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walnut and hickory mystery hammer

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Project by yrob posted 10-17-2011 04:11 PM 2540 views 5 times favorited 9 comments Add to Favorites Watch

This was one of the two things I made this weekend. This hammer is made with a hickory handle and a walnut head. Its the “mistery hammer” as shown by Roy Underhill in one of his TV shows.

I was over at his shop this weekend and we made this along with a bow saw (which I will post later when I finish shaping the second arm..).

This was challenging to make as it requires very precise layout and cutting. there is the illusion of a dovetail on each side of the face and the handle is split in three, producing three thru-tenons. I probably will card-scrape it smooth and finish it with wax.

Yves

-- Yves





9 comments so far

View PurpLev's profile

PurpLev

8476 posts in 2393 days


#1 posted 10-17-2011 04:25 PM

nice. always interesting to see these exposed unique joineries around the shop.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View Sarit's profile

Sarit

494 posts in 1884 days


#2 posted 10-17-2011 05:58 PM

That is a mystery. How do you get the walnut head onto the handle?

View woodzy's profile

woodzy

416 posts in 1423 days


#3 posted 10-17-2011 07:37 PM

Nice looking hammer.
The joinery is really interesting.

-- Anthony

View Bricofleur's profile

Bricofleur

1194 posts in 1938 days


#4 posted 10-17-2011 08:04 PM

Nice hammer and great job. I keep that in mind for my own shop. Thanks for posting.

Best,

Serge

http://atelierdubricoleur.wordpress.com

-- Learn from yesterday, work today and enjoy success tomorrow. -- http://atelierdubricoleur.wordpress.com

View RGtools's profile

RGtools

3314 posts in 1399 days


#5 posted 10-18-2011 03:15 PM

This hurts my brain a bit. Roy has a knack for finding that kind of stuff.

-- Make furniture that lasts as long as the tree - Ryan

View yrob's profile

yrob

340 posts in 2397 days


#6 posted 10-18-2011 03:22 PM

The “secret’ is in what you do not see. On the face facing the handle, the tail is not cut square, it has bold angles such that you insert the handle by bending it to make the large part slide from the bottom where it is large enough.
That slot is tapered as well and end up less deep on the other face. When you hammer the handle in (you want a very tight fit), you start by bending the two tails with a C clamp and clamp the head in a Jorgensen clamp to avoid having it split. As you push forward, the tails wlll gradually “unbend” until you reach the end.

Roy has an article this month on popular woodworking (the impossitails) showing how to cut this pseudo dovetail in square stock. For this hammer. its done on both faces and you also have a tenon in the middle.

-- Yves

View yrob's profile

yrob

340 posts in 2397 days


#7 posted 10-18-2011 03:31 PM

Regarding using this in the shop, its adequate for light work, not for banging hard. The Walnut head has a lot of material removed from it in order to achieve this jointing trickery. It is possible to make it with slightly less bolt angles to end up with more material and make it stronger. As Roy was saying, it is mainly designed to irk people..

-- Yves

View RGtools's profile

RGtools

3314 posts in 1399 days


#8 posted 10-18-2011 08:24 PM

mission accomplished.

-- Make furniture that lasts as long as the tree - Ryan

View LittlePaw's profile

LittlePaw

1571 posts in 1823 days


#9 posted 10-19-2011 07:36 AM

I love these trick/mystery creations. I;d have to look into it! Nice work, Yves!

-- LittlePAW - The sweetest sound in my shop, next to Mozart, is what a hand plane makes slicing a ribbon.

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