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    Re: Bubble sextants on e-bay
    From: Alexandre Eremenko
    Date: 2006 Dec 31, 20:45 -0500

    
    Bill,
    
    > Probably more than you are planning to spend,
    > but Celestaire has two types
    > of aircraft bubble sextants.
    
    Sure. Celestair catalog is my favorite reading:-)
    Their prices are 900, 750 and 650 for the items
    that are sold on e-bay for under 100 every week.
    
    I understand, of course that e-bay items are
    probably not working while Celestaire ones are not
    only working but also come with a warranty.
    
    There is one account on the Internet of the guy who
    fixed an e-bay bubble sextant, MkIXB, following the advises
    he received on this list (from Robert Eno). I wonder if
    he or anyone else on this list has any experience with e-bay
    bubble sextants, and can recommend what to look for.
    (What is easier to fix
    and what is more likely to be in working
    condition).
    
    > I suspect the downside of any bubble for you would be
    > the level of accuracy.
    
    Yes, I am aware of this. Apparently few minutes is the
    best one can hope for. For high accuracy I am looking
    for something else, separately.
    
    > If you can live with 3' to 5',
    > the cardboard sextant with bubble can be
    > lighted, and won't break the bank.
    
    Still I prefer a real thing, with metal and glass:-)
    (3' to 5' with a cardboard sextant seems very
    good, of course:-)
    
    Alex.
    
    
    
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