I've made a lot of design progress since the
first post on the project. The current design report is here:
Link to Current Design Report
As
I've recently pointed out, I have ordered some of the basic airframe parts and some components to test the composites with. On that front, so far I (with a lot of help from a composites expert) have completed a test layup of 98mm PML tubing. This was done using the Giant Leap Kevlar sock, West Systems 205 epoxy, a spiral wrap of 2" wide peel ply, followed by vacuum bag.
Without any formal testing at this point, the tube feels very strong and not too heavy. It gained about 56.7% in weight, and 40.6% in wall thickness.
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98mm Tube Before and After Composites
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| Tube with Peel Ply Removed |
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Foam Caps Removed
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Ends Cleaned Up
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Whole Tube Sanded
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Centering Rings Sanded to Fit
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Fit Check in 7.5" Airframe Tube
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