I don't know. The numbers I get
by calculating the size of the slab should
not have caused failure even in 'dead lift'.
Figure 36" wide and 48" long at 4" thick (or
four cubic feet) times 150 lbs cubic foot is
ca. 600 lbs.
The little 4-1/2" diamond blades are cheap and quite competent, though.
On Wed, 29 Aug 2012 09:45:49 -0700, " firstname.lastname@example.org"
Yabbut, how tightly was it locked to the adjacent blocks?
Was there a hydraulic lock to the wet earth below it, perhaps?
If it were dry, the few sledge blows would have broken it loose, but
the wet slaps may have made it lock to the wet soup below. At least it
looked pretty wet in the pic.
Yeah, the wonders that a little $10 HF 4-1/2" grinder can perform are
too numerous to list.
I just got done watching "Astronaut Farmer". Wonderful flick. Highly
recommended. Thanks, Netflix.
Stay centered by accepting whatever you are doing.
This is the ultimate. -- Chuang-tzu
Butted on end but free on three sides. I don't get it.
Nup. Practically no contact with earth.
I'd used my slate bar to pry one end up, braced
it then slid the jack about 20% in to the center
of the slab. I really should have seen *less*
than a 'dead lift' load, not more. Weird.
The brackets supporting the new front wheels and the
sub chassis that holds the new lifting jack.
(I didn't 'design' the crane mount plates, I just
plunked it down and scribed and drilled.)
It is all painted orange so it's pretty impossible
to tell which are factory parts and which are
my little additions.
This is a little clearer:
I've got a monster 400 KB picture that shows the sub-
frame very clearly; all the CADCAM pieces TIGed together,
before painting. I think I'm about 50% beyond the
limit for patience of our woodworking friends, so I
will refrain from posting and linking that picture.
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