[simpits-tech] Why Gene shouldn't do math.

[Roy Coates]

On Fri, 18 Jun 2010, Gene Buckle wrote:


gene, have you tried adding beer?


Today is my 50th birthday and I just got home from a surprise party a
good friend organised for me. Very cool, very touching, and I may be
pretty drunk too !   :^)

Math always looks better after a beer - honest !


>
> I suspect you've all seen my absurdly large screen by now.  If not,
> behold:
>
> http://www.simpits.org/geneb/wp-content/uploads/2010/06/six-segments-3.jpg
>
> That screen is six of the 8 segments needed to build a 180 degree screen
> that's right around 24' in diameter.
>
> The size of that thing has been bugging me ever since I built it.
>
> I started working through the figures again.  Yell if I screw it up
> (again):
>
> Each projector can display a 110" wide image.  Three of them would require
> a screen 330 inches wide.  Now I want to display this on a screen that
> covers a field of view that's 180 to 225 degrees.
>
> Now going on the assumtion that those 330 inches of screen would be pretty
> close to a circle that's 660 inches in circumference, right?  Right.
>
> So a circle that's 660 inches in circumference works out to a diameter of
> roughly 210 inches or 17.5 feet.
>
> I can honestly say that I have no farking clue where I came up with a
> screen diameter of 24 feet.  It must have been a math induced brain fever
> or something.
>
> Back to the drawing board I go....
>
> g.
>
>
> --
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>
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--

Roy Coates.

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Lord, If I must have an instrument failure, please let it be the Hobbs meter.
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