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Corrected at Last

Project by Don posted 241 days ago 392 views 0 times favorited 25 comments Add to Favorites
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Don

2586 posts in 663 days


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rocking_chair

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Corrected at Last Corrected at Last Corrected at Last Click the pictures to enlarge them

I have previously told the story of my first rocking chair. As pleased as I was with the appearance of the chair, I was equally disappointed with its function – simply put, it didn’t rock properly. I wrote of the proposed solution here.

I soon learned that the center of gravity was too far forward on the rockers as this previously posted picture shows. You will note how upright the rocking chair sits – it should be leaning back somewhat with the contact points on the runners just ever so slightly forward of the rear rockers.

Rocking Chair - before fix

I consulted with many woodworkers for a solution but it wasn’t until William Kappel gave me some expert help that I even dared to tackle the fix.

You see, it involved cutting off the rockers, adjusting the leg length to establish the proper center of gravity and re-attaching the rockers.

I had to shorten the rear legs by 4 inches and lengthen the front by 2.75. This, of course changes the intersecting angles where the legs meet the rockers, so I was a little daunted by the process.

Bill advised me to make a feature of the re-worked intersections, because they would always show up. I chose a light Beech and an piece of Ebony to make the re-designed intersection look as though this was always my intention.

To cut to the chase, the rocker rocks beautifully, and I think looks fairly nice.

-- CanuckDon "I just love small wooden boxes!" http://www.canterburybaptist.org/


25 comments so far

View DAN's profile

DAN

3218 posts in 469 days


posted 241 days ago

Don
fantastic posting. your repair looks beautiful
regards
DAN

-- ..... art for lifes sake ... danwalters@lumberjocks.com

View Karson's profile

Karson

12910 posts in 886 days


posted 241 days ago

Great Don. I remember you posts and the suggestions that were made. I’m glad they all worked out.

-- Karson Southern Delaware karson_morrison@bigfoot.com

View GaryK's profile

GaryK

8486 posts in 474 days


posted 241 days ago

Don, that’s a great job on the chair in the first place, and a great fix in the second place.

I am a big advocate of incorporating fixes for mistakes into the design and you did a wonderful job!

-- Gary, East TX -- The longest journey begins with a single step.

View ErsatzTom's profile

ErsatzTom

103 posts in 292 days


posted 241 days ago

Well, I missed the earlier discussion so when I first looked at the pictures of the chair I had no idea that the contrasting woods at the intersection weren’t part of the original design. Frankly, as much as I like the whole chair, your repair was my favorite part. I’d say it looks better than “fairly nice.”

-- Tom, Southwest Florida

View Lee A. Jesberger's profile

Lee A. Jesberger

2758 posts in 465 days


posted 241 days ago

Great Save Don;

Lee

-- by Lee A. Jesberger http://www.prowoodworkingtips.com http://www.ezee-feed.com

View CharlieM1958's profile

CharlieM1958

4196 posts in 704 days


posted 241 days ago

It’s a beatiful fix for a beautiful chair, Don!

-- Charlie M. "Woodworking - patience = firewood"

View cajunpen's profile

cajunpen

5348 posts in 552 days


posted 241 days ago

“It looks fairly nice” is quite an understatement – It look great. Beautiful chair Don, really happy that you finally got content with your beautiful rocking chair.

-- Bill - "Suit yourself and let the rest be pleased." http://www.cajunpen.com/

View TomK 's profile

TomK

380 posts in 360 days


posted 241 days ago

That’s a very elegant fix for a problem. Someday, I will attempt a rocking chair.

-- North Texas

View Grumpy's profile

Grumpy

5675 posts in 337 days


posted 241 days ago

You are right mate. It looks great to me.

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

View Obi's profile

Obi

2152 posts in 723 days


posted 241 days ago

GREAT JOB !!! And about time. Now I have an idea on how I can fix my first kitchen chair… the front legs are about 3/4” too short… but maybe I’ll make a rocker out of it.

I knew you’d eventually git ‘er fixed.

-- http://ye-olde-cabinet-shoppe.com/

View roman's profile

roman

439 posts in 379 days


posted 241 days ago

some say that its not how fast you can make it that counts, its how fast you can fix what you made that counts.

It looks “Maloof”.............ish

-- http://www.furnituremann.ca/

View rikkor's profile

rikkor

7687 posts in 360 days


posted 240 days ago

Great “save”.

-- Maplewood, MN

View Tim Pursell's profile

Tim Pursell

192 posts in 268 days


posted 240 days ago

I know how you feel when a design you’ve worked so hard on just does not work. It’s a sick feeling & you deserve a lot of praise for working out the problem & making a wonderful looking (and working) correction. Too often I have had to totaly redo a piece that was flawed. Kudos to you for the “repair” that no one but you (and those of us you tell) will ever see. You give me hope!

-- http://www.grandprairiewoodworks.com

View Robb's profile

Robb

324 posts in 420 days


posted 240 days ago

That’s a beautiful chair, Don. I’m glad that you persevered and made the fix. Is the piece you inserted joined with tenons? Forgive my naivete if it’s obvious to the learned :).

