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Battelle Memorial Institute (BMI)

Improve design integrity in aircraft and aerospace vehicles

The Metallic Materials Properties Development and Standardization Handbook (MMPDS) is published by Battelle Memorial Institute (BMI) to serve the US aerospace industry. The handbook is created and maintained by the Federal Aviation Administration (FAA), The Department of Defense (DoD), National Aeronautics and Space Administration (NASA) and aerospace industry professionals. It is the source for design mechanical and physical properties and joint allowables. The handbook enables you to:

  • Improve safety
  • Mitigate risks
  • Ensure compliance

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May 28

Gears

I have been studying gears and there is this law of gear ratios that say that small diameter gears when rotated 2 times , then the large diameter gear rotates one time. (Assuming 2:1 ratio). but if we are using big diameter gear as drive gear and using to rotate small diameter gear, then torque shou

May 28

Vector Parallel to the Line

Hi Guys! I was doing a vector math problem since we have this module in this semester in math,I'm an electrical engineer student don't get me wrong and I gat stuck on how to find the vector parallel to the line. The question is : Determine if the plane given by -x+2z=10 and the line given by r=(5,2-

May 28

Low GWP Refrigerants — Understanding GWP, GHG, ODP, and Climate Change

Low global warming potential (GWP) refrigerants emerging today can be grouped into several categories, making selection complicated. While low GWP is important, it is only one of many factors involved in refrigerant selection and safe use. ------- Editor's Note: This news brief was brought to yo

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