This page will capture additional notes that will perhaps help you in using the multi-node non-HA bare-metal Foreman install for Academy.
You should be able to power-down the NUC boxes and move them to another place. The should power-up and be reconnected using the same addresses they were assigned in the install (at least this works for the 3-node deploy). The procedure to power-up is:
sudo ssh root@localhost cd /var/opt/opnfv/foreman_vm vagrant up