Jim
I added a small section to the same article to hopefully answer some
of your questions. I had no idea that it would be read by anyone
except a handful of Europa builders, but I am glad to help if needed.
http://www.sarangan.org/aviation/europa/wing/Wing-tip-Lights.pdf
On May 14, 9:48 am, "RST Engineering" <j...@[EMAIL PROTECTED]
> wrote:
> Andrew...
>
> I agree with your FAR references, Andrew, but in an article you wrote
> entitled "Europa Nav Lights Using Luxeon Leds", page 11, (undated) you
hav=
e
> two graphs. One is for theta =3D 0=B0 and one is for theta =3D 90=B0.
Bo=
th graphs
> are for alpha (x axis) versus candelas (y axis). You further define
cande=
la
> on the y axis as lumens/steradian.
>
> If you have a subsequent article that clarifies or extends the data in
thi=
s
> article I reference, I'd sure like to see it. The "Europa..." article
is
> the only one I could find.
>
> I'll be happy to ****t you the preprint articles for Kitplanes this year
> July, August, and September for your review and comment if you like.
The
> October, and final chapter, is a work in progress, but it only has
details=
> on the power supply and nothing on the light distribution.
>
> Jim
>
> --
> "It is the mark of an educated mind to be able to entertain a thought
> without accepting it."
> --Aristotle
>
> "Andrew Sarangan" <asaran...@[EMAIL PROTECTED]
> wrote in message
>
> news:4785ec47-9bbe-4f4a-b1a5-> FAR 23.1391 specifies theta (from dead
ahe=
ad
> in horizontal plane) and
>
> > 23.1393 specifies alpha (above or below horizontal plane). Therefore
> > the first table is for alpha=3D0. The second table is simply a scale
> > factor to figure out the alpha-distribution for each theta. This is
> > why the first table is given in Candles and the second table has no
> > units with the max value of 1.0. Basically, to figure out the minimum
> > intensity for a given theta and alpha, multiply the two numbers from
> > each table. One should be able to create a 3D plot from this.
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