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Can Jo Consortium

The simplest little resonator instrument of all. Please add links to plans, photos of your canjos and ideas you've found that make the most of this diminutive instrument. (The image is a temporary placeholder, I'll replace it any day now!)

Location: the vegetable aisle in a grocery store near you
Members: 241
Latest Activity: Jan 10

Discussion Forum

The Gas/Kerosene/Oil Can variety: a community image bank

Started by Diane in Chicago. Last reply by James Conder Nov 5, 2018. 7 Replies

If you've used an upright can on a chordophone, here's the place to show your work.I'm looking for an olive oil can right now, one of those really pretty ones from Eastern Europe.Continue

The Cookie Tin Variety: a community image bank

Started by Diane in Chicago. Last reply by Brown Water Jerry (Rice) Aug 17, 2018. 34 Replies

Post up photos of your tin-tars!  These are the ones that look mostly like this:Continue

How to adjust Intonation???

Started by JL. Last reply by Wichita Sam Mar 10, 2017. 9 Replies

How is intonation on a canjo adjusted?  On a CBG you string it up, tune it, check the 0 & 12 frets and adjust the saddle till intonation is correct.With a canjo where the string is anchored in…Continue

1st Electric Canjo Build

Started by Greg Thompson. Last reply by TN Twang Aug 20, 2016. 4 Replies

25" scale, Maple neck, yellow heart fret board and head details, birch head laminate. Gitty hard tail, tuners and humbucker. Volume knob is cork with bottle top. Botticelli Olive Oil can.A lot of fun…Continue

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Comment by TN Twang on November 26, 2014 at 10:46am

About the center of the can and the high action:

I'm using crooked sticks that are cut so the center of the can lines up about 1/4 " higher than the fret tops. Action is good and sound is good--finding or making proper crooked sticks is a pain in the backside. Each stick has to be custom cut for the particular can unless I can rig some sort of adjustable cradle to permit fine tuning the string action. Working on that as we speak...

About the neck through the can:

It seems that most of the sound comes off the side of the can instead of out the open end. (Handbells also work this way.) I'm thinking "outside the can" and maybe I should use a wide board like Wichita Sam shows below to keep my fat gut from damping the side of the can. (Of course, if I had a wide board, then the neck could go through the can. Hmmm!)

Comment by Wichita Sam on November 25, 2014 at 7:58pm

errr, "an unmuffled sound"... typo, sorry

Comment by Wichita Sam on November 25, 2014 at 7:55pm

TN,

I think the only thing you give up as you move away from the center of the can bottom is a little volume.  I'm using a .025 guage brass wound string and it seems to like G above middle C (same G as you'd get on the third string of a6 string guitar).... It can be tuned as high as the C above that....You can string it with thinner (wound or solid) for a higher open note but with 2 octaves on the fret board, why bother?

Bear, you an do it with the neck in or neck out, string in the center or toward the edge.... personal preference. My reasoning is the neck outside the can helps hold the can off my body for an muffled sound.  I can see how it would work the other way.

Comment by David Bowes on November 25, 2014 at 3:58pm

I might be missing the point, but if the hole is in the center then dose that not result in a high action.

David

Comment by TN Twang on November 25, 2014 at 8:44am

W Sam,

Beautiful work. I envy whoever is getting the gift.

2 questions:

Do you get a better (or worse) sound by attaching the string near the rim of the can? (I've been going to some trouble to attach in the center.)

What kind of string are you using on a short 14" scale and what pitch are you tuning to?

Thanks,

TN

Comment by Pete Turner on November 25, 2014 at 7:41am

Very cool!

Comment by Wichita Sam on November 24, 2014 at 7:48pm

So, the "recent" conversation about reversing the can's orientation to get the player an extended available scale made such goo sense, that I have to try my hand.

