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originally posted by: FlySolo
Why cut quickly? Just look at it. Do you disagree these are test cuts? And time on your side doesn't mean jobs are done less efficiently. In other words, just because there wasn't facebook or TV back then doesn't equate to more time spent on a job because there's nothing else to do. In fact, it would be prudent to go as fast as possible. More man power doesn't make a task necessarily go faster either. Specifically that particular picture. Horse power would be the better term because that test cut is a one-man job.
originally posted by: ISawItFirst
So why don't we hear more about these channels. Are all our copper sand guys going to say they drilled through all the blocks in their final place? Or did they drill them one at a time from elaborate mathematical plans and stack the blocks accordingly?
I picture some giant wooden jig holding a 100 meter sagging wooden drilling rod hanging off the side of the pyramid in a gravity defying dance with.... well, it doesn't matter what I think. Notwithstanding, it is clear to me that whomever built them, wanted us to know that the procession of the equinoxes is very significant.
If the principle works (and it clearly does), then there would be any number of ways to do it - all one needs to do is make sure that the string travels in a straight line and that's not too difficult. More workers can just mean more work per hour, as such.
originally posted by: pheonix358
Those saw cuts look like an angle grinder was used and could have been cut any time since angle grinders were invented.
It looks as though much of the area has had much of the stone work carried away probably for local building projects and this has happened many times before in many areas.
On the other hand, it is very smooth cutting on the surface and does the beg the question.
But honestly, for every time that 'they' have said this or that could not have been done by ancient man, someone comes up and proves them wrong. From Easter Island to the guy in the US who moves around 25 ton slabs by himself.
They did have two handed saws in those days and just because we have lost the knowledge of how it was done, does not mean that they did not do it all.
Having said all of that, it is amazing how flat they managed to get those rocks.
Power tools? I don't believe so. You just have to look at the huge Cathedrals and Castles in Europe and elsewhere to know that man could build awesome things without power tools.
originally posted by: FlySolo
looking at that picture again zoomed in on my computer, those cut marks are very telling. It would appear a 1 inch cut was made with a circular saw judging by the entry marks.
eta: I decided to back up my theory with a google search of " saw cut marks stone" to see what the masonry results are like and I found this:
Notice how crisp and parallel the edges are. The quality of this work indicates that the blade was held completely steady. Apparently, cutting basalt was not so slow and arduous that extra cuts like these would have been avoided as being an unnecessary waste of time.
My thoughts exactly.
It's not a no brainer when those are the tools that you have.
In ancient Egyptian art no representations have been found of the sawing of stone by means of a copper blade and an abrasive (Lucas & Harris 1962, Stocks 1999), nor has any lapidary slabing saws been found in the archaeological record (Arnold 1991). However, the ancient Egyptians had copper saw blades, which they employed in carpentry, and are frequently represented in Egyptian art (Fig. 1a). Examples of carpentry saws from very early in the ancient Egyptian civilization (1st-3rd Dynasty) have been found (Emery 1972, Arnold 1991). These early copper saws are of a variety of lengths up to 40 cm (image). Usually, only one edge of the blade is serrated and meant to be pulled and not pushed during cutting (i.e. rip-saw), and the blade is socketed into a straight wooden handle (Fig. 1b). An example of a fragment of an ancient Egyptian copper saw can be found at the Petrie Museum (UC30854).