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Building something like a bass viol #5: Peg Prototype

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Blog entry by Dave Rutan posted 08-27-2020 09:08 PM 466 reads 0 times favorited 5 comments Add to Favorites Watch
« Part 4: The Ribs Part 5 of Building something like a bass viol series Part 6: Linings »

Mainly because of the width of the pegbox, I need to manufacture the pegs myself. I’m using mahogany which will contrast well with the oak neck and tie in with the ribs, fingerboard and tailpiece.

Cutting scraps to size. I only need 7 pegs, but I’m making about a dozen to have spares on hand. It’s a custom made peg after all.

After turning the first one, I’m keepting it as it was turned to compare with the one I’m currently working on. I think thewre is a better chance of keeping them each very much the same this way.

Three down, a bunch to go. At this point I’m stopping until I can take one to work and make sure I’m doing this right, IE shaft length and diameter, etc.

Cutting off the unneeded bits.

I thinned down the knob, keeping the wood grain in mind. Then I used my disk sander to create a contour to make it look classy. Then I gave the knob end a light sanding to remove the rugh edges. and dunked in bloiled linseed oil for bit.

-- Ni faru ion el ligno!



5 comments so far

View Dave Polaschek's profile

Dave Polaschek

5980 posts in 1460 days


#1 posted 08-27-2020 09:24 PM

Yep, that looks like a peg. Hope it fits!

-- Dave - Santa Fe

View Dave Rutan's profile

Dave Rutan

1982 posts in 3066 days


#2 posted 08-27-2020 09:41 PM



Yep, that looks like a peg. Hope it fits!

- Dave Polaschek

I’ll have to taper ot at work. Basically it needs to not be too thick to fit in my taperer and it needs to be long enough. Fingers crossed.

-- Ni faru ion el ligno!

View Oldtool's profile

Oldtool

3051 posts in 3068 days


#3 posted 08-28-2020 10:47 AM

I was wondering about the taper while reading through the blog. The peg needs to match the tapering tool’s dimensions, did you have this with you when turning the pegs?
Question: turning the pegs with the head included creates a lot of waste, can’t the pegs be created, maybe from dowels, then have a head glued on?
My thinking is that a dowel, with a diameter the same as the wide end of the tapering tool, could be tapered on the lathe with – sandpaper, files, rasps, etc., then have a head glued on.
If you want to get creative, the heads could be different wood, or even other than wood, say brass fittings – nuts – etc.
Just thinking & wondering…......

-- "I am a firm believer in the people. If given the truth, they can be depended upon to meet any national crisis. The point is to bring them the real facts." - Abraham Lincoln

View Dave Rutan's profile

Dave Rutan

1982 posts in 3066 days


#4 posted 08-28-2020 11:56 AM



I was wondering about the taper while reading through the blog. The peg needs to match the tapering tool s dimensions, did you have this with you when turning the pegs?
Question: turning the pegs with the head included creates a lot of waste, can t the pegs be created, maybe from dowels, then have a head glued on?
My thinking is that a dowel, with a diameter the same as the wide end of the tapering tool, could be tapered on the lathe with – sandpaper, files, rasps, etc., then have a head glued on.
If you want to get creative, the heads could be different wood, or even other than wood, say brass fittings – nuts – etc.
Just thinking & wondering…......

- Oldtool

I turned the shaft of the peg straight so that it will definitely fit in my peg shaper. The diamewter is 5/16 inch.

As far as making it in two pieces, I guess it could be done, but then there is the concern of the peg head coming loose from the shaft. You and I know that today’s wood glues are stronger than the wood they hold together, but you’d still need to drill a perfect hole for the shaft to fit into. Turning the whole peg at once seemed pretty easy to me.

I know of at least one guy who tapers commercially made violin pegs freehand on the lathe. I admire his ability.

-- Ni faru ion el ligno!

View Dave Rutan's profile

Dave Rutan

1982 posts in 3066 days


#5 posted 08-31-2020 11:48 PM

Don’t worry. I’m still working on it, but haven’t reached a step worth reporting yet.

-- Ni faru ion el ligno!

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