Extreme Light Weight
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| Sandwich is the key. With a sandwich we can get sufficient wall thickness into the layup, so that the fiberglass itself and the amount of resin used can be drastically reduced. For instance, where the ES Evolution Fuselage has 2, in some areas 3 layers of 200 g/sqm glass cloth in the skin, the 3D-Universe has only 2 layers of 48 g/sqm with an ultralight sandwich foam in between… |
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All plywood formers are modified and lightened, also the material was changed to light ply, in some highly stressed areas carbon sheeted. Every sheet of balsa used for ribs and stiffeners is weight first and hand selected for the job. All this, unfortunately, makes the production process much more complicated and time consuming. Approx. twice the time goes in. |
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