"Your step 1 and 2 are not going to work...
Just for fun ask someone with a Ti Caldera Cone to pick that up with boiling water inside and try to pour water out of it."
1) The diagram shows a pot grab: I used that on my prototype.
I am not sure what point 2 is.
Ken: I don't need another pot, the pot is viewed as part of the kettle: you cant drink straight out of the back country boiler, so I don't view leaving the blackened pot in the boiler as a minus compared to it.
NB The idea is to appeal to extreme ultra-light persons, for whom the BCB is too heavy, with a few little compromises whilst keeping its main advantages, not to compete directly.
Also, an inverse chimney is the only MYOG way I can think of, that doesn't involve a lathe or DWI machine.