[TheForge] Lawn Mower Blade

[wmullett at bright.net]

I'm probably a little rough on my brush hog.  Dad taught me that if you can drive over (through) it with the tractor, the brush hog will handle it.  So far that's been true but it really makes a noise.

Don't try this with one of those light finish mowers.
-------------
From: Jerry Smith <jerry_smith at anvilsandinkstudios.com>
Date: Tue Oct 3, 10:26 PM
To: Sponsored by ABANA <theforge at mailman.qth.net>
Subject: Re: [TheForge] Lawn Mower Blade

The last brush hog I worked with, the blade may or may
not be 5160, but that sucker was like 6 or 8 feet
across and had a lot of torque from the tractors take
off. It would make a mess out of any living creature
that went under it.

Jerry

--- Doug Ayen <ayen at homeport.org> wrote:

> Thus Spake David E. Smucker
> (davesmucker at hotmail.com):
> > I have had a Gravely for about 15 years now --
> still has the original blade 
> > on it.  I don't use it near as much as I use to
> but it had a least 10 years 
> > of heavy use.  Blades are 5160, and heavy like a
> Bush Hog blade.  You can 
> > forge out the cutting edge and then grind, no need
> to heat treat.  This is 
> > done all of the time with Bush Hog blades.  After
> working on you blade you 
> > should balance.  Only problem I have had on the
> Gravely is breaking some 
> > teeth of the bevel gear set that drive the blade
> out of the main gear box. 
> > I haven't replaced them yet but know I should so
> it is on my to do list. 
> > Gravely keeps parts for units that go back many
> many years -- but of course 
> > they are never cheap.  (All of this is based on
> the assumption that you 
> > Gravely is of the type with the cutting deck out
> front of the gear box, 
> > wheels and engine.  This is the original type of
> Gravely, they also make 
> > other designs too.)
> > 
> > Dave Smucker
> 
> Speaking of which, what are bush hog blades? 5160? 
> 
> Thanks.
> 
> --doug
> (got a piece I forged out from such a blade that's
> come out much better
> than I'd hoped -- what was going to be the
> prototype/test piece might as
> well be the final, if I can figure out a good
> heat-treatment for it.)
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