-- Robb

View MsDebbieP's profile

MsDebbieP

11928 posts in 646 days


posted 240 days ago

well done!
I like the tip of making a feature of the re-worked section

-- "Functional WoodArt" by Debbie, Canada (http://www.execulink.com/~yohan)

View Thos. Angle's profile

Thos. Angle

3236 posts in 448 days


posted 240 days ago

Great fix. That’s what sets real artists in wood apart; the ability to find a fix for a problem to the point it looks like there was no problem in the first place. No one will ever know that you didn’t intend it to be just like that.

-- Thos. Angle, Owyhee Design, Oregon

View SPalm's profile

SPalm

728 posts in 368 days


posted 240 days ago

Beautiful char. I bet cutting it up was scarry. I can only imagine making that first cut.
Good job, and kudos for redoing it.

-- Stevethepeeve -- I'm no rocket surgeon

View Lee A. Jesberger's profile

Lee A. Jesberger

2758 posts in 465 days


posted 240 days ago

Woodworking: the fine art of fixing Boo Boo’s

Lee

-- by Lee A. Jesberger http://www.prowoodworkingtips.com http://www.ezee-feed.com

View jockmike2's profile

jockmike2

4142 posts in 732 days


posted 240 days ago

Don thats a beautiful rocker, almost a Maloof special. With your touch. Great job. mike

-- Mike. Profisher50@yahoo.com

View Blake's profile

Blake

2016 posts in 360 days


posted 240 days ago

Way to go, Don. Great fix. It’s neat to see that you worked the problem out.

-- Check out my new website! http://www.theeasellife.com

View Critterman's profile

Critterman

481 posts in 296 days


posted 240 days ago

Don, it is beautiful and I really appreciate you sharing, great lesson for all of us. I saw the first post and love this rocker. Way to go!

-- Jim Hallada, Chesterfield, VA

View scottb's profile

scottb

2944 posts in 813 days


posted 240 days ago

I bet your glad you worked up the nerve to finally tackle that – would have been to easy to just lose the runners altogether. Now It’s an overall great rocking chair, rather than just a great looking one.

-- I am always doing what I cannot do yet, in order to learn how to do it. - Vincent Van Gogh -- http://snbcreative.wordpress.com/

View Don's profile

Don

2586 posts in 663 days


posted 240 days ago

Quote Rob: Is the piece you inserted joined with tenons?

Good question, Rob. I should have elaborated more on the actual technique involved.

One of the realities I was dealing with is that if I attempted to glue an extension of the leg (to make the front leg longer) end-grain to end-grain just doesn’t work. So I made up a ‘sandwich’ of the Beech and Ebony. Each piece was 5mm thick, the grain was reversed, and surface glued (long-grain to long-grain).

This essentially gave me four blocks of sandwiched layers with the Ebony on top. I then carefully worked out the thickness of these blocks based on sitting them on the runners, and the chair on top of these. That was actually the tricky part as the whole assembly was quite unstable. I used some light clamps to hold everything in place, and because I was using a clamp at the bottom of each leg, this didn’t alter the center of gravity.

Once I had the thickness determined, I had to carefully hand contour the bottom surface of the blocks to fit the gentle curve of the runners, and cut the bottom angle of the legs to match the top surface of the Ebony on the blocks. To do the latter, and this took some time, I cut an 80 grit sanding belt into strips and then pulled the strips through the contact points between the legs and blocks with the grit up. With a lot of patience and time, this eventuated in the angle of the bottom of the legs matching that of the top of the blocks.

I then epoxy glued the blocks to the runners and bottom of the legs. The bottom of the legs to the blocks was an end grain-joint to a long-grain joint, not ideal but better that the alternative end-grain to end-grain.

The last step in assuring a secure joint was to drill a 10mm hole up through the bottom of the runners through the blocks and into the legs. In the case of the front legs, this was a 10” deep hole. I then inserted 10mm hardwood dowels coated in epoxy, into the four holes and cut and sanded them flush with the bottom of the runners. This gave me the long-grain to long-grain gluing surface I wanted.

The blocks were then shaped using an Arbotech rotary cutting tool and finished by hand sanding.

-- CanuckDon "I just love small wooden boxes!" http://www.canterburybaptist.org/

View Zuki's profile

Zuki

855 posts in 563 days


posted 240 days ago

Boy Don you certainily put a lot of work into fixing the chair.

-- The significant problems we face cannot be solved by the same level of thinking that created them

View TomC's profile

TomC

3 posts in 241 days


posted 239 days ago

Great job on that rocking chair! Those things are tough. I started one but it got to be a bit overwhelming. William Kappel is a really nice guy. I contacted him for his instructions and they helped me to understand the overall concept. Maybe one day I’ll put in the effort to finish it.

I think your “save” looks wonderful. Gives it a uniquness that is not seen in other chairs.

-- Tom, Farmington Hills MI

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