I have some 6013-T4 sheet that is several years old. I am assuming it has naturally aged up to ~T6. I'd like to find a curve on the aging profile of the material.. does anyone know where I can find said curve?
I'm writing up stress notes for an electrical conduit in the fuel tank, and one item of contention is that the saddle clamps have no allowables. The prime does not have test data, and as best I can tell hand waves them as having worked in the past. (the joys of systems stress!)
Analytically, I...
I am doing repair doublers for a flight test vehicle, and the rule of thumb as I understand it is that a single sided doubler should be greater than 2x the thickness of the web. As far as I understand it, this is to prevent excessive eccentricity of the built up section.
My question is how...
I am trying to calculate the natural frequency of a fuel line for a FBO/windmill condition. In the guideline document supplied by the prime, it references Blevin's Pin-Pin Multispan & pin-clamp. (Table 8-3 d & e) with the formula.
In the formula, it is asking for the eigenvalue... is there a...
