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Pyramid builders KNEW the PULLEY.

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Author Topic: Pyramid builders KNEW the PULLEY.  (Read 193 times)
cleasterwood
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« on: April 07, 2007, 07:54:48 am »

Here's my theory of the use of pulleys in building the Great Pyramid and other Old Kingdom monuments.  I'ev started with examples of pulleys that have been found followed by my very short thought of how they were used.

Quote
Several of the less-familiar objects aroused particular interest and comment. One is an amusing ivory toy of three dancing dwarfs, which are crafted with a system of threads wrapped around a pulley that, when pulled, make the figures turn back and forth. Another is a curious paddle doll; and the third, standing alone in a cabinet, is a wonderful little limestone ka -statue of Weni excavated by Janet Richards of the University of Michigan Expedition at Abydos in 1999. This delightful statue, which represents the life-force of the deceased, is no more than 17.9cm high and probably stood in his serdab or hidden chamber between two walls in his tomb. It shows him as a child with wide face, thick lips and protruding ears. He wears no clothing and the struts between his arms and body were probably intentionally left for support. Weni was a high- ranking official in the Old Kingdom but his tomb, discovered in 1860, has now been lost.


http://weekly.ahram.org.eg/2006/790/hr1.htm

   The rest of the festival of Dionysius is ordered by the Egyptians much as it is by the Greeks, except for the dances; but in place of the phallus they have invented the use of puppets [neurospasta] a cubit long moved by strings, which are carried about the villages by women, the male member [phallus] moving and near as big as the rest of the body.

    As Herodotus describes an Egyptian festival using string-operated figures in a procession, and as he calls these figures neurospasta, then we may say that the word neurospasta refers to these sort of displays, and not puppet plays, in the sense of theatrical performances. We may also derive from Herodotus that Egypt taught the use of neurospasta to the Greeks, and that the Egyptians invented their use. Indeed, Herodotus says that much of what Greece has was learned from the Egyptians.

And http://hbar.phys.msu.ru/gorm/ahist/arnold/arnold.htm

Quote
Bearing Stones or Ropes Х At Giza were found two stone implements, apнparently of Old Kingdom date, that were part of an unknown device to pull or lower three parallel running ropes over an edge or around a corner. The first one, of basalt (24 centimeters long, 18 centimeters wide), was found in the pyramid city of Khentkaus (fig. 6.45).142 Its head has grooves for three thick ropes and was inserted with an elongated mortise like a bearing into some device—probably not in stone, for it was fixed with a round peg or tenon. The second one, from the valley temple of Mycerinus. is of dark slate (37 centimeters long, 16 centimeters wide) and is broken (fig. 6.45).143 Its mortise is longer and has room for two pegs to be fixed.

By the shape of the head of the stones, one may conclude that they were made to change the direction of the ropes by 45 to 90 degrees. The object into which the stones were inserted must have been a pole, the head of a scaffold, or a kind of trestle.144 The shape of the head and the way it was fixed to a shaft prevent it from being used for vertical lifting or lowering.
 
This could have been achieved only by putting it into an oblique shaft or crane (fig. 6.46). In a vertical position, the weight pulled could have been moved only at an angle of 45 degrees. It could have well served, therefore, to lift or lower heavy weights—for example, a pillar or a colossal statue.

We have here a primitive forerunner of a pulley, or a so-called fast pulley, firmly attached to a shaft. The existence of this device seems to indicate that real pulleys made of a wheel with a grooved rim did not yet exist. M. Isler has suggested to me that bearing stones would have been superior to even wooden pulleys because the wooden pulley axles would have been too fragile to bear heavy loads.

Footnote:  144 A relief from the tomb of Apui at Saqqara might suggest that the bearing stones could also have been inserted into the tops of masts of sailing boats (CEAEM, fig. 45).


See also: http://au.geocities.com/psyberplasm/ch1.html

Now logic will tell you that pulley's use wheels, right?  Wrong!  There is another way to make rope slide without wheels or friction.  How you ask?  Simple, leather is wrapped around the log and then lubricated with mutton fat or any other oil that lubricates.  This would allow for the easy pulling of ropes across the pulley and since we know that Hemp rope and even papyrus rope can be woven strong enough to be able to lift 20 ton blocks if you have multiple ropes supporting the stone.
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