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HOW TO BUILD & TURN DOUBLE LAYERED BOWL

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Blog entry by Sam Shakouri posted 08-03-2011 08:34 AM 2022 reads 9 times favorited 15 comments Add to Favorites Watch


Figure # 7 shows you the length of each segment of inner and outer layers

FIGURE #6 shows the width of each level or ring (toleration room has to be left)


Gage #4 to gage outside of the outer layer (or the bowl)


Gage #3 to gage inside of the inner layer (or the bowl)


Gage #2 to gage inside of the outer layer


Gage #1 to gage outside of the inner layer


The plan with gluing line has to be in life size

The simple idea to build a double layered bowl is turning two bowls for the purpouse of put them inside each other and turn them together as one bowl. If you were a segmented turner, you would know how to build segmented bowl. If not, use two different coloures solid blanks and save yourself from extra troubles as I did with the first one.
You have to have a cross cut life size plan. Draw a gluing line between the inside and outside surfaces.
Coppy your plan four times. Glue each coppy on thin plywood. Cut two gages for each layer, one to gage outside and one to gage inside of each layer, (4 gages). So, you will have 4 surfaces to turn. I started with outside of inner layer using gage #1, repeatedly until it sat on inner layer passing the centre point.
The second surface was inside of the outer layer using gage #2 and I did the same, repeatedly tested the gage until it sat presicely touching the inner surface of the outer layer.
NOW the two layers are ready to kiss:)) each other and become one blank.
While you turn the bowll, repeatedly use gages #3 and 4 to avoid crossing gluing line. REMEMBER: There is no room for any mistake.
HOWEVER, if you chose to add dots or plugs, you should add them before the final touches of turning, so they would take the same shape of the body they would be inserted in. (No need for sanding the first two srfaces)
AND, if you chose to go for segmented turning, you should study figures #6 & 7. (5×12 segment ring)
I wish everyone who would like to do it, a very good luck, and more importuntely, enjoyable time.
Sam

-- Sam Shakouri / CREATING WONDERS WITH WOOD.....Sydney,Australia....



15 comments so far

View degoose's profile

degoose

7013 posts in 2010 days


#1 posted 08-03-2011 08:40 AM

I think I will stick to the flat work… like the earth…

-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...

View Sam Shakouri's profile

Sam Shakouri

981 posts in 1743 days


#2 posted 08-03-2011 08:55 AM

Have you finished reading it?

-- Sam Shakouri / CREATING WONDERS WITH WOOD.....Sydney,Australia....

View Bob Collins's profile

Bob Collins

1540 posts in 2339 days


#3 posted 08-03-2011 08:59 AM

Sam, you are going to have that many of our L.J. buddies driven out of their minds trying to do this, Maybe one day but I have enough doing what I am doing now. Great project and thanks for sharing.

-- Bob C, Australia. I love sharing as long as it is not my tools

View whiskeyturner's profile

whiskeyturner

92 posts in 1776 days


#4 posted 08-03-2011 09:13 AM

Sam….. Your doing my bloody head in mate …... Just stop thinking for a while and let the rest of us catch up :-))

-- There is always an opportunity to learn. . . .Steve Mcgrady. . Sydney, Australia.

View rance's profile

rance

4132 posts in 1816 days


#5 posted 08-03-2011 09:29 AM

Very clever man you are Sam. Thank you for sharing your secrets.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View Dennisgrosen's profile

Dennisgrosen

10850 posts in 1770 days


#6 posted 08-03-2011 01:32 PM

clever :-) I´m not a turner not even have a lathe , but I can see what you mean not
that will use it … but who knows the future …
I have a sister and her doughter was in New-Zeeland a year as exchange student and the
father of the fammily there learned her to turn and I will show her this and your other work
at the moment she gets herself a lathe here in Denmark

thank´s for sharing

take care
Dennis

View BritBoxmaker's profile

BritBoxmaker

4370 posts in 1692 days


#7 posted 08-03-2011 02:15 PM

Like most clever things, properly explained, it seems simple. Thanks, Sam

-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging. http://www.theartofboxes.com

View Joe Lyddon's profile

Joe Lyddon

7721 posts in 2708 days


#8 posted 08-03-2011 06:24 PM

Sam,

Thank you very much for such a wonderful write-up!

Very clever and straight forward!

I think, for Gages 1 & 2, you could make #1… then use IT to make #2 switching the Outside areas as required. Then you would be assured BOTH identical… Maybe you did that & I missed it…

SUPER JOB!

Kinda makes me want to try it… BUT, I’d have to buy a lathe, tools, & sharpening systems, etc. and make room to put it! Maybe some day I can use someone elses lathe to try it… In the neighborhood… :) :)

Thanks again!

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

View SASmith               's profile

SASmith

1590 posts in 1642 days


#9 posted 08-03-2011 10:22 PM

Great blog. Thanks for sharing.

-- Scott Smith, Southern Illinois

View Sam Shakouri's profile

Sam Shakouri

981 posts in 1743 days


#10 posted 08-04-2011 11:15 PM

Thank you all for your comments and I hope that I explained how I did it good enough to answer all your questions.

-- Sam Shakouri / CREATING WONDERS WITH WOOD.....Sydney,Australia....

View Joe Lyddon's profile

Joe Lyddon

7721 posts in 2708 days


#11 posted 08-05-2011 09:13 PM

Sam,

Did you make Gage#1 from the paper pattern and THEN, make Gage#2 from Gage#1?
(To me, it would insure that the two Bowl sections would be the Same)

Just curious…

Really COOL and in-genius the way you did it…

Thanks again for taking the time to show us…

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

View Sam Shakouri's profile

Sam Shakouri

981 posts in 1743 days


#12 posted 08-06-2011 12:41 AM

No difference, Joe.

-- Sam Shakouri / CREATING WONDERS WITH WOOD.....Sydney,Australia....

View RichardH's profile

RichardH

295 posts in 1657 days


#13 posted 08-06-2011 03:59 PM

Sam, your work is very interesting. I’m curious if you use solid pieces vs. segmented approach if movement over time will unseat the inner and outer bowl? In any event, I like your creative use of gauges here.
Cheers,
Richard

-- "It's supposed to be hard. If it wasn't hard, everyone would do it...It's the hard that makes it great."

View Sam Shakouri's profile

Sam Shakouri

981 posts in 1743 days


#14 posted 08-06-2011 07:17 PM

Thanks, Richard, for you comment. So far, It is too short time to notice any movement. Please read my private message.

-- Sam Shakouri / CREATING WONDERS WITH WOOD.....Sydney,Australia....

View Grumpy's profile

Grumpy

19460 posts in 2506 days


#15 posted 08-07-2011 07:13 AM

Thanks Sam. Very clever stuff.

-- Grumpy - "Always look on the bright side of life"- Monty Python

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