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Does someone know the hardness (Vickers, Brinell...) of the magnesium alloy AMS4439 or does someone know a good site or book to find tables of hardness for magnesium alloys. Thanks Adam

Ok ya, your right, my subject is too broad. More precisely, I'm searching for examples of wear and loads on specific gas turbine mechanical components. Thank you. Adam

Hoooooo!! Wow!!!

Hi, I'm searching for ducumentation (web sites, articles...) on turbofan, turboprop and turboshaft engines components (shafts, gears, bearings, how they work and the diffent forces applied on each...). Can someone help me. Thank you. Adam

Hi, Do someone know if there are standards or norms (soldering technics, kind of solders...) on electronic soldering for spacecraft applications. Thanks. Adam Québec, Can

As MikeHalloran said, you're better with a conventionnal propeller or a turbofan (if you want hight performance). Keep in mind that the Archimedes screw conveyor moves matter, wich principle is not effective for compressible fluids. A propeller create a pressure difference like the wings of an...

I'm searching for documentation on materials used for space radiation sheilding (for low Earth orbit application).

I just want to know how they lock screws for spacecraft and satellite applications. To they use low out-gassing threadlockers...?