Recent content by Josh111

  1. J

    Delta Transformers on Wye Distribution System

    Hopefully this has not already been asked. It would be hard to do a forum search with the right words to find it if it has been already. I am wondering if it is ever possible or common place to generate power in a Wye generation scheme and then connect it directly to a transformer with a...
  2. J

    How Much Power Loss Can We Expect from Space-Based Solar Farms?

    Understood that there is less energy loss in irradiance, but how much energy is lost in the entire process of transforming the energy from electrical to microwave, transmitting it, and then transforming it again. Isn't it much higher than that of a induction transformer we use today?
  3. J

    How Much Power Loss Can We Expect from Space-Based Solar Farms?

    I saw this article and wanted to see anyone is interested in discussing what percentage of power will be lost in transmission/transformation in a situation like this:Solar Plant in Space Gets Go-Aheadhttp://green.blogs.nytimes.com/2009/12/03/solar-plant-in-space-gets-go-ahead/?_r=1...
  4. J

    Is Engineering as Fulfilling as It Seems?

    You have to like what you do. Many engineers enjoy what they do. Don't go to engineering school just for the money. Regarding the "Have No Life" idea, I find I enjoy my work life, but find that when I am away from work, my interests are not the same as many other non-technical people I know...
  5. J

    Mars One to be unveiling the design of their martian habitats

    The Mars Society has been using some test cubicles for several years: http://www.marssociety.org/ On the humerus side, has anyone considered the possibility of wealthy people opening foreign bank accounts on Mars to avoid taxation?
  6. J

    Solar Mounting (Mechanical Design)

    I have managed installation of over 100 MW of utility scale ground mount PV. I am assuming here, that you are wanting to mount it on a roof, even though the images you have shown are for a ground mount system. This is because you had mentioned 6M high. There are many companies that make...
  7. J

    Chemicals With Chlorinated Solvents

    I am taking the OSHA 30 course as a requirement of a job and came across some information regarding the danger of welding on materials that have had chlorinated solvents applied. Being someone who manages industrial construction projects, but often doesn't supervise welding operations, I am not...
  8. J

    News Arizona Immigration Law: Examining the Debate

    Arizona Law - What makes one removable from the US? I have read this "controversial law" and have trouble finding any racist language in it. However, there is one thing I wondered about, Article 8 section E: E. A LAW ENFORCEMENT OFFICER, WITHOUT A WARRANT, MAY ARREST A PERSON IF THE...
  9. J

    News Virginia Speed Limit Increase: Potential Penalties & Call to Action

    Many people in the DC area do 60 anyway. Agree?
  10. J

    News Virginia Speed Limit Increase: Potential Penalties & Call to Action

    If you live around the Dc area, you will understand that regardless of whether or not you should be able to drive the speed limit in the left lane, it is still dangerous at many times because of other drivers!
  11. J

    News Virginia Speed Limit Increase: Potential Penalties & Call to Action

    To all who live or drive in Virginia: A bill passed to increase the speed limit in virginia on rural interstate highways to 70 MPH from 65 MPH. This in itself is not bad, however consider the following: In Virginia, driving 20 MPH or more above posted speed is reckless driving...
  12. J

    Diesel Stop Solenoids: Finding the Right Fit

    I am designing a stop system for a old diesel engine. The application I am using needs a pull type solenoid that can have a stroke of 9/16" - 1 1/2". it needs to have a return spring of at least 20 lbs. It needs to be continuous duty ( probably 2 coil).This will be used as a "engage to run"...
  13. J

    Time Delay Relay: What is a D-O-D Timer & Glow Plug Timer?

    So TDD would be what I am looking for?
  14. J

    Understanding the Tyco Electronics Multimode Relay MT (Schrack Division)

    I am currently looking at a Tyco Electronics Multimode Relay MT. (Schrack division). I am wondering what it means in the description when it mentions CO contact configuration.
  15. J

    Time Delay Relay: What is a D-O-D Timer & Glow Plug Timer?

    Is there a terminology for a relay that will be on for a set period of time when the power turns on and then shuts off until the power is turned off and back on?
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