#1705
Universal Masthead Mount
INSTRUCTIONS
The Davis Universal Masthead mount helps sailors gain space aloft and improve mounting
position of wind finders and other equipment. The mount adapts to virtually every masthead
situation; includes all necessary hardware to attach securely to flat, curved, vertical, horizon-
tal, or inclined surfaces. Some typical uses:
Extending a wind indicator aft of
the mast for better visibility.
Mounting a wind indicator clear of
VHF antennas, lights, or other
installations.
Mounting other accessories such
as wind velocity sensors away
from mast turbulence.
MOUNTING INSTRUCTIONS
Use one of the standard mounting configurations
shown below, or design your own. This fixture is
extremely versatile and can be made to fit almost
any application. The boom is 13" (33 cm) long; it can
be shortened if necessary (instructions given below).
The Universal Masthead Mount weighs 3.2 ounces
(90 g). Can be used with Windex Light #3200.
Top of mast, level mounting surface:
Recommended drill hole size for
mounting screws
Material Thickness Hole Size
Wood all thicknesses 11/64" or 4.4 mm
Aluminum under 1/8" (3.2 mm) 5/32" or 4.0 mm
Aluminum over 1/8" (3.2 mm) 11/64" or 4.4 mm
Top of mast, inclined surface (up to ~20°):
Side of mast, boom projecting fore
and aft:
Side or front of mast,
boom facing out:
Close mount on side or front
of mast (without boom):
3465 Diablo Ave., Hayward, CA 94545 U.S.A.
Phone (510) 732-9229 • Fax (510) 732-9188
inf[email protected] www.davisnet.com
1705_Ins.pdf June 2008
Wind indicator attachment to boom
(Windex 15, Spar-Fly, Telo-Cat and others):
Wind indicator attachment to boom
(Windex 10.Sport, Windex 15 with J-Base):
HOW TO SHORTEN BOOM:
1. Cut to new length and debur.
2. Insert flexible space tube into cut end.
3. Flatten end in vise as shown, being careful that
flat surface is parallel to existing hole.
4. Drill appropriate sized hole in flattened end to
fit your device.
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DAVIS 1705 Owner's manual
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