Update for 2006 Lesotho solar energy project

Peace Corps Online: Directory: Lesotho: Peace Corps Lesotho : The Peace Corps in Lesotho: 2006.07.14: July 14, 2006: Headlines: COS - Lesotho: Energy: Solar Energy: MIT Technology Review: Lesotho Peace Corps Volunteer Matthew Orosz learned that reflective parabolic troughs can bake bread : 2006.07.18: July 18, 2006: Headlines: COS - Lesotho: Engineering: Solar Power: future Pundit: Randall Parker raises questiions about Solar Power Generator : Update for 2006 Lesotho solar energy project

By Cal Brekke (adsl-75-62-177-56.dsl.pltn13.sbcglobal.net - on Tuesday, May 29, 2007 - 1:55 pm: Edit Post

If there are updates for your 2006 mid-year Lesotho Africa cogenerative solar thermal and electric power project, would you please advise how I might access same? I believe this project included innovative new uses for very economical automobile power steering pumps, alternators, etc. I've presumed that you used a refrigerant gas to power the rotating power steering pump. If this is the case, was the pump's normal rotation reversed for this new function? In normal automobile power steering use, I assume the pump's internal shaft bearings, etc., were lubricated via the circulating power steering fluid. Was this internal lubrication a problem when you substituted the (? non-lubricating?) refrigerant gas? What is the refrigerant gas you chose? Did this refrigerant gas go through vapor / liquid phase changes just as it does when used normally in a refrigerator / freezer application? What was a typical delta P (pump inlet vs discharge)? If this was a 2-phase use of the gas, what was a typical delta T used for the phase changes? I am very interested because I was issued expired US Patents 4,270,521 & 4,438,758. Please reply. Thank you, Carroll (Cal) Brekke

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