Pumping Aircrete with DIY Aircrete Pump

Here, Aircrete Harry mixes aircrete with a hand mixer and pumps it into the wall cavity of a two-shell dome, with just a barrel and some air. This has possibility.

Preceding video detailing the diy aircrete pump, tank and parts: https://v2.incogtube.com/watch?v=Nui92aVAEL0