[pianotech] Of Chisels

[Terry Farrell]

That is an interesting link. I wonder if the type of grinding wheel  
makes a difference - I should think it would.

Terry Farrell

On Oct 10, 2010, at 8:07 AM, <johnparham at piano88.com> wrote:

> That spark test is interesting... I'm going to go test my chisels now!
>
> -John Parham
> Hickory, NC
>
>> -------- Original Message --------
>> Subject: [pianotech] Of Chisels
>> From: Les Koltvedt <t4348lk at yahoo.com>
>> Date: Sun, October 10, 2010 7:51 am
>> To: pianotech at ptg.org
>>
>>
>> The kind of sparks given off when grinding will give you a hint at  
>> to what kind
>> of steel your dealing with. Here's one site I found describing the  
>> different
>> sparks.  http://www.capeforge.com/Spark%20testing.html
>>
>> I've always heard that a sharp tool is a safe tool.  There's no  
>> better feeling
>> then pushing a  chisel that you've sharpened through some wood and  
>> it slides
>> like butter.
>>
>> Les