I like Mark, and feel he has done more than anyone else revealing the Pyramids. Saying he "could tweak his theory and get it close", is unsupported. "a couple errors". Can you provide a source for that, and where the errors took place? Mark Lehner is a skilled draftsman, and has written several good books. Are there illustrations as to Pyramid construction?
It's the 1-2 stones per minute within a 20-30 years build rate, that dispels the greater amount of proposals. And, this is why that math is never supplied. Even with the Funicular, I have problems. A barge carrying 12 stones need to be pulled of the top of the Causeway every 12 to 16 minutes. That only leaves the possibility, the barges were placed a short distance apart, as in Tandem. Also reduces the rope needing to be long, as there were many of them combined. Do this, and it becomes plausible. It works.
You can design and propose all kinds of methods, but as a matter of fact, if you can't show, how it would be done, under the (1-3 stones / 20-30 year) constraint, what good is it? It's unrealistic. Can it be done? I am trying to answer that. Mark Lehner's discovery of small catering / sleeping quarters put even a higher strain on proposals. Now you can't have that many men either. In my mind, that kills the stone puller ramp nonsense. There is no evidence that many men were feed, or able to sleep.
They spent 10 years preparing according to Herodotus. Herodtus Machines would not be able to withstand the above scrutiny. That approach trying to lift one stone one level at a time, is impracticable. I do believe however, Herodotus was correct, that they spent a great deal of time preparing. Which came first? The Causeway or the Pyramid(s)? Common sense dictates the Causeway came first. If they prepared, they would have had ready many cut blocks, 10 years worth of cutting blocks, and the barges to carry them. They had already quarried many of the stones. They did not, as so many believe, quarry a stone, and drag up to be fitted. That was not the order. They planned the building project. That cut/haul/fit is for the simplistic minds, who don't understand construction readiness, and procedures.
>Herodotus in EgyptHerodotus is suspected of having embellished – or made up entirely – some of his historical accounts, but scholars generally accept this particular account as Herodotus provides otherwise reasonable accounts of Egypt and it would have been quite possible for someone living in Halicarnassus to safely and easily travel to Egypt during Herodotus' lifetime. Trade existed between the Greek City States and the kingdom of Egypt. In Egypt Herodotus is thought to have conversed with locals on the matter.' descriptionHerodotus provides a description of the process in Histories.The pyramid was built in steps, battlement-wise, as it is called, or, according to others, altar-wise. After laying the stones for the base, they raised the remaining stones to their places by means of machines formed of short wooden planks. The first machine raised them from the ground to the top of the first step. On this there was another machine, which received the stone upon its arrival and conveyed it to the second step, whence a third machine advanced it still higher. Either they had as many machines as there were steps in the pyramid, or possibly they had but a single machine, which, being easily moved, was transferred from tier to tier as the stone rose — both accounts are given and therefore I mention both. The >upper portion of the Pyramid was finished first, then the middle and finally the part which was lowest and nearest to the ground.
"they raised the remaining stones to their places by means of machines formed of short wooden planks."
First off, the shorter the wooden plank, the less leverage you could use. Second, there is no accommodations for that many men. Again, run the numbers. Which few do. Have you seen the videos of individuals raising stones using levers and wood shims? Way to slow... You only have 2-3 feet of working space per ledge. And, where is the Cap stones in all of this? That kinda presents a problem.
I will illustrate my proposal better, showing the barges in tandem. Takes me time. Odd, how no one left any illustrations, decorations, statues in wall reliefs...on & on.
Definitely, Franz's pulling stones down the face would be hazardous. You can make changes to his plan, with additional men at the bottom, pulling at level ground. His rope roll, is a pulley to many. His friction sleeve was an insight. He spent a great deal of his time, explaining other matters, all supported with math.
That is why I like Franz. He knew better, than to just fantasize.