Navigation Board - homemade

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vjb.knife

Contributor
Messages
99
Reaction score
92
Location
the Big Island of Hawaii
# of dives
5000 - ∞
I bought this UHMW board a few years back and finally got around to make the Nav Board. First I added a Brunton Compass and then a Oceanic depth gauge. So, a couple of weeks ago I got a Suunto Zoop Computer (I wanted something simple and reliable), and I will add it on next.

Navboard2BC-L.jpg


Nav%20Board-M.jpg
 
When I bought the board it was cut out with multiple strap slots. I bought the compass and depth gauge and primarily used a hole saw and a router to make the cut outs for them. I also needed to cover the back of the compass to protect it so I routered a circular slot to attach a cover made from a black PVC pipe cap and I drilled a drain hole in the back of the cap.

Navboard2back-L.jpg
 
hi Vince,
What was the original intent of the board? it wasn't originally sold as a nav board was it?
 
Wow! Nice work! I suspect your compass will do yeoman's work.

Here's one I made from a standard large slate and an old compass, trying to mimic the old Nav Board from the navigation specialty, that isn't sold any more. A little hand work with heavy translucent plastic on a screw, and I can plot multi leg courses, add current estimates, and come up with a vector to return to home.
IMG_20191021_202435.jpg
IMG_20191021_202518.jpg
 
Nice board! You just have to add ship log and sonar :)
without sonar it is not interesting :)

many manufacturers offer it...
even ours still continue old Soviet model of navigating device
upn_2006.JPG

This was used for underwater sport competitions for Navigation in Soviet times. And still produced.
In the middle you can see ship log.

Our DIY uderwater sport swimmers used water counters mechanism as base for log.
like this counter
7228-2681235.jpg

Open it, throw out the magnet and put there spinner. Inner mechanism from such counters should be made from plastic, and rust proof :)
 
yes, sonar... why not?
nimrod-underwater-vtOI.jpg

yes, little bit expensive... but anyway cheaper than Boeing 787 Dremliner! (check links under blue letters above, in previous my message :) )

Ours УПН Компасы магнитные should be neutral underwater.
upn_34.jpg

it should have two floaters on the sides. (I never hold it in hands)
But when I was a child, I`v been visited some competitions with my father.

some pictures of such competitions you can find here Подводное ориентирование – Дайвинг клуб "Октопус"
most sportsmans use selfmade navigation systems, combined with tank, like
%20%D1%83%D0%BF%D1%80%D0%B0%D0%B6%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F%20%D0%9A%D0%B0%D1%80%D1%82%D0%B0.png


modern Russian navigation device looks like
prod-98-KIPZ_pr25.jpg
 
https://www.shearwater.com/products/swift/

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