Viewing the various techniques for moving logs one is forced to take into account that there are countless ways to do any given task. Making it all the harder to be certain how the AE's moved their Stone.
But I think you summed up the case against Balloons.
The Kite idea , imho,is just far to subject to the unpredictability of wind shifts to be in any way practical.
Except for the die hard new agers, levitation is out.
There is little evidence of any Wheel mechanics
Hydraulics, and yes that has been seriously proposed(tho a Univ website about it was originally set up as a spoof). and seriously spooofed by myself(see Sistern Chapel).
which gets us back to Ramps,levers, sledges and plain old grit...or a combination of any and all of same.
Warwick
" I have always found that the main obstacle to free
association on these boards is the broad
misconception that what we do not know is more
significant than what we do know."
Warwick L Nixon, March 8, 2019