Tink tink tink thwap thwop

IronWing

No Lifer
Jul 20, 2001
73,168
34,496
136
We tried out a set of wedges and feathers on our granite. It sort of worked. The test piece was a bit weathered so not the best break. Drilling the holes took a lot longer than splitting the rock. The process: drill holes, set feathers in holes followed by wedges. Lightly tap the wedges, one then the other, until the rock splits. The company that makes the wedges and feathers has been making them since 1890.


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Charmonium

Lifer
May 15, 2015
10,582
3,561
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@IronWing - I see your problem in the second pic. Why aren't you using either a carbide masonry bits or just as good if not better, titanium nitride.
 

lxskllr

No Lifer
Nov 30, 2004
60,400
10,786
126
What are you up to? Gonna bring the quarry back to life as an "artisanal" quarry?
 

IronWing

No Lifer
Jul 20, 2001
73,168
34,496
136
What are you up to? Gonna bring the quarry back to life as an "artisanal" quarry?
It always was an artisanal quarry. The operators didn't even have the derrick for the first twenty years of operation. One article mentions the owner sending a laborer out to the quarry to dress and fetch a three thousand pound block of granite using a horse drawn wagon and not much else. It took the guy several days to complete the task. I'm still not sure how he got the rock onto the wagon. I suspect a block and tackle and unhappy horses were involved.
 
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sdifox

No Lifer
Sep 30, 2005
100,741
18,041
126
The shackle anchors are supposed to go on the granite wall in your dungeon, not a random piece of granite.