Here's a link to nav light info on the West Marine web site.  It's got
pictures!
 http://tinyurl.com/5rz4o

----- Original Message ----- 
From: "William Emerson" <[EMAIL PROTECTED]>
To: "For and about Montgomery Sailboats"
<[EMAIL PROTECTED]>
Sent: Friday, December 10, 2004 9:24 AM
Subject: RE: M_Boats: Nav lights at top of mast


Some complain that the masthead lights are too far up to be seen easily
by other boaters: a light 70 feet off of the water may well be seen for
2 nm, but may not be seen from 20 feet.

-----Original Message-----
From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
com] On Behalf Of [EMAIL PROTECTED]
Sent: Friday, December 10, 2004 9:20 AM
To: [EMAIL PROTECTED]
Subject: Re: M_Boats: Nav lights at top of mast

Hi Rick,

The tricolor light is simplicity itself.

One exterior lamp housing with Fresnel lens divided into red, green and
white sectors.

The single bulb is located in the middle (a special bulb with a vertical
filament so that the optics work properly).

When the tricolor light is on, one bulb does it all, rather than having
three bulbs, one for each individual lamp.

For a sailboat it has another advantage.  The tricolor lamp is mounted
atop the mast, which give it maximum range and visibility when sailing
at
night.

Connie

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