[Woodworkers] Need Sturdy Picnic Table Plans

[Harvey Freeman via Woodworkers]

Hello Don;
The list of materials has only eight carriage bolts.  That allows only one per intersection at the four connection points on an end frame.  The frame is going to rack and the table collapse sideways in short order.
Harvey
From: Don Myers 
Sent: Sunday, August 30, 2015 4:11 PM
To: woodworkers at sawdusters.org ; Harvey Freeman 
Subject: Re: [Woodworkers] Need Sturdy Picnic Table Plans

Maybe this one will help

On Wed, Aug 26, 2015 at 12:29 AM, Harvey Freeman via Woodworkers <woodworkers at lists.sawdusters.org> wrote:

  Hello Brandon;

  You are correct that hot dipped and stainless steel fasteners are recommended for treated wood.  An economical picnic table would not likely be done with stainless steel fasteners. Never heard of copper coated fasteners reference in the very good articles on the subject of fastener corrosion on the Simpson Strong Tie site and I have no idea where to go looking for such a fastener.

  Make sure the hot dipped fastener really is hot dipped and not electro galvanized.

  Harvey Freeman
  Halifax, Canada

  From: Brandon Jackson via Woodworkers 
  Sent: Tuesday, August 25, 2015 10:57 AM
  To: woodworkers at sawdusters.org 
  Subject: Re: [Woodworkers] Need Sturdy Picnic Table Plans

  You can use metal fasteners with treated lumber just fine. Hot Dipped Galvanized, Stainless Steel or Copper Coated. The new copper based treatments are safer than the old CCA, but I'd still not use it for the top/seat, maybe the ground contact parts of the legs though.


  On Tue, Aug 25, 2015 at 9:18 AM, Graham McCulloch via Woodworkers <woodworkers at lists.sawdusters.org> wrote:

    I will Reiterate Harvey's warning, DO NOT use pressure treated wood for building a picnic table! Pressure treated wood contains Copper Azoid a poisonous chemical. It will also react with metal components and cause them to fail rather quickly. 
    Graham 



    On 25/08/2015 10:05 AM, Joe Johns via Woodworkers wrote:

      On Mon, Aug 24, 2015 at 3:39 PM, Royce wrote:


        I believe that Joseph has some picnic table generating software available on his site...

      ​Royce is correct.

        http://www.twistedknotwoodshop.com/

        look under the plans button...there might be a couple of different types available.

      ​http://www.twistedknotwoodshop.com/Zip%20Files/PicnicTables.zip​ 

      ​Those plans will generate every piece of a picnic table, including the angle cuts AND the bolt locations.  You input the length and width of your table, hit the generate button and POOF, there it is.
      I know it works on Win 7 and all the older OSs - not sure 'bout Win 8 but don't know why it wouldn't. ​ 

      -- 

      Joe,

      The Twisted Knot Woodshop, "There's never been a classier joint"
      Visit the Twisted Knot Woodshop - http://www.twistedknotwoodshop.com

       

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-- 
The very best is the least that I can do
Graham McCulloch
http://www.shortcuts.ns.ca

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