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--- Anabasis  wrote:

> Out here the favorite among many is the now discontinued CelestComp
> IV, but the parts are becoming scarce, so I don't think they will be
> around too much longer here at sea.

I got my CelestiComp V on EBay - they aren't "cheap" (I paid $150 for
it), but they do pop up occasionally so they aren't impossible to find
these days.

> Besides, most people are now using the bridge computer with
> navigation programs now.

I'd have to agree with that based on convenience, speed, ease of use,
etc. (not to mention the graphic solution that a plain numerical
calculator can't provide).

And on a large ship like that (with the bridge 100-some feet off the
water) electronic gear like computers isn't likely to get a saltwater
soaking like it might on a yacht (all the more reason to keep the
manual celnav skills sharp).

--
GregR




--- Anabasis  wrote:

>
> Does anyone on the list use navigation calculators?  If so, which
> model?
>
> I use this one:
>
> http://www.xnumber.com/xnumber/photo_tamaya_nc2.htm
>
> It's nearly as old as I am and has no built-in Almanac like the NC-77
> does.  It does Celestial triangles, trig functions, and sailings.  I
> use it daily at sea to check speed made good on the hour.  I have
> also
> used it to reduce sights (like a portable HO 229 etc).  I was given
> it
> a few years ago by a retired Naval Captain who used it on his
> sailboat
> in the 1970's.  I do like how I can see it "think" for every
> calculation.  A sailing takes a number of seconds, and the navigation
> triangles even longer.
>
> Out here the favorite among many is the now discontinued CelestComp
> IV, but the parts are becoming scarce, so I don't think they will be
> around too much longer here at sea.  Besides, most people are now
> using the bridge computer with navigation programs now.
>
> Jeremy
> >
>


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