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  1. plasgears

    Engineering Presentation to 5 and 6 year olds

    Lauran Paine, contibuting editor to Sport Aviaton Magazine [EAA], wrote the following after a presentation to five yr olds: Hangar Visit ...The teacher said 'put your listening ears on.' The kids held their ear lobes and looked my way... 'See that tall bldg? That's a control tower.' I tuned in...
  2. plasgears

    Anti-vibration mounts for aircraft and helicopters

    Problem fixed? Can't say with authority. Hope so.
  3. plasgears

    Anti-vibration mounts for aircraft and helicopters

    It was observed on the early DC-10's that engine 2 was waving on the tail pylon. That twisting motion carried thru to the aft fuselage. It was not a big surprise to me when baggage doors were dislodging. The whole problem was blamed on the door, but the problem was in the engine installation and...
  4. plasgears

    The Fading Prestige of Engineering

    'Sons of Martha' [A.J. Fredrich] is the title of a book in the ASCE library that serves as an excellent reader on CE works and the stalwart players along the way. Highly recommended. All these people were 10 ft tall.
  5. plasgears

    Anti-vibration mounts for aircraft and helicopters

    Years ago I sat in the rear of a DC-9. After takeoff the port engine was being cycled: 'clunk-clunk-clunk.' They shut it down. The rest of the flight from DC to Boston was single engine. The crew said nothing. Rear engine configs are generally noisy in the rear. There's not much that can be...
  6. plasgears

    Have you ever considered becoming a high school teacher?

    One of the concessions I made during eng school was to spend my summers in summer camp counseling kids in an 8 week format; strictly rich kids. I found it to be a healing experience. Many of the senior counselors were elem and HS teachers. It's a definite plus for working as a teacher. I'm glad...
  7. plasgears

    Have you ever considered becoming a high school teacher?

    My daughter, who was originally enrolled in science education, tells the story of tutoring a young black freshman by the name of Shith Ade, no exaggeration. How he ever got to first base is a mystery. When she saw that the pre-eng students were no smarter than she, she switched to engineering...
  8. plasgears

    Anybody else having difficulty taking vacation time?

    Quarterly mini-vacations, actually long weekends, are a good idea. Explore your own region; you don't need to travel extensively to restore yourself. I am doing more car travel vs. airlines. I have decided to upgrade my car with the money that goes otherwise to the airlines. Another travel...
  9. plasgears

    Thread Design - Plastic Injection Molding

    Consider two flats on the screw at the separating line. The screw is not complete, but the majority is threaded. This will facilitate making the screw in regular dies.
  10. plasgears

    US Airforce new tanker

    rotorblade, Compressor diffuser, fuel tubes, turbine stator air cooling, deletion of mid support on core engine, etc, are all evident on modern engines. These are not generic details.
  11. plasgears

    Supply refereces with resume ??

    I have had to supply references that were checked during a break in the interview. My engineering school was indifferent about providing info. During one hiring, I was obliged to provide the original of my engineering degree. A copy would have sufficed, but they were very demanding.
  12. plasgears

    Is Engineering Drying up in Huntsville, AL?

    It was during a similar climate that I made the transition from defense industry to private industry. I went from jet engines to chem plant equipment to plant engineering. You need to decide to move to large job and labor markets like Chicago, but not for when you retire.
  13. plasgears

    Stability of Work in Defense Industry (USA)

    Keep your eyes and ears open for the next challenge: Libya. I have rec'd signals from a number of quarters.
  14. plasgears

    PE-Exam question

    I took an FAA exam with a guy who used a mini mechanical calculator. It went clickety-clickety for two hours. I would have complained, but maybe it was a plant. The FAA is known for providing tests under challenging conditions. I took my PE with a red wagon full of books. It made the local...
  15. plasgears

    US Airforce new tanker

    The B767 is a wide body with twin aisles. Any new application of the type will have accummulated the benefits of continuous improvement. What is good for Boeing is good for the country. The US Congress should consider that the Airbus technology was largely immitative of US models. That includes...
  16. plasgears

    Spin Wheels Before Landing

    I have advocated building biased ribs in wheels that act like turbine blades. The concept can be tested with clamp-on blades, four min to a wheel. Another approach is push-on blades made from spring material.
  17. plasgears

    How do you handle or prevent health issues?

    Victor Herbert, popular composer of operettas of the early 1900's, composed while standing up. It was the opposite of reclining or sitting, which is conducive to sleep. The heart rate was probalby higher than when sitting.
  18. plasgears

    Material & Concept thoughts on this simple spring Mechanism

    Give it a KISS and combine everything into one part made of Nylon, e.g. Prototyping can be modest in cost and flexible for modifications. Consultation with a mfr can yield some ideas.
  19. plasgears

    Where to get pliers manufactured

    Don't even think about going to China. I am beginning to detect arrogance and disrespect when dealing with the Chinese. There are 'korean' agents floating around looking to buy out companies. The buy out offer is a ploy to pick your brains and proceed without you.
  20. plasgears

    how tight is too tight?

    My earliest engineering work had to do with justifying small mfg defects to the customer. These were rocket cases with small weld offsets in the skirts. My analysis showed acceptability, but the customer wanted to run a test. They set up an axial test at Huntsville, which passed without undue...

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