Yes, but again, why move the mirrors? 

---
James.
 
 

> -----Original Message-----
> From: piclist-bounces@mit.edu 
> [mailto:piclist-bounces@mit.edu] On Behalf Of Peter
> Sent: 2005 Sep 23, Fri 10:59
> To: Microcontroller discussion list - Public.
> Subject: RE: [OT] Vegetable oil in a diesel engine... Was: 
> [EE] ROHS ~ lead free soldering - reality strikes.
> 
> 
> On Thu, 22 Sep 2005, James Newtons Massmind wrote:
> 
> > Here is another idea: Put the mirrors on the ground. You 
> can prop them 
> > up with rocks if you want. Align them at night with a laser pointer 
> > and a target in the center. Hang the pointer on a string 
> from a tripod 
> > which is placed over each mirror like a plumb bob then move 
> the mirror 
> > until the beam hits the target. Next day, you have a small 
> copy of the 
> > sun tracking through the air over the mirror field.
> >
> > Then, put the engine and generator in the air on a post and 
> move them 
> > to match the focal point of the mirrors. Since there is no high 
> > pressure feed to run to the motor and no hot exhaust to run 
> out, the 
> > only thing that needs to follow them is a water hose going 
> in, and an electrical cable going out.
> > I would probably use two arms and a pole between them with 
> the motor / 
> > generator mounted in the middle.
> 
> http://www.answers.com/topic/heliostat
> 
> I don't know where Barstow is, but it says it's in 
> California. Here are two pdf documents that show what has 
> been realised:
> 
> http://www.iaec.gov.il/docs/IAEC11.pdf
> 
> This has an optical scheme that may be scaled for smaller 
> installations. 
> The focal point is on the ground.
> 
> http://www.docrenewableenergy.info/en_path-en%5Crenewable+ener
gy%2Fthermal+solar~id-10337~action-download~url-http:%2F%>
2F66.102.9.99%2Furl%3Fsa%3DU&start%3D138&q%3Dhttp:%2F%2Fwww.so
larpaces.org%2FEUREC-Position_Paper_STPP.pdf&e%3D747~title->
Solar+Thermal+Power+Plants
> 
> The Almeria plant also has Stirling motors mounted directly 
> at the focal point of parabolic mirrors (big ones).
> 
> Peter
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