February 21, 2020 04:45PM
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Registered: 14 years ago
Posts: 1,243
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Hi Chris,
Thanks for your determinations of distance and bearing of Red Pyramid from Bent Pyramid.
I got 2055 metres to the nearest metre the same as you.
My theory is that the distance is 1/sr44 x 25,920 cubits which is 27,353 palms or 3907.6 cubits.
Petrie regarded the cubit as 20.68 inches plus or minus 0.03 inches for the Bent Pyramid and its Satellite Pyramid (with the Satellite Pyramid as a model of the Red Pyramid).
A length of 3907.6 cubits x Petrie's cubit of 20.68 inches plus or minus 0.03 equates to 2052.55 metres plus or minus 3 metres.
Therefore the first part of my proposition is substantiated by modern survey data. Petrie estimated the distance as approximately 6702 feet or 2043 metres, so I think Petrie would have been pleased he was so close to reality.
The crucial test of my theory is the bearing west of due north.
The theory requires that an arc of 27353 palms should be y degrees west of due north where y = 27353/3168 palms so 8.634 degrees as calculated from 22/7 which is 351.367 degrees or 351 degrees 22 minutes.
I got someone-else to estimate the angle from Google on 21.1.15. I was pleased with a determination of 351.37 degrees which is 351 degrees 22 minutes. At that time I had not spotted the ratio 1/sr44. The theoretical value in my model was 351.35 degrees so that the the middle of the east side of the Red Pyramid is 25,920 palms from the middle of the north side of the Bent Pyramid with the pole to pole separation equal to 3908 cubits as the length of the arc of the circle with a radius of 25,920 cubits for the theoretical bearing expressed as degrees west of north.
I just looked at Lehner's drawing of the Red Pyramid and the mortuary temple is in the middle of the east side of the Red Pyramid as if framed by two parallel walls either side of the east-west axis.
Your new determination of 351.5161 degrees is close to 351 degrees 31 minutes, so a difference of 9 arc minutes from my new model. If this was the design then an ancient survey error of 9 arc minutes across undulating terrain at a distance of nearly 4000 cubits (2 kilometres) represents a remarkable achievement.
I would have thought my hypothesis is tenable for a difference of less than 30 arc minutes, so I am pleased to accept your assessment.
I appreciate that most now reject Petrie's cubit of 20.68 inches, but this is the length of the cubit required by my model of the 360 circle at the centre of the base of the Bent Pyramid (with a side length of 360 cubits) without which my proposition has no basis.
Mark
PS
The original determination in 2015 was based on a connecting line in the Google Earth tool with each end of the line placed at what appeared to be the peak of the pyramids.
Edited 5 time(s). Last edit at 02/21/2020 05:29PM by Mark Heaton.
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