LumberJocks

"Spinal," Conoid Rocking Chair

  • Advertise with us
Project by Simeond posted 09-09-2012 01:50 AM 2202 views 16 times favorited 14 comments Add to Favorites Watch

Two-legged rocking chair with a “spine” back. I made this for a customer. It was also in a furniture show last night and had about 200 people sit in it. This one was a challenge. There is a discussion of the design stage here:

http://lumberjocks.com/topics/40596

Comments, criticism definately welcome!

-- "...a band of small discoveries, strung like pearls on a thread of curiosity, lending richness to our work...." - James Krenov....... soulcraftwoodshop.com





14 comments so far

View D_Allen's profile

D_Allen

495 posts in 1436 days


#1 posted 09-09-2012 02:32 AM

Count me out…my recliner does just fine.
Real nice workmanship though.

-- Website is finally up and running....www.woodandwrite.com

View DaddyT's profile

DaddyT

267 posts in 2162 days


#2 posted 09-09-2012 03:05 AM

Thats one of the coolest chairs Ive ever seen!!

-- Jimi _ Measure twice, cut once.......@#%#$@!!!......measure twice, cut....

View redryder's profile

redryder

2155 posts in 1753 days


#3 posted 09-09-2012 07:13 AM

I’m always a fan of different. You’ve met that goal. I like the contrasting wood colors and the “legs”.

Comfort?? I’ll have to take your word for it….....................

-- mike...............

View Jamie Speirs's profile

Jamie Speirs

4134 posts in 1508 days


#4 posted 09-09-2012 09:12 AM

I love it

It is a tough challenge though

well worth the effort.

Jamie

-- Who is the happiest of men? He who values the merits of others, and in their pleasure takes joy, even as though 'twere his own. --Johann Wolfgang von Goethe

View Kookaburra's profile

Kookaburra

748 posts in 876 days


#5 posted 09-09-2012 12:30 PM

What a conversation piece! I would have been one of those 200 – I would no be able to resist sitting in it just to see if it really were comfortable.

The side view is especially spine-y. I am going off now to read through your blog to see how you ensured adequate strength in that backbone.

A work of art!

-- Kay - Just a girl who loves wood.

View Clint Searl's profile

Clint Searl

1449 posts in 1013 days


#6 posted 09-09-2012 12:34 PM

Most imaginative.

-- Clint Searl....Ya can no more do what ya don't know how than ya can git back from where ya ain't been

View Monte Pittman's profile

Monte Pittman

14122 posts in 990 days


#7 posted 09-09-2012 01:43 PM

Love how unique it is. Beautiful work.

-- Mother Nature created it, I just assemble it.

View HalDougherty's profile

HalDougherty

1820 posts in 1889 days


#8 posted 09-09-2012 02:59 PM

Beautiful chair! Very unique design. I’m impressed.

-- Hal, Tennessee http://www.first285.com

View Bluepine38's profile

Bluepine38

2876 posts in 1737 days


#9 posted 09-09-2012 03:37 PM

Not quite my cup of tea, but it does look beautiful. You took the customer’s request and built her a chair that
was requested and made it look good as well as functioning as it was supposed to. You had fun and made
money, you can not beat that. Thank you for sharing with us.

-- As ever, Gus-the 75 yr young apprentice carpenter

View Simeond's profile

Simeond

68 posts in 1056 days


#10 posted 09-09-2012 09:41 PM

Thanks all for your kind comments.

The spine back is attached to the seat by a 3/4” x 2” x 2” bridle joint, and then it continues underneath the chair to attach to the stretcher in a mortise/tenon joint. It is very sturdy in the front/back direction (which is the primary direction of pressure), but not at sturdy in the side/side direction. It don’t think it would break, but more stability might be good.

-- "...a band of small discoveries, strung like pearls on a thread of curiosity, lending richness to our work...." - James Krenov....... soulcraftwoodshop.com

View gfadvm's profile

gfadvm

10854 posts in 1342 days


#11 posted 09-10-2012 12:49 AM

That is soooo cool! Arms attached to the legs and back would probably stouten the lateral stability. Great job on the design and build.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View SPHinTampa's profile

SPHinTampa

548 posts in 2337 days


#12 posted 09-10-2012 12:21 PM

Cool rocker … I am curious as to the science behind the design … did you pick the curve in the back support based on fitting to a person or a set of measurements? Did you pick the graduation in the width of the back supports based on appearance or function?

-- Shawn, I ask in order to learn

View Fishinbo's profile

Fishinbo

11236 posts in 827 days


#13 posted 09-10-2012 08:42 PM

I like the design.
Something rare and exceptional.
Keep making innovative designs.

View Simeond's profile

Simeond

68 posts in 1056 days


#14 posted 09-11-2012 03:00 AM

@SPHinTampa:

I would call it pseudo-science. I made a full-scale MDF mock-up and tweaked the curve and angles of the back supports to my own back. On thing I will likely do with this mock-up is to make it adjustable, so that it can change from customer to customer.

Truly, the bigger engineering issue is the angle of the leg to the seat and the leg to the rocker – and then where along the rocker’s length to attach the leg. The combination of these three are what determine whether the rocker “takes you into the rocking motion” in a natural flow or whether you have to “work at” rocking the chair.

The graduation in width of the back supports are aesthetic. The graduation in height, however, was done to ensure solid support at lower and upper back (for me, at least – who’s 6’1”).

-- "...a band of small discoveries, strung like pearls on a thread of curiosity, lending richness to our work...." - James Krenov....... soulcraftwoodshop.com

Have your say...

You must be signed in to post the comments.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics

HomeRefurbers.com

Latest Projects | Latest Blog Entries | Latest Forum Topics

GardenTenders.com :: gardening showcase