LumberJocks

Striking knife/ luthier knife

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Project by Dave Rutan posted 01-03-2017 09:43 PM 495 views 1 time favorited 10 comments Add to Favorites Watch

I’ve been sort of gearing up in preparation to teaching myself how to rehair violin bows and maybe do some other lutherie [link]. So as to not put out any great $um, I’ve Googled images of what tools are used. Many of them look like variations of tools around the workshop. One in particular looks a great deal like a striking knife.

I started with an old, dull 3/4 inch spade bit. I marked a 45 degree angle on it and grouned it down with my bench grinder, keeping it cool with frequent water dippings. I then used my belt grinder to put a bevel on one side of the blade. I honed it to sharpness on a whetstone. It’s not scary sharp, but it’s sharp.

For the handle I took a scrap piece of walnut and cut it to rough size. I drilled a hole in one end to fit the shank of the bit into. fitted a copper ferrule around the hole and forced the bit shank into the hole. Some sanding and shaping followed. I finished it with boiled linseed oil. I think it looks pretty cool too.

Note: As a striking knife, I think the beveled edge is on the wrong side for a rightie like me. For a lutherie or carving knife, I think it’s okay. Let me know if I just made this backwards. I can probably fix it.

[EDIT] The real answer is that this knife is sharpened on the correct side, but that I will need to make a second knife that is sharpened on the other side. Different knives, different uses.

-- Ni faru ion el ligno!





10 comments so far

View  woodshaver (Tony)   's profile

woodshaver (Tony)

4439 posts in 2926 days


#1 posted 01-03-2017 09:52 PM

Great Idea and well done! Nothing like making your own tools!

-- St Augustine FL, Experience is the sum of our mistakes!

View Dave Rutan's profile

Dave Rutan

1537 posts in 1761 days


#2 posted 01-03-2017 11:15 PM



Great Idea and well done! Nothing like making your own tools!

- woodshaver (Tony)

Thanks. Sometimes it’s the only way to get what you need.

-- Ni faru ion el ligno!

View majuvla's profile (online now)

majuvla

9904 posts in 2440 days


#3 posted 01-04-2017 09:19 AM

Very creative. Fine looking tool.

-- Ivan, Croatia, Wooddicted

View Dave Rutan's profile

Dave Rutan

1537 posts in 1761 days


#4 posted 01-04-2017 01:35 PM



Very creative. Fine looking tool.

- majuvla

Thanks, Ivan!

-- Ni faru ion el ligno!

View calisdad's profile

calisdad

294 posts in 1082 days


#5 posted 01-04-2017 05:11 PM

What a great idea. Sometimes the obvious isn’t so obvious.

View Dave Rutan's profile

Dave Rutan

1537 posts in 1761 days


#6 posted 01-04-2017 05:15 PM



What a great idea. Sometimes the obvious isn t so obvious.

- calisdad

I’m glad you like it.

-- Ni faru ion el ligno!

View helluvawreck's profile

helluvawreck

24791 posts in 2439 days


#7 posted 01-04-2017 06:12 PM

Well done! It looks like a great shop made tool. It should be a fine addition to your shop.

helluvawreck aka Charles
http://woodworkingexpo.wordpress.com

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View DreganTepis's profile

DreganTepis

10 posts in 84 days


#8 posted 01-05-2017 04:22 PM

It looks great! I’ve been wondering where to source cheap tool steel for such a project!

And it’s not on the ‘wrong’ side, but it is for a left hand / left side mark!. These usually get sold right handed as single knife; or in a set of three… right, left and double bevel. Get started with this one, but you may find you want to make the other two as well.

-- Red pencil, red marker, marking knife... doesn't mater, the wood will end up the same color.

View Dave Rutan's profile

Dave Rutan

1537 posts in 1761 days


#9 posted 01-05-2017 05:02 PM

Thanks! I may just grind the bevel on the other side and pretend the knife is older. ;-) John Heisz among others has made a few knives on YouTube. I think I should make a carving knife too.

-- Ni faru ion el ligno!

View Dave Rutan's profile

Dave Rutan

1537 posts in 1761 days


#10 posted 01-13-2017 10:33 PM

The real answer is that this knife is sharpened on the correct side, but that I will need to make a second knife that is sharpened on the other side. Different knives, different uses.

-- Ni faru ion el ligno!

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