$40 navigation lights for a sailing dinghy! - SailNet Community

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  #1  
Old 07-19-2013
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$40 navigation lights for a sailing dinghy!

I had some great success with this so I thought I'd share! My goal was to create bright, efficient, and more importantly, inexpensive lighting for my sailing dinghy without dropping in a 12V lead acid battery for incandescent bulbs.

Here's what I used (besides tools):
  • Attwood 3121 navigation light: goo.gl/05pVw
  • Defiant 12 LED flashlight: goo.gl/GvZww
  • 3xAA battery pack with switch: goo.gl/F3xuW
  • Dorcy LED lantern: goo.gl/Wn2l9

Here's the LED flashlight I started with. Notice the LED pattern.
db.tt/r5sPs9cf

I cracked open the flashlight, de-soldered the LEDs, and mounted them sidways on their own solder pads. Then, I scraped off some solder mask and "doubled the thickness" of the LED stack. I wrapped two pieces of bare wire around a bottle cap and made ground rails to fit, then soldered them to the board.
db.tt/1hVqiD8d
db.tt/eiKilXkK
db.tt/5B8Eo6NQ

The LED driver was mounted to the LED board with a few stacks of double-sided foam tape.
db.tt/hs1rb0Lc
db.tt/6sveTqDL
db.tt/4Zfe6F28

For the light housing, I opened it up and removed all the fuse lamp junk, snipped and sanded the bottom flat, then attached the LED boards to it with a little tower of double-sided foam tape. I mounted it to the boat, drilled a small hole through the inside of the light housing and the boat, then ran the power wire down through it.
db.tt/G9mLjFPc

The wire soldered to the battery pack and coated with heatshrink, then attached to the boat with more double-sided tape. The switch is accessible, and the batteries are easily replaceable by removing the door from the pack.
db.tt/n8MSvYC0

For the anchor light, I simply ripped the handle off the Dorcy LED lantern and ran some rope through it. This gets tied to the end of the bow.
db.tt/GSwLlHcw
db.tt/XuiLGQgp
db.tt/Pm4Zuxzw

Hope this helps inspire you
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Old 07-19-2013
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Re: $40 navigation lights for a sailing dinghy!

Sounds useful. Welcome to SailNet!
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Old 07-19-2013
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Re: $40 navigation lights for a sailing dinghy!

Well.... if your the lazy type then......
Temporary Bow / Stern Light
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dinghy , el toro , led , lights , navigation

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