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Posted to rec.knives,rec.crafts.metalworking
Del Cecchi
 
Posts: n/a
Default fillet knife blade's geometry?


wrote in message ...
missed this somehow

So I'm praying for calmer waters
Bear


"pray in one hand and **** in the other and see which one fills up
first " -alvin

So how did it go with your fishing trip?
Get to fillet a bunch of fish?


I'll let you know about my fishing trip after memorial day. The ice is
off the lakes and we are going canoeing.



PS the factory blades that I checked on the Wilson back when I was
working for the tool company all tested pretty soft too. only
exception was a broken Shrade "Bear Paw" lock back that tested out
at 63, I dropped the dern thing and it snapped right where the
grind starts,( I think it missed the temper cycle in the heat
treat some how)


Sounds like it.
It sure as heck didn't miss the cold treatment tho.

Way back in the early 80's (before I started studying metallurgy)
a friend had a Case Trapper where the spey blade somehow missed
getting tempering or something. It took and held an edge like crazy
right up until he was wittling down a new shovel handle and broke
the sucker.

Famous last words for that blade...
"i knew better than to use this blade for that, but used it anyway"

We'd talk about it, how he needed to save that blade for only
working cattle, but he just couldn't help himself, he -had- to
find out what it was capable of.


I haven't quite figured out what "working cattle" is, unless it is making
steers out of them. Only thing involving cattle that a little sharp
knife would be good for that I could think of.

BTDT too :/

Alvin in AZ
ps- David MacDonald (CitCo brand) tested
65.5hrc under the de-carbed surface, that's one of the first
tests (out side of the factory) made on that new Wilson
pps- Nicholson said theirs were "64 to 65hrc" but I've never tested
anybodies all-hard power hacksaw blades that tested less than
64.5hrc
ppps- knives made from that stuff (M2) will friggin "hold an edge"
...believe it?