posted
The djed, an ancient Egyptian symbol meaning 'stability', is the symbolic backbone of the god Osiris.
Looks like a vertebrae to ne
-------------------- It's not my burden to disabuse the ignorant of their wrong opinions Posts: 2699 | From: New York | Registered: Jun 2015
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All we know about the Djed is that it was a sacred symbol that expressed endurance and stability, and was associated with Osiris as his 'backbone'. By the way, the Egyptians associated the backbone with courage, virility, and even male fertility since it was believed sperm was produced there (interestingly just like Islamic belief).
I've read the paper, and while it does make a compelling theory the problem is where exactly is the evidence that the Egyptians used hydraulic actuators in the form of djed pillars??
I know a lot of scholars especially in the field of archaeo-technology and engineering have shown that ancient peoples were indeed more advanced than many people think, but there are some who try to make the claim that they possessed sophisticated technology of which we have no evidence of.
In regards to construction of the pyramids, the problem is that the exact techniques used are unknown to us an all we can do is speculate. I do think that it is possible some sort of hydro-power was used in the moving of the blocks but I just question how sophisticated that power was.
Posts: 26238 | From: Atlanta, Georgia, USA | Registered: Feb 2005
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posted
The force comes from the potential energy of the water in the Nile during the -8m flood, and also from the water that is delivered, for example, by a water ram to a height of 43 m from the water level in the Nile to the base of the pyramid. Study the drawings.
Posts: 11 | From: Polska | Registered: Dec 2022
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posted
We'll have to keep digging to find evidence of hydraulic actuators in ancient Egypt. So far, the claim presented in the paper seems speculative rather than back by hard evidence. Physical remains of such a device by the Nile would be nice to come by.
posted
Sarcophagi from Saqqara were discovered only in the 19th century. Also, I believe that finding the elements of this actuator, especially the cylinder of a large segment - see the drawing - would then be a proof.
Posts: 11 | From: Polska | Registered: Dec 2022
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posted
First, I designed this actuator - I found an actuator with two cylinders on the Internet. To make it from granite, it would have to have a different construction - multi-segment. After drawing, I noticed that it is similar to pillar Djed.
Posts: 11 | From: Polska | Registered: Dec 2022
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posted
^ Hartum, do you have any physical evidence of such a device being used at all?
Posts: 26238 | From: Atlanta, Georgia, USA | Registered: Feb 2005
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posted
Many pictures of this symbol on google images kind of remind me of the pagoda temples of Asia.
Posts: 603 | From: Mobile, Alabama | Registered: Jan 2007
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posted
I designed this multi-segment granite actuator while I was researching how the pyramid of Cheops was built. I needed an actuator that was small in size and had great lifting power and that could be made of granite. This is how this actuator was created. It turned out that it is similar to the Djed symbol. This actuator obviously works. I have found no evidence that such an object or its components exist. I thought that such an actuator might not necessarily be buried but built into the wall so that it would be visible in a different position than that depicted in the Djed symbol when viewed from the side.
Posts: 11 | From: Polska | Registered: Dec 2022
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quote:Originally posted by Djehuti: ^ Hartum, do you have any physical evidence of such a device being used at all?
I designed this multi-segment granite actuator while I was researching how the pyramid of Cheops was built. I needed an actuator that was small in size and had great lifting power and that could be made of granite. This is how this actuator was created. It turned out that it is similar to the Djed symbol. This actuator obviously works. I have found no evidence that such an object or its components exist. I thought that such an actuator might not necessarily be buried but built into the wall so that it would be visible in a different position than that depicted in the Djed symbol when viewed from the side.
Posts: 11 | From: Polska | Registered: Dec 2022
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quote:Originally posted by Djehuti: ^ Hartum, do you have any physical evidence of such a device being used at all?
I designed this multi-segment granite actuator while I was researching how the pyramid of Cheops was built. I needed an actuator that was small in size and had great lifting power and that could be made of granite. This is how this actuator was created. It turned out that it is similar to the Djed symbol. This actuator obviously works. I have found no evidence that such an object or its components exist. I thought that such an actuator might not necessarily be buried but built into the wall so that it would be visible in a different position than that depicted in the Djed symbol when viewed from the side.
Posts: 11 | From: Polska | Registered: Dec 2022
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