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post #12 of Old 04-20-2010
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Originally Posted by SeppSF View Post
I know. I have an Aristo. I had a life raft use case in mind. Really no electronics involved.

Here a picture of it:
Very nice. I use a Pickett ES-800:

Except mine has red numbers on the reverse scales and slightly different end pieces and indicator.

Do you know of any tricks to solve the navigational triangle with a slide rule? In particular in cases where the trig scales lose precision, like for sines near 90.

s/v Laelia - 1978 Pearson 365 ketch
s/v Essorant - 1972 Catalina 27
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