November 21, 2020 10:20AM
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Registered: 4 years ago
Posts: 170
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Hi Kanga,
Quote
When we go by the average slope of the shafts, as Petrie did, we are led away from both the geometry and astronomy of the shafts
Quote
For the astronomy, we have to look at the slope of the final straight parts of each shaft
When we consider the final "straight" parts of the shafts, we are dealing with their average slopes, since no straight parts of the shafts actually exist, and they consist of segments with different slopes (the difference is more than 1°). See tables here [
www.hallofmaat.com]
You might argue that the slope differences are minor and caused by construction difficulties, but these minor differences correspond to altitudes of a star in a wide range of dates (~ 200 years).
Thus, if we consider the final part of the shaft as conditionally straight and use the average value of its slope, then we can only talk about the corresponding wide range of dates of 200 years, but not in any case about dates accurate to the year, as you suggest: «
These lead precisely to Alnilam and Thuban in the same year, -2552.»
What do you think about why the Egyptians built the KCS shaft with the bend (angle of slope from 43.3° to 45.3°)?
Which of the reasons for the existence of the bend seems more acceptable to you:
a) irregular settlement of masonry;
b) difficulties in creating constant angle of slope during construction (an increase in the angle to the outside can then be considered as an adjustment so that the shaft has an outlet at a pre-calculated elevation - course 103);
c) the shaft was planned with smooth bend for unknown reasons. Only the final part of it was planned to point to the stellar target like a hose tip.
Alex.
Edited 1 time(s). Last edit at 11/21/2020 10:23AM by keeperzz.
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robin cook |
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