The TF4000 is an all carbon fiber fan that weighs 4 oz. The 1912 weighs 12 ozs. and the CC HV100 weighs 5 ozs. for a total of 21 ozs.
That is the same weight as an MW44 which will be going in mine
As far as I am aware, Chris is the designer/builder of the model and RC Jets Direct is helping to bring the model to the (mass) market.