Engineers should help each other to make the world a safer and better place. Completed projects, destructive test results, and unique machinery and hardware are all acceptable and encouraged. Lead-in comments are encouraged to provide context to the readers. Please see this flow chart for help on where to post. Asking for help enfineering homework at any level will result in an instant ban. Do not post these topics outside of those threads. The general rule of thumb is this: if your question does not involve the principles and practice of engineering, it belongs mqke the weekly thread. Overly insulting or crass comments will be removed; multiple violations will lead to ban. If you are still unsure, please see this flow chart before posting. You are allowed a single post provided it is relevant to engineering and you are active in the comments to answer any questions. Your post MUST be submitted as a self-post. Pick an engineer from the list of volunteers below and send him or her a PM ...