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Raymond Richard
11-17-2009, 05:28 PM
After taking the pictures of the sparks from the old square rebar yesterday and noticing so much difference between the soft and hard state I wanted to take a few more photo's. To my surprise the pictures I took today didn't follow suit with what I was seeing yesterday. The first two pictures are the two from yesterday. Soft first and then hard. Huge change with the square rebar but the other four pictures look pretty much the same to me even though one was soft and the other hard. Not sure what it means but what the heck. Its almost Christmas!

square rebar, soft
http://www.hawknknives.com/forums/IMG_1763.JPG

square rebar, hard
http://www.hawknknives.com/forums/IMG_1766.JPG

1959 Nash/Metro leaf spring, soft .4 carbon, 2% silica
http://www.hawknknives.com/forums/IMG_1769.JPG

1959 N/M leaf spring, hard
http://www.hawknknives.com/forums/IMG_1770.JPG

Aldo Bruno 1095, soft
http://www.hawknknives.com/forums/IMG_1771.JPG

Bruno 1095, hard
http://www.hawknknives.com/forums/IMG_1772.JPG

One
11-18-2009, 08:06 AM
I think chromium content also effects it. I've heard some stainless steels spark different hard and soft.

Phil Dwyer
11-18-2009, 10:35 AM
Did you try your rebar again (just for grins)? Cool photos anyway, especially the first two!

Denny Eller
11-18-2009, 10:54 AM
Mr. Richard, from reading your posts and enjoying your photos I feel like I know you. So now I can tell all my friends I know the only guy on earth to have a leaf spring from a 1959 Nash Metro. Somehow it makes me feel kinda special.

Raymond Richard
11-18-2009, 11:05 AM
Mr. Richard, from reading your posts and enjoying your photos I feel like I know you. So now I can tell all my friends I know the only guy on earth to have a leaf spring from a 1959 Nash Metro. Somehow it makes me feel kinda special.

The fellow that I bought my first cow's from was rebuilding a Nash/Metro and had 4 complete racks of springs left over. I bought them all for 20 bucks. I still have one complete rack left. At least I think I do. I'm also got some leaf springs from a 1964 Mercury Comet. Now those are worth some big bucks. :D