span between the bearings on the axel on which the drum spins, because I am an idiot and I did not measure it correctly and I made the drum too big.

Currently, it is spinning with fine gravel and a few uncleaned broken blades to see how it works. After twelve hours there were no major problems and it did make reasonable progress on removing the scale.

© Charly, all rights reserved. Click for full size.

One problem remains and I have yet to find a good solution to it. During tumbling, some bigger particles of the tumbling medium (a fine stone or a piece of walnut shell) do wander into the thread of the lid and make it difficult to open the drum afterward. I have tried a few things, but so far without success. But as long as the lids do not get stuck completely, it is a minor issue and I am sure I will find a solution eventually.

 

Merry Holymas

Merry whatever you celebrate. I personally would not mind a little war on Christmas, I hate the holiday and everything it officially stands for (hint- it does not stand for love and family, that is most people’s personal addition). But I love the winter solstice and the promise of longer days and shorter nights again. We had an extremely warm bud muddy and gloomy fall so far, but today, finally, winter has begun for real – we had our first real snowfall of this year.  That has cheered me up ever so slightly.

© Charly, all rights reserved. Click for full size.

I might have to dust off the snow of the bonsai trees, if it gets wet, it could break them.

So, Howsda Brexit Goin’?

The UK is supposed to leave the EU finally and definitively at the end of this year and as each week some deadline is being set only to be ignored/postponed again, it is like watching a train wreck in slow motion. I will not pretend to be very well informed on the negotiations and everything with them, but I would like to shortly muse about one phenomenon that I see online.

Before and after the vote for Brexit, the Brexiteers with Farage, Rees-Mogg, Johnson and similar upper-class twits were all saying how easy it will be to close a comprehensive trade deal with EU and how after being freed from the EU restrictions they will be able to also negotiate much, much, much better deals with everyone else. After all, the UK is the fifth-largest economy in the world and the EU needs the UK much more than vice versa, so negotiations will be easy because the UK holds the longer end of the stick, etc. And even if no-deal happens, no biggie, cuz everyone else will clamor to fill the gap in business with the EU.

So far the UK has closed several trade deals with other countries, and most of them are just copy-pasted trade deals that those countries have with the EU. The trade deal with Japan is worse (for the UK) than the one the EU has. And the trade deal with the EU does not go so well so far. In fact, it seems that hard Brexit is creeping ever closer.

And the rhetoric of online brexiteer experts is suddenly concentrated on how the EU bullies the UK and tries to punish it for leaving. The EU is the bad guy, of course, refusing to back down and give the UK everything it wants. To which I would say – so what?

Those brexiteers who will inevitably blame the EU for any negatives that befall the UK due to this mess seem to me to fail to grasp a blatant contradiction in their own reasoning. Not only in claiming that the UK is bullied by someone who, supposedly, was supposed to have a weaker negotiating position. But also they are often hardline libertarian capitalists, for whom negotiating from the position of power with the intent of screwing the other party completely over is a good thing. So by their own logic, even if the EU is the bully (which I do not think it is) and is just trying to screw the UK over to teach it a lesson (which I do not think it is) they should just admire the business acumen and negotiating strength of the EU instead of whining how persecuted they are, shouldn’t they?

It looks like the British Brexiteers do show here one common characteristic of conservatives the world over. They fire the sweepers, then the drop banana peels on the floor willy-nilly and when they inevitably slip and fall flat on their arse, they blame everyone else.

Kestrel Whoosh

Yesterday evening I heard a banshee wailing behind my window. Well, not being superstitious and knowing my birds I feared not for I knew it was no banshee but a kestrel. The little bugger has probably slept somewhere in my roof beams and decided to give me a loud “good night” just before sundown. In the morning, shortly after I woke up, I heard it again, so I put on a jacket and went out to take a look. And I saw the bird whooshing over the roof, confirming my surmise. I do not know exactly where it was overnight, but it was indeed somewhere near my window.

Later on, just as I was preparing to go pick up my mother at a hospital after successful surgery, I spotted the bird on a tree in my neighbor’s garden and I have managed to make a few pictures before it whooshed again. I even managed to open the window, although it did not help too much, the weather was foggy and the lighting was craparooni.

© Charly, all rights reserved. Click for full size.

More pictures below the fold.

[Read more…]