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Challenge06....a whole bunch of firsts

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Project by Ryan Shervill posted 08-30-2008 05:19 PM 3168 views 4 times favorited 25 comments Add to Favorites Watch
Challenge06....a whole bunch of firsts
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Here it is, what I believe to be the worlds first Folding AND rocking Adirondack chair, and the first one built of TREX composite.

Built as a project article for Canadian Home Workshop Magazine (Full story/plans will be published in summer 2009), this chair was an engineering nightmare, requiring close to 50 hours of modelling and necessitating the construction of no less than four prototypes to get the telemetry correct. It has 12 pivot points with blind pivots, and uses two 3/4” copper pipes and 5/16” threaded rod as a torsion bar set-up to make the chair ridgid and to serve as the locking bar The rear pipe is captured in the runner base, the front locks into cutouts in the front legs when the chair opens creating constant tension on the frame of the chair and making everything super-rigid when open. The more weight applied to the chair, the stronger it gets!

The chair is constructed of TREX, copper pipe, and yes, as per the rules,...even wood, all bonded with Gorilla Glue. The pivot hinges are all “roto-hinges” from Lee Valley Tools, and they are maple pivots on a metal stem. These roto hinges were the very reason I chose Gorilla Glue to assemble the chair…I couldn’t find any adhesives that would bond the wood with the composite, so I gave the GG a try and it seems to work and is holding up fine. Considering this chair weighs over 80 (yes eighty) lbs and has been shipped for photography from Penetanguishene to Toronto to Manatoulin Island to Toronto and then back to Penetanguishene and stayed in one piece, I’d say that is a testimonial to the glue’s bond.

Thanks for looking!

Ryan Shervill

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-- Want to see me completely transform a house? Look here: http://forum.canadianwoodworking.com/showthread.php?41055





25 comments so far

View Bigbuck's profile

Bigbuck

1347 posts in 2382 days


#1 posted 08-30-2008 06:16 PM

Wow, that is awsome. Althought at 80lbs I am not so sure it need to fold, cause I sure as heck wouldn’t be moving it around very often in fear I might actually get some exercise and loose my feminine figure :).
Very nice job.

-- Glenn, New Mexico

View Ryan Shervill's profile

Ryan Shervill

278 posts in 2531 days


#2 posted 08-30-2008 06:20 PM

LOL…I know…..think of it as folding “for storage”, and not “for transport” :D
The upside is that being as the TREX is all 1” X 5 1/2”, the chair could be built from 5/4 cedar deck boards as well….and weigh around 20 lbs :D

Thanks for the compliment!

Ryan

-- Want to see me completely transform a house? Look here: http://forum.canadianwoodworking.com/showthread.php?41055

View kolwdwrkr's profile

kolwdwrkr

2821 posts in 2309 days


#3 posted 08-30-2008 06:34 PM

This is a cool concept and a nice looking chair. Just tell your clients they need to do 6 months of extreme weight training before they purchase it so they can tote it around. LOL. Thanks for posting.

-- ~ Inspiring those who inspire me ~

View Callum Kendall's profile

Callum Kendall

1918 posts in 2422 days


#4 posted 08-30-2008 08:12 PM

Great job!

Thanks for the post

Callum

-- For wood working podcasts with a twist check out http://thetimberkid.com/

View MsDebbieP's profile

MsDebbieP

18615 posts in 2879 days


#5 posted 08-30-2008 08:28 PM

sweet!!
I like the transport results as well… (still in one piece)

Awesome

-- ~ Debbie, Canada (https://www.facebook.com/DebbiePribeleENJOConsultant)

View Karson's profile

Karson

34901 posts in 3119 days


#6 posted 08-31-2008 12:10 AM

Great Ryan. A nice job and congratulations on the upcoming article.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View Ryan Shervill's profile

Ryan Shervill

278 posts in 2531 days


#7 posted 08-31-2008 12:23 AM

Thanks everyone :)

Karson~ Thanks for the congrats, but they really arent neccessary….that’s what I do for a living :)

Ryan

-- Want to see me completely transform a house? Look here: http://forum.canadianwoodworking.com/showthread.php?41055

View Karson's profile

Karson

34901 posts in 3119 days


#8 posted 08-31-2008 12:24 AM

But no reason not be congratulated, on your profession.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View Ryan Shervill's profile

Ryan Shervill

278 posts in 2531 days


#9 posted 08-31-2008 12:30 AM

LOL…good point! It IS nice to hear.

Next time I go out of the house I’m gonna start with the mailman and work outwards from there, make a few peoples day :)

Thanks Karson.
Ryan

-- Want to see me completely transform a house? Look here: http://forum.canadianwoodworking.com/showthread.php?41055

View scottb's profile

scottb

3648 posts in 3046 days


#10 posted 08-31-2008 02:37 PM

ambitious chair… I suppose with the material used and its weight it is probably the only adirondack to suffer no ill if left in place year round.

keep pushing the envelope!

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

View Dusty56's profile

Dusty56

11678 posts in 2407 days


#11 posted 08-31-2008 06:14 PM

hahahaa…my very first thought after seeing it was made from TREX was …that thing’s gotta weigh a ton ! I have handled way to much TREX in my career and I have to wonder if after sitting in the sun all day , can you actually sit in the chair without toasting your backside and have they improved it enough to stay smooth to the touch , rather than abrasive after some ” seasoning ”. I was routing a profile on a section of TREX to be used as a handrail on a friends deck when all of a sudden sparks were flying from my router bit …there was a piece of metal buried in the product !!! So much for my bit : (

Nice job on the chair : )

-- I'm absolutely positive that I couldn't be more uncertain!

View Dadoo's profile

Dadoo

1771 posts in 2709 days


#12 posted 09-01-2008 01:50 PM

It’ll definitely outlive it’s hardware! Nice chair Ryan! Needs an end table to compliment it now!

-- Bob Vila would be so proud of you!

View Ryan Shervill's profile

Ryan Shervill

278 posts in 2531 days


#13 posted 09-01-2008 06:58 PM

A table? Oh geeze….another 50 lbs to lug around!

-- Want to see me completely transform a house? Look here: http://forum.canadianwoodworking.com/showthread.php?41055

View SteveKorz's profile

SteveKorz

2131 posts in 2433 days


#14 posted 09-02-2008 02:14 PM

Wow… just thinking about trying to figure out the pivot points of that chair makes my head hurt…

Great job though, it looks great!

-- As iron sharpens iron, so one man sharpens another. (Proverbs 27:17) †

View Mark Shymanski's profile

Mark Shymanski

5115 posts in 2431 days


#15 posted 09-02-2008 03:12 PM

“close to 50 hours of modelling and necessitating the construction of no less than four prototypes to get the telemetry correct.” Telemetry? Do you mean geometry?

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

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