quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,341
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Post by quartz on Oct 27, 2017 23:31:15 GMT -5
We came across a friend while ma and I were grocery shopping the other day. He said a mutual friend was getting rid of the rock equipment still at her place. There was a 24" saw and an arbor machine still there, either someone takes it or the scrap man will. I called a friend maybe interested, he came for a look and asked if I would help move the stuff. The lady who had the machines said her [late] husband and before him, her dad, had used the equipment. She thought it had sat for about 35 years. I think the machines are quite well made homemaders, not certain. This machine is 40" long. 24" blade, the lady said well used. The saw motor, 1/2 hp, 870 R.P.M., weighs 135 lbs. Pat'd 1911 and 1916. Future life planned to be a great doorstop.
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,685
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Post by Fossilman on Oct 28, 2017 9:10:12 GMT -5
Larry,your going to be a busy guy this winter....LOL Cool finds...
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Post by accidentalrockhound on Oct 28, 2017 15:50:58 GMT -5
Diamonds in the rough gotta love them.
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,341
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Post by quartz on Oct 28, 2017 15:53:52 GMT -5
The notion with this project is that I act in an advisory capacity only, got dirty moving it, that's enough. I have plenty other stuff to keep busy with.
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Post by MrMike on Oct 28, 2017 16:51:10 GMT -5
The notion with this project is that I act in an advisory capacity only, got dirty moving it, that's enough. I have plenty other stuff to keep busy with. How does that saw work? Like a pendulum with counterweights? Really neat stuff.
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,341
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Post by quartz on Oct 28, 2017 23:00:54 GMT -5
You're right on with your description of the saw operation MrMike, very basic in construction. There is a fixed weight on the end of the arm opposite the vise, and two more weights the same size that can be located and pinned at several increments along the counterweight bar.
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Post by 1dave on Oct 29, 2017 0:46:30 GMT -5
Us old timers love our old junk stuff!
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vwfence
has rocks in the head
Member since January 2013
Posts: 557
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Post by vwfence on Oct 30, 2017 11:51:54 GMT -5
There is a face book page to show old equipment
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Post by johnjsgems on Oct 30, 2017 12:56:20 GMT -5
Covington still makes a very old fashioned horizontal combination unit. In saw mode the rock vise swings like that into the blade.
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,341
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Post by quartz on Oct 30, 2017 13:57:32 GMT -5
Covington still makes a very old fashioned horizontal combination unit. In saw mode the rock vise swings like that into the blade. Interesting, perhaps the "old standby" designs are sometimes better than some of the new stuff that seems to be so trouble prone. Thanks
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Post by MrMike on Oct 30, 2017 21:21:38 GMT -5
You're right on with your description of the saw operation MrMike , very basic in construction. There is a fixed weight on the end of the arm opposite the vise, and two more weights the same size that can be located and pinned at several increments along the counterweight bar. Is the saw water cooled? Looks like coolant is pumped up to the rock or am I seeing it wrong?
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,341
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Post by quartz on Oct 30, 2017 22:41:52 GMT -5
Yes, the saw was water cooled, at least I would assume water. A tank and pump came with it, the water piped up, split, and aimed at both sides of the blade. Look at the front of the blade guard; there is a piece of tubing wrapped around a large washer, this is where the water is directed to the blade. The feed tube used to be soldered to the loop of tubing, broke off at some point. Where the tube end is laying, it looks like the rock is cooled.
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Post by MrMike on Oct 30, 2017 23:13:26 GMT -5
Yes, the saw was water cooled, at least I would assume water. A tank and pump came with it, the water piped up, split, and aimed at both sides of the blade. Look at the front of the blade guard; there is a piece of tubing wrapped around a large washer, this is where the water is directed to the blade. The feed tube used to be soldered to the loop of tubing, broke off at some point. Where the tube end is laying, it looks like the rock is cooled. OK thanks Larry
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Post by johnjsgems on Oct 31, 2017 13:33:32 GMT -5
You can pump oil to the blade from a reservoir too.
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,341
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Post by quartz on Oct 31, 2017 19:31:35 GMT -5
You can pump oil to the blade from a reservoir too. The reason I said I assumed water is because of the rust and lack of oily residue in the tank. I know oil bends pretty much like water, and would have been a better choice in this saw.
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