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  1. Lou Scannon

    Anyone going to ASME ICEF in Chicago next week?

    ASME ICEF 2019 This will be my first one in person, though I believe a paper I co-authored was presented in 1992. Pipe up if you're attending this year; it would be fun to hook up. Most of the specific topics are rather esoteric for me in my current role as turbocharger application engineer, but...
  2. Lou Scannon

    Simple module for CAN or MODBUS data acquistion & storage

    This is not my field and I do not need to find a solution, only define a space in which a solution exists. The requirement is to tap into a J1939 CAN, CANOpen, or MODBUS network for example (only one of these capabilities would be required), and read and log certain parameters being transmitted...
  3. Lou Scannon

    Contrary trend in knock-limited performance testing - explanation?

    Here's one for the performance gurus... In perusing one of the many NACA WWII wartime research papers that are now available online, I noticed an unexpected trend in knock limited performance data. With knock being held more or less constant at the incipient level, and increasing fuel/air...
  4. Lou Scannon

    How to seek out an expert consultant

    Hello, Welding, Bonding & Fastener experts... I'm an automotive engineer needing to hire an expert consultant to help with designing a high performance fuel tank mounting system. The design concept needs to be based on simple plate, sheet & billet steel shapes, that can be formed, fabricated...
  5. Lou Scannon

    Cummins 5.9 rod separation - root cause?

    https://skydrive.live.com/?sc=photos&cid=e8ff37d54fb89482#!/?cid=e8ff37d54fb89482&sc=photos&nl=1&uc=7&id=E8FF37D54FB89482!350 See this link for photos of a Cummins B5.9 connecting rod that failed by separation of the cap from the rod. It is pretty self evident that the failure mode was one of...
  6. Lou Scannon

    V8 Firing Orders

    Out of curiosity I have been "collecting" V8 firing orders. So far I have found 5 unique firing orders for a conventional 90 deg bank angle cruciform crank V8. For clarity, cylinder numbering is from the front of the engine to the back, so odds are on one bank, evens on the other. They, along...
  7. Lou Scannon

    Moly filled vs plain ductile iron top piston ring

    I've done some searching, and nothing I found specifically addresses my question. I am rebuilding a factory turbocharged engine that originally came with a chrome faced top piston ring. These rings are no longer available, so my choices are a typical moly-filled top ring, or a traditional...
  8. Lou Scannon

    Knock sensor deployment on industrial engines

    What is the conventional wisdom on deployment of knock sensors on industrial engines - e.g. number of sensors per bank, location of sensors? On automotive engines, 1-2 sensors for the complete engine is considered quite sufficient for up to 8 cylinders. I understand that a higher concentration...

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