Its certainly impressive to say the least! Your detail and presentation is improving out of sight. Jedi Master says; Well done my young Padawan.
Don't do it just because I said so (its your design after all) but have a think about the following to adjust/improve your design.
- think about the fuselage aerodynamics (especially the 'nose' of the aircraft)
- reconsider the profile/shape of the 'hull'. I suggest looking at exemplars such as the R3Y Tradewind, Martin Mars, Hughes 'spruce goose' and other large seaplanes for inspiration.
- have another look at the intersection of the engine nacelles and the wing, as well as the wing root and the fuselage.
- Again use exemplar aircraft to re-examine the tailplane and horizontal stabilizers. The relative proportions are plausible for an aircraft of this size, but the shape and other details need some work I think.
- If the main subject of your post is a 9-engined catamaran (i Assume two parallel fuselages, with a bridging section of some kind) perhaps a frontal view would be a good idea to more clearly communicate your designs 'unique' features.
Again well done - happy to see that you are taking to this like a duck to water (or a seaplane to a mirror-calm lake perhaps?) Look forward to the next iteration &/or further inventive AU designs.
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