February 29, 2020 03:44PM
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Registered: 4 years ago
Posts: 170
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Hi Chris,
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Petrie has an average 189.459m, and Dorner, 189.43m for the length of a side
Here is Dorner's data (see column "Länge")
Dorner's 189,43m is "corrected" length for N. side, but not the average (189,61m).
Quote
A 362 cubit square base requires a cubit length of 523.3mm
A 360 cubit square base requires a cubit length of 526.2mm.
So which one was used?
The base of the small pyramid is about 52.441m square - if the base was 100 cubit square, the cubit used was 524.4mm.
Petrie thought the average length of the cubit used in the overall complex was 525.3mm, which is more consistent with a 360 cubit square base.
Petrie wrote that data about side lengths of the Bent pyramid and the satellite pyramid are most accurate.
Side length of Bent (Petrie): 189,46m = 360c of 0.5263m or 362c of 0.5234m
Side length of Bent (Dorner): 189,61m = 360c of 0.5267m or 362c of 0.5238m
Side length of satellite (Petrie): 52,44m = 100c of 0.5244m
Side length of satellite (Dorner): not measured
I inclined to the opinion that cubit of 0.5238-0.524 was used and the planned side length of Bent was 362c.
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A pyramid that has equilateral triangular faces, has an angle of incline of 54.74°, and a corner edge angle of 45°. The closest whole number seqed to the 'perfect' pyramid form is sqd 5, with an angle of incline of 54.462°, and the architect of Snefru's northern pyramid could have simply used the corner edge angle of the lower part of Snefru's southern pyramid (44.711°) for the angle of the faces of the northern pyramid, linking both pyramids with the same geometry.
Interesting idea that links lower Bent and Red, but what about upper Bent?
There are three puzzling points regardign the Bent pyramid:
1. Why did the builders change the angle of slope (due to structural problems or for geometric reasons)? The key point here is the reason for the presence of a dislocation in the N. corridor.
2. Why was such an angle of slope for the upper part chosen?
3. Why do the Red pyramid and the satellite of the Bent pyramid have identical angle of slope, which nevertheless differs by more than a degree from the upper part of the Bent?
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Leaving aside all these musings, do you know how Dorner determined the base level of the so-called “inner pyramid” that is hidden deep inside the pyramid?
He calculated that the elevations of the peripheral joints above the pavement (entrances for the inner pyramid) in the W. and N. passages are 51.43c and 11.33c respectively, and suggested that the base of the inner pyramid was 0.75m higher to get elevations in integer cubits (50c and 10c).
p.55:
A und B, jene Punkte, in denen die beiden Korridore aus der inneren Pyramide austreten, liegen 51,43 Ellen (26,90m) bzw. 11,33 Ellen (5,93m) über der äußeren Basis.
Nimmt man an, das die Basis dieser inneren Pyramide 10 H (0,75m) über der äußeren liegt, so treten nicht nur die Korridore in runden Höhen (10 u. 50 E) aus ihr heraus.
Points A and B are indicated in Fig. 4.
Alex.
Edited 3 time(s). Last edit at 02/29/2020 03:55PM by keeperzz.
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