[Stoves] Fire Stump: center hole making

[Kevin]

Dear Richard
  ----- Original Message ----- 
  From: Richard Stanley 
  To: Discussion of biomass cooking stoves 
  Sent: Wednesday, July 20, 2011 8:46 PM
  Subject: Re: [Stoves] Fire Stump: center hole making


  Steve . 
  Thanks but how to figure o a way to replicate Forsner bits in the third world where we do most of our work eh ?

  * These bits would also work well, http://dimar-canada.com/pdf/AugerBits2.pdf 
  but you would have to "bite teh bullet" and import them.

  * Their standard "off-the-shelf" bits are 26" long and go up to 1.5" hole diameter. They may be able to make larger bits on special order.

  Best wishes,

  Kevin

  Richard




  On Jul 19, 2011, at 11:53 PM, Steve Taylor wrote:





    On 20 July 2011 01:41, Richard Stanley <rstanley at legacyfound.org> wrote:

       Here in Little 'ole Ashland Oregon and I suspect all over the land, ordinary softwood  logs were used for water pipes. They bored 2 to 4" dia holes right thru the center of 8 to 10 ft lengths and somehow maintained  center...Have no idea how they managed that but it wold certainly give us a clue as to how to bore a simple 18 inches depth or so.... My trusty 18 volt dewalt with a spade bit dies after about 6" yet they managed 10 ft probably by hand auguring..Perhaps any of us in the over 80's club can recall.. 



    Richard, 
    You'd find a FORSTNER bit requires a lot less torque than a spade bit - my set will cut to  3". I'll do  a test on a log with my DeWalt too. 

    Steve 

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