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Recent content by hallb

  1. hallb

    Aircraft Propeller

    Airplanenut, We have already contacted Steve B. from Sensenich. He does not have much experience in composite props in this size range. We will use them as an alternate, we were looking for a company with experience in this size.
  2. hallb

    Aircraft Propeller

    Does anyone have experience with a manufacturer of composite propellers. There are multiple companies willing to make composite props, but have yet to find one that is interested in designing a custom propeller (eventual production rates could be well over 100 per year). The approximate size...
  3. hallb

    linear positioning sensing

    SK500, On the oval track, do you need just an angular location of each cart, or do you need the exact position (such as angle and radius from an arbitrary point). If you only need angular position, I agree with macgyvers2000. This information, as well as an approximate budget are important...
  4. hallb

    mounting of 3-cylinder engine

    Okeng, We have designed focused engine mounts by pointing our Barry mounts (Lord is another good source for engine mount information) axially toward the center of gravity of the engine. Most general aviation airplanes point the mounts towards the engine's center of gravity as well. Both...
  5. hallb

    Late Inlet Valve Closing

    I have just read a short (and poorly written from a technical standpoint) article on late inlet valve closing. My main question is, what is the advantage of having some intake charge flow back into the manifold? Does anybody have any experience with this technology? It supposedly been around...
  6. hallb

    Advanced Engineering Degree

    Has anyone taken any online engineering courses toward a Masters degree? I am looking for courses/degree in the automotive/engine field. I am on travel about half of the time, so an online degree is my only option. Any comments regarding online courses would be extremely helpful. Thanks.

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