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Sharpest knife.....made of WOOD!!


 
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kcm.MN
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Joined: 20 Feb 2017
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Location: NW Minnesota

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PostPosted: Wed Feb 14, 2018 10:52 am    Post subject: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

Remember our friend from the other day? The sushi chef(?) who sharpened that knife so ridiculously sharp? If you didn't get a chance to see, it's really quite impressive.
http://forums.yesterdaystractors.com/viewtopic.php?t=1343649

Well, he's at it again, only this time with wood. The wood he's using is the world's hardest wood; Lignum Vitae. I almost ordered some of this wood back in the day, just to see how truly hard it was, but never did. Now I feel like I missed out! Well, here he is.....again:
https://www.youtube.com/watch?v=kKH63_r0OCA
 
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jeffcat
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PostPosted: Wed Feb 14, 2018 2:11 pm    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

When I worked in a school district years ago the wood shop guy had to
order samples of all kinds of wood from around the world. Think it was
Australia, Iron wood. Stuff was almost black and blasted hard and
pretty heavy too. Also very expensive.
 
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jeffcat
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PostPosted: Wed Feb 14, 2018 2:16 pm    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

Saw on TV two nights ago. The Bavarian Edge knife sharpener. The guy
sharpened a credit card with it and sliced a tomato in half. WOW.
 
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Steve@Advance
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PostPosted: Wed Feb 14, 2018 4:04 pm    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

I've heard of Iron wood.

There was a wood working show a few years back, they were making high end furniture out of strange woods.

One was made from trees that had been buried for hundreds of years. They were so hard they couldn't be cut with an axe, so they would dig a hole, dig under until the roots couldn't hold, push it in the hole. I want to say it was iron wood, but been a few years...

Thinking Africa, Australia?
 
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pete black
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PostPosted: Wed Feb 14, 2018 4:20 pm    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

Lignum vitae wood was/Is used as turbine guide
bearings in hydro electric plants. That wood
has other characteristics other than its
hardness that made it desirable for that
purpose; it could be easily shaped and it's
surface became slippery when wet. When allowed
to dry out it developed cracks throughout the
wood, for that reason strained raw water was
kept on all the time, even when the unit was shut down. Those bearings are
water lubricated and cooled. Even the spare wood was kept covered in a vat of water. These where units that was produced in the 20/30's and still in use today. Today that bearing material was upgraded to a type of plastic composites.
 
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jeffcat
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PostPosted: Wed Feb 14, 2018 4:24 pm    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

This piece on the net is 3x6 inches and costs $6.oo for thus sample piece.

 
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kcm.MN
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Location: NW Minnesota

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PostPosted: Wed Feb 14, 2018 5:05 pm    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

There isn't really any specific wood that is called "iron wood". The name is aptly applied to whatever the hardest wood is of any given area. Even Osage Orange has the name of iron wood in some areas.
 
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Ian Beale
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PostPosted: Wed Feb 14, 2018 10:16 pm    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

We have a local "iron wood" here (Acacia excelsa) but it isn't used commercially. A botanist of times agone reckeone its name in one area was "f123 axe"
 
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Ian Beale
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PostPosted: Wed Feb 14, 2018 10:18 pm    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

Reckoned in above
 
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Noah W
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Location: Hamptonville, NC

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PostPosted: Thu Feb 15, 2018 10:08 am    Post subject: Re: Sharpest knife.....made of WOOD!! Reply to specific post Reply with quote

In Jr. High a guy made a complete working tool kit outta wood. Screwdrivers, both flat and phillips, complete set of combination wrenches in ?" increments from ? to 1". A set of 6"/8"/10" adjustable wrenches, and several sizes of pliers, both slip and channel lock. There were three of four different size ball peen hammers and a framing hammer. Every thing was on a 1 to 1 scale. They all worked just like the real thing. The tool box he made for it had three working drawers. You could hold one up beside a Snap on or Craftsman tool of like kind and they were a perfect match. The only difference was one was made of a dark mahogany and the other was steel. It took him working every day in shop class two years to make.
Amazing work for a 14/15 year old kid.

Noah W
 
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