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carbon fiber solid laminate: 6.2oz 2x2 twill - 7 layers
(140 grams) - load 4.4 lbs. |
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carbon fiber solid laminate: 6.2oz 2x2 twill - 14
layers (278 grams) - load 24.2 lbs. |
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carbon fiber skinned honeycomb: 6.2oz 2x2 twill -
2 layers either side - 1/2" honeycomb (total weight of skinned
honeycomb: 180 grams) - load 24.2 lbs. |
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All samples above were ~4"x25". All were
vacuum bagged and cooked (elevated temperature epoxy). |
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Samples are now currently at a materials lab (11/13/04-)
for further and much more scientific testing than the above "paint
can" testing apparatus... Even the above tests however readily
illustrate the benefits of honeycomb versus even a 14 layered
solid laminate. Not only is the honeycomb much stiffer, it is
also lighter than the 14 layer solid laminate. |
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A close up of the honeycomb with carbon fiber skins. |
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To learn why an oven is an important part of advanced
composite fabrication, please click
here. |
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