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The first high-temperature carbon fibre mold has been seperated from its plug. It has turned out perfectly with no defects.
Today we completed three big milestones towards constructing the airplane. One fuselage forward-half mold has been infused with epoxy resin The hatch test box has passed its pressure+cold test We pressurised a test double-paned window to destruction just to see what...
The second test box has now been completed. This box is intended to test the hatch with pressure and cold. This is a process of iterative design and testing. The first test box showed that the fixed-window design is adequate but the box itself failed. This new one has...
The rebreather system development is continuing. We have sucessfully tested some more refinements to the design. Jeff Bozanic has been invaluable, contributing expertise and identifying some diving hardware which will be useful to us. James Murray, Jeff Bozanic and...
The fuselage plugs have been painted in their final coat of paint. There is still a lot more sanding and surface preparation before we can start construction of the mold.
As predicted last week, testing the window with full pressure and cold temperature has blown up the test box with no damage to the window. The test box was filled with offcuts of blue foam and sealed up. More blue foam was placed on top to hold the dry ice. The dry...