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    Re: Doug Royer's Artificial Horizon
    From: George Huxtable
    Date: 2005 Feb 26, 00:27 +0000

    Doug wrote-
    
    The 2 liquid levels are
    >positioned close to the edge and positioned on the top surface of the A.H.
    >on  2 axis.I used a watery plexiglass adhesive to bond the levels to the
    >plexiglass surface.
    
    From George-
    
    A snag with bonding the levels in that way is that you are then unable to
    pick them up and turn them end-for-end (a test which inspires confidence).
    Another snag may be that for low altitudes the levels may get in the way of
    the light, unless the plate is rather large. And if the plate IS rather
    large, isn't it better to test with the level the part of the surface where
    the reflection is happening, not another patch near the edge?
    
    I would be interested to discover what accuracy listmembers have been able
    to achieve when using such solid levelled horizons.
    
    ================================================================
    contact George Huxtable by email at george---.u-net.com, by phone at
    01865 820222 (from outside UK, +44 1865 820222), or by mail at 1 Sandy
    Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.
    ================================================================
    
    
    

       
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