Alt-BEAM Archive
Message #07718
To: beam@sgiblab.sgi.com beam@sgiblab.sgi.com
From: Dan Larson dlarson@citilink.com
Date: Monday, November 15, 1999 5:29 PM
Subject: Re: BEAM Prism ??
>I'll have to get working on one, but now that I think of it,
>the angle between the sun and the wall spot would not remain
>constant. The sun moves but the wall doesn't, so I will have to
>have a mirror, also rotating, to reflect the beam exiting the
>prism toward a constant spot on the wall angle of the prism to
>track the sun. Might be tricky, geometry-wise that is....
>
>On Mon, 15 Nov 1999 14:43:06 -0800 (PST), Evan Dudzik wrote:
>
>>yeah... i am making a solar powered prism rotator for
>>a guy... although it is just a solar cell and a
>>gearmotor, it is kinda kool.
>>
>
>
>
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