Hello Dave the model weighs about 35 kg dry weight .i have 15 litre fuel tank , also 4 litre smoke tank , to which i fly with 2x wren 160 , i would like to fit one motor, cheers steve.
You don't need 100lb. A 300N turbine would fly it well enough. Airframe drag is not great and you never need 1:1 on a scale model The 1:2.9 scale we flew was 80+kilos dry