So if one Chinook can hike up 28,000lb, does this translate into two Chinooks lifiting 56,000lb or do you have to deduct a little=?
Vorticey - yes, I'm on your wavelength but it was a dense answer to be honest
I did have to check back to my original posting to see I had put "heaviest" and not "densest" just in case....
Sycamore - you refer to the Piaseki experiment that later involvded an aerostat as part of the structure - now that was one big dream! Actually, my query is for an actual project in 2003 in UK, so that would limit it down a bit to what could be available.