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  1. DanCo9

    Machine/Structural Design

    If you haven't been using CAD software all your life, I recommend SolidWorks and Nastran. Stay away from traditional big money guys like ProE unless you are forced into it by peer useage. Your aspirin bill will be a lot less. I also recommend www.cati.com as support people. If nothing else...
  2. DanCo9

    O'ring face seal using Al material

    If you have time, go to dogpile.com, and search for 'rubber seals and o-rings'. Pretty much go down the list requesting engineering tips and catalogs. Most will have basic specs in their literature. As for specifically applying to your face seal problem, my experience is with high pressures...
  3. DanCo9

    Ultrasonic energy

    I would think the ultrasonic energy is going to be highly directional. An accelerometer is going to be sensitive only in directions you point it. I think you need something like a black body absorber which will convert the ultrasonic energy to heat. Measure the temperature change to measure...
  4. DanCo9

    Metalization of aerogel

    Thanks, I forwarded the site to my former employer. I am sure that he will appreciate it very much.
  5. DanCo9

    Sustainable Chemistry and Agriculture

    Have fun reading. Another fun one is www.dieoff.org for us pessimists. If a path to the better there be, it lies in taking a full look at the worst. Thomas Hardy What becomes of the surplus of human life? It is either, 1st. destroyed by infanticide, as among the Chinese and Lacedemonians; or...
  6. DanCo9

    Vibration Analysis

    A good post. I would like to add that if you are so inclined, seek out an understanding of ac electronics. You can learn most of it with a trig level of understanding, and most of the principles of vibration are the same. (harmonics, frequency domain to time domain conversions, the test...
  7. DanCo9

    Sustainable Chemistry and Agriculture

    I am not one for conspiracy theories, as I think that most government conspiracies usually are just the symptom of some bozo in a free money-for-nothing job trying to cover his own ass. However, if you are interested, you can go to www.infinite-energy.com and get the latest scoop on the new...
  8. DanCo9

    Sustainable Chemistry and Agriculture

    I didn't actually address the original question of what has been done in the last year. I would suggest that you go to www.countrysidemag.com , or do some searching for sustainable living/simple living groups. The progress to be made will not be in technology, except to step back and apply...
  9. DanCo9

    Sustainable Chemistry and Agriculture

    A good position. I have a 50 acre farm, my goal is to establish a sustainable system on it using a combination of animals, tree crops, and field crops, including pasture. (but first, I have to work to pay for it, no homestead act here anymore :-)) I have just read a book titled simply...
  10. DanCo9

    Infrared ranging sensor

    This message is for trowbridge. I faxed my email address to you a while back. Did you get it?
  11. DanCo9

    Spacecraft Design Standards

    It has been a while since anyone posted on this, but I want to put in a few cents worth about standardizing.  If you try to seek and use an existing standard, you will probably end up with less than you desire for economizing spaceflight.  The Arianne card cage packaging...
  12. DanCo9

    Infrared ranging sensor

    I faxed it this morning.  I hope it was clear.  If not, go to productdiscovery.com  (I hope this is o.k, Dave).  I will get a message left there.
  13. DanCo9

    Infrared ranging sensor

    How fast are the cylinder ends moving?  Is there something preventing you from directly measuring position via externally connected linkages with potentiometers?  How clean will the pistons remain?  (will reflectivity change over time?)  How accurate does...
  14. DanCo9

    Infrared ranging sensor

    I have done some custom analog infra-red stuff, can you explain more about your application, and maybe I can make some useful suggestions to you.
  15. DanCo9

    starting problem

    Does this tractor have a fuel pump in the tank to feed the injector pump?  If so, that pump could be the culprit.  Either by not pumping, or it may have a bad check valve which allows the fuel to drain back into the tank at night.  Once the fuel is pumped to the main pump during extended...
  16. DanCo9

    Agribusiness competition between the US and the EU

    Forgive the length, I talk too much on a tangent, but some thoughts influenced by Wendell Berry....<br><br>First, Agribusiness is an oxymoron.  Agri meaning 'land' and business meaning business.  Agriculture is life based on the care of the land.  Business has always been the exploitation of...
  17. DanCo9

    Q: Torque sensors

    Do you need to know individual wheel torques? If not, measuring axle housing position could give you general torque, or engine/transaxle position on front wheel drive. I have seen something similar on older helicopter engines. Kind of crude, but may be what you need? Pay heed to previous...
  18. DanCo9

    Spacecraft Design Standards

    From a standpoint of launching your own spacecraft, you may be concerned with only FAA rules and regs. Most of the military standards and specs apply, as MikeVV said, to the actual craft itself, while FAA rules apply to the pilot, and passenger safety, jurisdiction of Air Traffic Control, etc...
  19. DanCo9

    Metalization of aerogel

    I am looking for: 1) a supplier of aerogel materials commercially, and 2) any information about metalized aerogel materials, whether or not it has been done, etc. Also, whether or not conductive silica aerogel has been produced, and where to obtain it.

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