Author Topic: Side scan is opperational  (Read 2651 times)

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Offline rjscuba

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Side scan is opperational
« on: August 09, 2015, 11:20:24 AM »
Everything is working and I will post some pictures as soon as I get some. I tested in 132 ft of water with the fish running at 75 ft and 100 ft. I have 215 ft of cable all soldered sealed and one connection to the 999 unit. The cable is 7/16 dia with a rope of 3/8 dia this helps to  retrieve the fish since I'm using the Armstrong retrieval system. The cable is Cat 7 underground (purchased from Certicable) and is on the stiff side but seems to work well. I've attached a picture of my side scan and a picture of the cable. There are still some things I need to do but I might wait until this winter because I want to get it out on the water. My thanks to this group for the help.
Rick


Offline Rickard

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Re: Side scan is opperational
« Reply #1 on: August 09, 2015, 03:15:12 PM »
Hi Rick, your gear looks to be well built with a very robust towfish. I'm looking forward to see your results!

Regards,
Rickard

Offline abraquelebout

  • volunteer rescue diver, surfer, publicist
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Re: Side scan is opperational
« Reply #2 on: August 11, 2015, 02:09:58 PM »
and another towfish ;)
good job, post your pictures, it look heavy, there's a dive bottle ?

Offline Rüdiger

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Re: Side scan is opperational
« Reply #3 on: August 13, 2015, 03:57:46 AM »
Hi Rick

Your towfish looks very solid, look forward to first scans.

mvh
Rüdiger
Sorry
English is not my first language !
http://de.groups.yahoo.com/group/SOB-International/

Offline rjscuba

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Re: Side scan is opperational
« Reply #4 on: August 13, 2015, 12:10:16 PM »
I made the towfish out of an old air cylinder with a shaft and welded fins. I melted some lead in the nose. I wanted it heavy and strong. there is also 12 feet of chain before the rope and a break-away on the fish. Where I'm going to scan will have unknown structures and debris. With all the drag that the rope/cable will have I'll need the weight to keep her down.


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