alt.energy.homepower

"Anthony Matonak" wrote in message
news:46b24df2$0$12192$4c368faf@ ...
> David Williams wrote:
>> -> This is not correct. The sun appears to follow an -> approximately
>> circular orbit around the polar axis. -> While this motion is not exactly
>> correct it is close -> enough for for most needs.
> ...
>> If any of you have any observations which would support his position or mine,
>> I am sure we would both be glad to hear of them.
>
> You can confirm it by simple experimentation.
>
> Make yourself a parabolic trough out of poster board, paste some
> foil or mylar (space blanket leap to mind) using spray adhesive
> and place something along the focal axis. The model need not be
> terribly large. I would probably go with something maybe a foot
> or so in each dimension.
>
> Place your model in the east-west orientation and tilted at the
> correct angle for your location and the time of year. If you're
> not sure about that then just set it up around noon and it should
> be close enough. Then observe it at various times in the day,
> especially morning and evening, and see how it works.
>

And then try it in "the land of the midnight sun"?

Bob