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Replacement Parts

Echomaster replacement parts may be

obtained from your dealer or Davis

Instruments.

Echomaster 152,
Standard

#R152F

Corner Latches and Rivets (3 each)

#R155E

Radar Reflector Booklet

Echomaster Maintenance

If any reflector plates should become

bent, flatten them as well as possible in

order to obtain the high reflective per-

formance for which the Echomaster

has been designed.

The plates should be washed free of

salt water occasionally.

WARNING: No matter what method

was employed to mount the

Echomaster, it is the responsibility of

the user to make periodic inspections

of lines and fittings to insure that no

condition is developing which could

lead to mounting failure and possible

injury.

Davis Instruments wishes you many

years of happy and safe boating with

your advanced design Echomaster

Radar Reflector.

3465 Diablo Ave., Hayward, CA 94545 U.S.A.

Phone (510) 732-9229 • Fax (510) 732-9188

[email protected]  

www.davisnet.com

00155.010, Rev. G    

January 2009

© 

Copyright 200

9

  Davis Instruments Corporation

Also Available from Davis:

Excellent as a back-up aboard larger vessels or

primary reflector on smaller boats that might not

normally carry a radar reflector. Made of plastic-

metal foil laminate. Opens in seconds and is

very lightweight. Performs almost as well as

Echomaster (see performance diagrams on

page 4). 11.5" (29 cm) in diameter. Stows flat.

Economical enough for any boat.

Recommended “best buy” by 

Practical Sailor.

#151

Summary of Contents for ECHOMASTER RADAR REFLECTOR

Page 1: ...Features Installation Design Principles R155E 1 00 Echomaster User s Manual 00155 010 Rev G January 2009 Total pages 16 Trim to 5 5 x 8 5 Black ink only Page 1 front cover...

Page 2: ...sea clutter do not possess enough reflective qualities to make the boat highly visible to radar And container vessels and tankers require long stopping time and wide turning radius Ensuring the detec...

Page 3: ...orns propellers or the mighty bowwave from an onrushing skyscraper of steel Even if you did spot them or detect them on your radar which way would you turn Best to let them see you instead Furtherrnor...

Page 4: ...RGENCY RADAR REFLECTOR 151 MOBRI RADAR REFLECTOR FIRDELL BLIPPER RADAR FLAG Admiralty surface weapons test England 4 How a Ship s Radar Sees Your Boat The radar of a ship making a complete circle arou...

Page 5: ...e and hang from holes drilled in corner latches 157 Surface Mount System can be purchased separately 153 Deluxe Hanging Echomaster Anodized aluminum plates Comes with hanging mount system to suspend u...

Page 6: ...s that vary from the axis of symmetry by 20 or more Figure 1 Figure 2 The Echomaster radar reflector an octahedral cluster of eight pockets uses the principle of the axis of symmetry to full advantage...

Page 7: ...Curved surfaces will reflect much less and the effectiveness deteriorates as the curve becomes more acute A slanted surface will reflect much less due to reflection of most of the signal in a directio...

Page 8: ...eflective surfaces the effective radar cross section referred to as m This value m is useful in stating a figure of merit for the per formance of radar reflectors A reflector s performance the amount...

Page 9: ...reflector dimensions For practical purposes however doubling the size of the radar reflector will not usu ally double the detection Alignment of reflector plates An essential design feature of any ref...

Page 10: ...on Values in the table are approximate reliable detection ranges for common radar reflectors seldom equal the radar horizon distances indicated above If you have a radar installation on your boat it m...

Page 11: ...o a mast structure Suspended by halyard or harness The orientation shown is the perfect catch rain position Rigid mounting on a mast struc ture using pipe fittings The 157 Surface Mount System could a...

Page 12: ...support lines to a downhaul halyard Suspend the reflector vertical ly as high as possible Mounting Echomaster 152 The standard Echomaster 152 does not include a mounting system The best way to instal...

Page 13: ...p position Assemble one flat washer and one mounting block onto a harness wire as shown below Push the wire up through the center hole of the radar reflector Step 2 Assemble the other mounting block a...

Page 14: ...in 10 25 cm of the spreader Many other solutions are equally satisfactory however to minimize wear and chafing on the suspension lines we recommend the system shown here Although rotation and bouncing...

Page 15: ...m The Davis 157 allows permanent installation of an Echomaster reflector on a hard surface or a railing up to 1 25 32 mm in diameter Fasteners are not included 11 2 U bolts required for rail fastening...

Page 16: ...e that no condition is developing which could lead to mounting failure and possible injury Davis Instruments wishes you many years of happy and safe boating with your advanced design Echomaster Radar...

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