Don,

I think we've been over this. Petrie computed the average of the BASE dimensions of the King's chamber which lead to a 20.632" royal cubit. This is correct since it encodes the Earth's equator. The pyramid base dimensions encode the volumatric mean dimensions, and the Queen's chamber dimensions encode the polar radius of the Earth. Thus if we really want to find the three pyramid bas eand height sum you nead to use Khufu pyramid base length - the bast calculation which is Cole's and which works like a charm.

BR Ogygos