I guess I can see that. On the Solo, we have less than 200 lbs. of composite, which costs us about $700 - but this doesn't count control systems, landing gear, brakes, etc.Ah, I see where I'm vague, my bad. By materials, I solely meant the structural materials, so just epoxy/carbon/foam or steel truss, or alu sheeting and rivets. Same for labor, just building the entire airframe, not systems, controls etc.
Labor to build those parts and put them together is about a third of overall labor, so 150 hours or $2700.
Together, that comes to less than 20% of overall cost of manufacture.
I've always been intrigued with flying wings, but how do you make one a UL?Well, rather the opposite. Standing next to it at an airshow is good entertainment. Plenty of drooling non-pilots. The simple looks put away with much of the "I can never afford that" thinking.
Seems like you'd end up with the Sadler or the KasperWing?
I don't particularly like how the Verhees folds and travels (I would like trailer storage) but there is probably no better way.
254 pounds is going to be the tough part, and again, designing a flying wing is beyond what I am willing to do.