A couple hours later (minus drying time).... photo bluecanjo1_zps91571268.jpg

Can's bottom is forward allowing a 14" (mandolin-like) scale length and two playable octaves.  The maple neck becomes a backbone for a pine mini-body.bluecanjo.2 photo bluescanjo2_zps9b86d0c7.jpg

The neck is finished in spray poly and the body in a translucent blue metal flake. photo 9d435181-8234-4b14-ab0d-56fad6d6702d_zps13982cff.jpg

The neck is pretty standard 1x1 maple, economy tuner, banjo wire for frets, bass fret for nut.  1/4 dots cut from a blue guitar pick.bluecanjo.4 photo bluecanjo5_zps79751e97.jpg

The business end shot reveals what few "secrets" this kind of build has.  Two screws (front and back) goes through can, neck and body to hold everything together.  Neck sets down in body in groove made by multiple passes through table saw.  And the neck is thinned under the can.  This allows the neck to be partially recess in grove and the string to be moved up away from the can edge.    If I were doing this build again I would increase this thinning to about half the thickness of the neck instead of just 3/16s of an inch.

This was a fun little project.  The intonation is good, ample volume and the body keeps the can from getting "muffled" against the player.  I guess I could even add a little string and sling it mandolin style while playing.  It is destined to be a stocking stuffer for someone in the family.  Hope you enjoyed.

Comment by Brown Water Jerry (Rice) on November 22, 2014 at 11:10am

Thanks TN.

Comment by TN Twang on November 22, 2014 at 10:29am

David Bowes & Brown Water Jerry,

I attach with a carriage bolt with its head underneath the stick and a wing nut inside the can. I punch a hole in the side of the can that is really a slot so I can loosen the wing nut and make slight adjustments in the position of the can to improve setup.

The problem I'm wrestling with now is how to make the distance between can and stick adjustable so I can adjust the string height above the frets. Right now I'm using a paper wedge torn from an LL Bean catalog, but that's not very impressive craft-wise.

Comment by Pete Turner on November 21, 2014 at 6:09pm

I will practicing the Xmas songs now.

 

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Discussion Forum

The Gas/Kerosene/Oil Can variety: a community image bank

Started by Diane in Chicago. Last reply by James Conder Nov 5, 2018. 7 Replies

The Cookie Tin Variety: a community image bank

Started by Diane in Chicago. Last reply by Brown Water Jerry (Rice) Aug 17, 2018. 34 Replies

How to adjust Intonation???

Started by JL. Last reply by Wichita Sam Mar 10, 2017. 9 Replies

1st Electric Canjo Build

Started by Greg Thompson. Last reply by TN Twang Aug 20, 2016. 4 Replies

Reds Wicked Apple canjo

Started by Greg Thompson. Last reply by TN Twang Aug 14, 2016. 8 Replies

Chromatic fretting.

Started by Graham Alibone. Last reply by Graham Alibone Sep 15, 2015. 6 Replies

Can Cutting

Started by Mike Whisenhunt. Last reply by Greg Thompson Nov 29, 2014. 7 Replies

Gunpowder Jug Resonator

Started by David Harris. Last reply by Greg Thompson Nov 27, 2014. 1 Reply

Can Jo for Children

Started by David Bowes. Last reply by David Bowes Sep 29, 2014. 11 Replies

Strings: Materials, Techniques, Sound, Etc.

Started by Dustan Eichler. Last reply by TN Twang Jun 13, 2014. 23 Replies

Circular hole tuner design

Started by Philip Daniel. Last reply by Rand Moore Apr 4, 2014. 10 Replies

cookie tin banjo (tinjo)

Started by Hillbilly Hobo. Last reply by Rand Moore Apr 4, 2014. 1 Reply

mag pup

Started by jabes. Last reply by jabes Mar 25, 2014. 2 Replies

Overthinking a simple cookie tin ?

Started by Piht Bull (Delta Dawg Guitars). Last reply by PKB Jan 31, 2014. 7 Replies

brass canjo/cbg

Started by Mario Poggio. Last reply by Mario Poggio Nov 28, 2013. 7 Replies

Can Orientation

Started by Alan "Poor Boy" Ackerson. Last reply by Alan "Poor Boy" Ackerson Oct 20, 2013. 6 Replies

Scale length and bridge

Started by Battmann. Last reply by Thomas "Duck" Petry Jul 23, 2013. 5 Replies

Attaching the Can

Started by Jim burt. Last reply by Russ Dugger Dec 13, 2012. 9 Replies

Loudness Versus Scale Length

Started by Randal. Last reply by Randal Oct 27, 2012. 9 Replies

resso cone

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