[Woodcarver] Shaped edge CHAT

[Watson Family]

You are correct but this treatment is not neessary for a scratch stock 
blade. Use the steel as is after all it will cut wood or it would be no 
good as a saw.
Your treatment would make a good knife blade.

Peter



At 08:58 PM 20/01/04, you wrote:
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>Hi All
>   I have found that the metal of an ordinary carpenter's handsaw is very 
> high grade steel.  I have found that
>the best way to cut is (wearing safety glasses) cut the metal with a cold 
>chisel and a hammer.  Heat the chip
>of metal to red hot with a propane torch.  Plunge the hot metal into a 
>bucket of wood ashes to cool -- takes
>several hours.  Shape to the form that you want.  Reheat the metal to red 
>hot and plunge into a bucket of
>motor oil (best done outside). At this point the metal is glass hard and 
>will shatter it not treated gently.
>Wash the metal thoroughly and getting permission from the wife, preheat 
>her oven to 450 degrees F, stick the
>metal into it and bake for 30 minutes to temper to get something which is 
>still hard but is resilient.
>
>>John G
>>The tool that has been sugested is called a scratch stock and I use it 
>>all the time .
>>It can do things a router can't. The only trouble is it is harder work.
>>I would sugest you carve as much as possible and use the scatch stock to 
>>finish.
>>For blades I prefer an old hand saw. You can cut the size with a pair of 
>>tinsnips and file to shape.
>>As Joe says it is best to get a good edge. If you file to shape and then 
>>rub it up with a slip.Then lay it flat and rub up both sides on your stone.
>>
>>Peter
>>Woodcarvings and Wildlife Sculptures
>
>
>Happiness is a tall boat and breeze to fill her sails
>Have a good day
>George Farrell
>
>
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