MDF as a sharpening/honing substrate?
- Thread starter Eshmiel
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Jacob
What goes around comes around.
Interesting idea, that every surface has a grit size. What would be the grit size of a banana for instance, or a baby's bottom?
Eshmiel
Established Member
Experimentation will reveal the data. Why not rub your banana on various surfaces then measure the effects? To get proper data, you should do so with a perm of several bananas and several surfaces.
As to the baby bottom .... my experience as a fatha and grandfatha tells me that this will depend on what the baby has et and later extruded. Most babies will make more noise than a belt sander with bad bearings if you rub their posteriors on things, though.
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If one needs a really rough and spikey medium to rub on other humans in an attempt to reshape them, perhaps a lump of JSW would be best? But perhaps not, as it seems to just crumble into a slurry of pointless comment.
Having looked at loads of vids on line, read the posts here I have come to the conclusion
Does not matter how I sharpen or what degree the blade is, so long as it works for me
And it’s a darn good reason not to lend tools, “well it’s sharpened to how I work, it may not suit you”
Edit adding to the collection of data, after the baby bottom test, collect a group of females( or gender of your choice) and do an unshaven grit grade test
Kissing and cheek rubbing as fine refinement of hand touch test…. Have fun and as my old gran would sa
Be good, if you can’t be good be careful, if you can’t be carful… REMBER THE DATE and his/her name
Does not matter how I sharpen or what degree the blade is, so long as it works for me
And it’s a darn good reason not to lend tools, “well it’s sharpened to how I work, it may not suit you”
Edit adding to the collection of data, after the baby bottom test, collect a group of females( or gender of your choice) and do an unshaven grit grade test
Kissing and cheek rubbing as fine refinement of hand touch test…. Have fun and as my old gran would sa
Be good, if you can’t be good be careful, if you can’t be carful… REMBER THE DATE and his/her name
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Jacob
What goes around comes around.
It matters to me how I sharpen because once I get back to basics it's easy, faster, cheaper, by very large margins.
It also makes "a little and often" more viable and your chisels and planes need never be blunt, which must improve the work itself.
Also it extends tool life as I need never to use a power grinder.
That sums up why I keep going on about it - usually as attempting to answer problems so many seem to have with modern sharpening methods!
No prob for me I can easily carry on where last user left off! Might spoil his hollow grinds or other fancy details etc.
I appreciate that people don't want to know, especially if they've invested in a lot of kit, watched hours of Utube, and spent time reading the works of Brent Beach!
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mark w
Established Member
I just watched a Brent (never heard of him until now) video, he was sharpening a plane iron, didn't take him long at all, not sure where some people get their information from.
Jacob
What goes around comes around.
I just watched one too! Much like the Paul Sellers op only with paper a jig and a back bevel on the face. Quicker than you'd expect considering the length and fantastical detail of his texts. But still fussy and slow compared to normal freehand doing the same job on just one stone.
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Jacob
What goes around comes around.
Just spotted this https://www.ukworkshop.co.uk/threads/the-great-sharpening-debate.67729/#post-746688
Forgotten we'd been on the Beach before!
Pleased to be reminded of my spokeshave blade sharpening jig. Usually just the nearest bit of scrap with a saw kerf, and undercut to clear the stone. The point is not just to hold a little blade an angle but to be able to put force into the job.
Forgotten we'd been on the Beach before!
Pleased to be reminded of my spokeshave blade sharpening jig. Usually just the nearest bit of scrap with a saw kerf, and undercut to clear the stone. The point is not just to hold a little blade an angle but to be able to put force into the job.
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Eshmiel
Established Member
Much "information" is in fact a prejudiced assumption bolstering a floundering ego, an olewifey tale now hoary with age and a crust of added wild imaginings from the various tellers, "what nelly said when I was larnin" or "what my favourite dogmatist says". It's a rare thing to invoke within oneself .... disinterest.
Most of us assume that we're rational beings able to make logical judgements. We've been told this since The Puritans started giving themselves psychotherapy in their "Lives". Ha ha ha. Human history and any human acting around us says different. A human is powered by a wind of passing memes filtered through sub-conscious emotions of many kinds.
I too like to pretend to myself and the world at large that I'm reasonable and sensible. This is just a façade induced by 76 years of cultural soaking, though. These days, there are 3964 varieties of culture-soak available, in Blightedland alone nevermind cyberville. No wonder there are so many disagreements and confusions, eh?
Still, there's great entertainment to be had in discussions of these small matters of woodwork. Also, we might accidently happen on summick that works in reality - although one has to notice reality, which is these days obscured by a constant fall of irreality flakes and consumer goods. Jacob does have a point about the effects of sharpening consumer goods on woodworker psyches and wallets and practices, one feels.
Lons
Established Member
But why not............................. go to the shed where you don't have to read one word of my prattle & twaddle?
I actually did that when I realised you would rather prattle on about nothing rather than do some practicing that relates to your original question.
Made the mistake of looking back 3 pages later and you're still going around in circles.
Are you a real person or a deranged AI.
I like information. Information imparts knowledge. I also like being proven wrong, that way I learn something new.
My background is in Joinery, where time is money. Chisel needs sharpening? Be quick about it.
Took me a long time to escape the gimmick laden path of modern sharpening, and I give thanks to @Jacob for re-opening my eyes to the more traditional oilstone method. Digging my old oilstone out that probably hadn't been used in 20 years, cleaning it up, and putting it to use was a bit of a revelation, the speed, efficiency and EDGE it produces are more than enough, for me anyway.
Edit: Freehand, naturally.
My background is in Joinery, where time is money. Chisel needs sharpening? Be quick about it.
Took me a long time to escape the gimmick laden path of modern sharpening, and I give thanks to @Jacob for re-opening my eyes to the more traditional oilstone method. Digging my old oilstone out that probably hadn't been used in 20 years, cleaning it up, and putting it to use was a bit of a revelation, the speed, efficiency and EDGE it produces are more than enough, for me anyway.
Edit: Freehand, naturally.
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Eshmiel
Established Member
Can't you tell the difference? Lack of empathy and tolerance for the modes of others is probably your difficulty.Are you a real person or a deranged AI.
Lons
Established Member
Can't you tell the difference? Lack of empathy and tolerance for the modes of others is probably your difficulty.
No I'm certain, the question was in case you don't recognise it yourself.
Clearly you don't.
Jacob
What goes around comes around.
Pleased to hear it! Trad sharpening is fairly unproblematic and so doesn't get posted about so much, except in response to struggling modern sharpeners!
And if not enough just go on to a finer stone! A "medium" stone is good enough for most purposes but going super sharp is no problem.
Just peeled an orange with a penknife. Seemed a bit blunt, so with a steel, 15 seconds later it's razor sharp.
Checked out Brent Beach advice. Complete rubbish, and for him so problematic he can hardly get started!
He obviously knows nothing at all about sharpening knives.
https://brentbeach.ca/Sharpen/other.html#knife
Mind you he posts up some fairly meaningless magnified photos, so he must have spent time on the project for which we must be grateful, but not enough to help with peeling an orange.
https://brentbeach.ca/Sharpen/qx3.html#Knife Edges
edit - I just deleted my own meaningless photographs
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