Podle clanku to neni chyba materialu, ale zpracovani (obrabeni). Zajimave. Prijde mi to jako docela blbost, ze by to slo opravit. Armada ale mozna vrti psem, aby dostali prachy na novy hracky - F-22.
Cracks were found in nine other F-15s where machining during manufacture had reduced the thickness of the longeron web below blueprint specification or where there is surface roughness that could cause stress concentration. |
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