Sunday, June 24, 2012

Leading Edge D-Structure: 2.3 kg

3 meter long leading edge D structure, carries all flight loads for +6 -3 g. 2.3 kilograms including the fiberglass on the web faces. Will go up to 2.5 or 2.7 kilos when I include the metal fittings, and there will be about 100-200 g of glue. But it's still pretty light. Notice in the spar, the balsa wood, which is 120 kg/m3, is replaced by 28 kg/m3 foam on the outer 110 cm of the wing.

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