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Three log bench - PEP BB roundwood.sand.bench

BB round wood woodworking - sand badge
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This is a badge bit (BB) that is part of the PEP curriculum.  Completing this BB is part of getting the sand badge in round wood woodworking.

The three log bench is a bench with two logs as the legs of the bench, and the third log is used for sitting on.



In the example above, the two logs that make up the legs are sawn flat on on the top side. The third log is sawn flat to meet the legs, and flat on the top for sitting.  But there are many ways to join the pieces to make a strong, stable bench.

For this BB, you must create 2 saddle joints.   This means cutting a curved shape into the legs to hold the bench log, OR cutting curved shapes into the bench log to sit on the legs.  It's preferred to notch the bench log so that rainwater doesn't accumulate in the saddles.







Minimum requirements:

  - Saddle notches to join the seat and base logs (saddles can be on the base logs or the seat log)
  - 7' minimum overall length for the bench
  - 16-18" height to the seat top
  - seat log needs to be at least 11" in diameter
  - hewn seat surface needs to be at least 6" wide
  - hewn top
  - peeled logs

To get certified for this BB, post three pics.  

  - Your three log chunks that you are starting with
  - your three log chunks shaped
  - final product showing length, height and seating surface width

Clarifications:
 - Chainsaws are allowed for this BB but the finished sitting surface must be smoothed/hewn with a hand tool
COMMENTS:
 
steward
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Could we, maybe, have a video on how to cut the sitting part of the bench so it's flat? I'm figuring I could chop the "legs" like I'm chopping fire wood to make them flat like that. But, I have no idea how to saw a huge chunk of wood like the sitting portion...
 
Nicole Alderman
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It'd be great to know what tools one needs to make a bench like this by hand, or even what the crucial roundwood woodworking tools are, because I sure don't know!

In search of tutorials on how to make a log bench with non-powered handtools, I found this video (I set it to start at the relevant portion). It looks like he actually saws through the whole log with a hand saw!



In another video, though, I saw him split a log in half length-wise by using the little splitting maul wedge-thingys (I don't know what those are called, either...)
 
author and steward
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Location: missoula, montana (zone 4)
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this BB does not require hand tools only - but you can if you want!
 
Nicole Alderman
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Good to know! Thank you! We've got some big 6-8 foot long hemlock logs behind our house (good 2+ feet thick) and I'm thinking they'll make an awesome bench!
 
paul wheaton
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With logs two feet thick, you gotta be careful that you don't make the bench too high!
 
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Mine at the firepit behind our guest cabin:




Woodstacks2.jpg
[Thumbnail for Woodstacks2.jpg]
 
Lon Anders
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Nicole here is a pretty straight forward video.

Find center, measure out off it on both sides, snap a chalk line and then start hacking.

Our forefathers done it this way for a long time.


 
Nicole Alderman
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Approved submission
A bench is made!

This totally took at least thee, if not four hours. And injured my husband's back moving the huge log. (Why must it be 7 feet long?) But, now we have a very nice, super long bench.

I hacked out the notches with both a hatchet and my fiskars ax. I actually found the fiskars easier to use, as I could use two hands and it didn't hurt my wrist like the hatchet. The fiskars ax is also a lot lighter than most other axes. I enjoyed the practice I got with both tools  when making this.
IMGP0064.JPG
Giant log, with my son pruning aaway salmonberries to get to the log
Giant log, with my son pruning aaway salmonberries to get to the log
IMGP0067.JPG
Since the electric chainsaw wasn't long enough, the log was just chainsawed a few inches deep all the way down
Since the electric chainsaw wasn't long enough, the log was just chainsawed a few inches deep all the way down
IMGP0071.JPG
Then, I put in ax heads to use as wedges and smacked them to split the log all the way through
Then, I put in ax heads to use as wedges and smacked them to split the log all the way through
IMGP0079.JPG
Got some cedar logs to use as the
Got some cedar logs to use as the
lunar.jpg
[Thumbnail for lunar.jpg]
And, then it was dark and too dark to work--but, hey, there was a lunar eclipse, which we got a blury picture of :D
IMGP0099.JPG
Brought log over to the pond (via a wheelbarrow and brute strength)
Brought log over to the pond (via a wheelbarrow and brute strength)
IMGP0104.JPG
Logs almost in place
Logs almost in place
IMGP0108.JPG
Chopping out the notches...and realizing the logs aren't lined up
Chopping out the notches...and realizing the logs aren't lined up
IMGP0110.JPG
It's a big bench! (And my husband is lying in bed, in pain, because that log is HEAVY)
It's a big bench! (And my husband is lying in bed, in pain, because that log is HEAVY)
IMGP0111.JPG
Finished bench
Finished bench
Staff note (paul wheaton) :

I certify that this BB is complete!

 
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Location: Ozarks zone 7 alluvial, clay/loam with few rocks 50" yearly rain
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Nicole, your bench is lovely....

I worry about this though

. And injured my husband's back moving the huge log.  



Maybe there could be a badge for how to move heavy things without injury, including logs and big rocks?

Using only brute strength isn't sustainable in the long run.
 
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