Transducer fairing block and beach mooring

 Good morning all.

My project boat (ie very slow rebuild) is moving along and im doing my research on transducers. Based on comments from JohnF Im leaning towards a B744 transducer in a high speed fairing block to give the best reading at speed. This kind of transducer will require me to use bunks on the trailer rather than rollers (just one more thing I need to change). But, Im wondering if by having this type of transducer will mean that I wont be able to tie up to a beach mooring at Rotto for fear of the transducer getting grounded.

Any thoughts?

 

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I did then the best that I knew how. When I knew better, I did better.


gruntre69's picture

Posts: 225

Date Joined: 15/10/16

 I'm currently considering

Fri, 2017-08-04 12:27

 I'm currently considering transducer options for an upgrade too. Mine is only 19 Ft so fairing block not an option for me and I'm also concerned about stern to shore beach mooring at various beaches too.

I'm swaying towards either flush mounted through hull like B175 or possibly Pocket mount like PM265 if I decide to go to a dual channel. The latter is a lot more work building the glass pocket into my keel  but it is probably the best solution.

I think whatever type of through hull is used, it needs to go very much aft in the bilge section of my boat so stern first beach mooring will always need to be carefully considered especially on rougher beaches.

 

bradz's picture

Posts: 560

Date Joined: 29/10/07

Hi Gruntre69

Fri, 2017-08-04 13:08

You have a Cruisecraft, dont you? If so, isnt there a very small but flat keel in yours? My current Haines Signature has that and that is where i installed a B164 1kw transducer. Brilliant performance in that location. They are really affected by beach launching and parking...but you would want to avoid rocks.

Tony (southcity104) did a very flash wet faced transducer install his CruiseCraft. Perhaps look that one up (link below)

http://fishwrecked.com/forum/cruise-craft-575-585-thru-hull-50b-9b-transducer-install

 

 
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I did then the best that I knew how. When I knew better, I did better.

gruntre69's picture

Posts: 225

Date Joined: 15/10/16

 Yep, I have the same boat

Mon, 2017-08-07 14:55

 Yep, I have the same boat and this is pretty much the install I will do. I had actually read that post before, thanks for reminding me of it. It is a perfect reference.

ranmar850's picture

Posts: 1336

Date Joined: 12/08/12

If you are worried about grounding a transom transducer

Fri, 2017-08-04 13:16

 www.whitworths.com.au/main_itemdetail.asp

 

If you want to transom mount, and need the ability to lift/remove when you have shallow water at the stern, these do the job well. I have a similar one on my boat-fitted specifically for the annual Ningaloo trip. Issues up there are grounding the stern when you are loading at the beach, tide is up a bit and surge is coming through. Also fouling of the endless mooring rope as the boat swings over it--Lowrance skimmer transducers can snap off if you end up with the boat moored to it.  Approaching the beach after a days fishing, crew just reaches over the stern, pulls out the spring-loaded pin, and slides the whole thing up and off, and drops it in the well. Going out, slide it back on as you leave the beach.  Also has the benefit of being able to adjust depth on the run--if mine is set on second hole from bottom, it runs much deeper than standard, without throwing up undue spray, and the picture on rough days is much better.

Works for me, YMMV.

Stevo81's picture

Posts: 893

Date Joined: 16/04/12

 I have a B744. It is mounted

Sun, 2017-08-06 14:46

 I have a B744. It is mounted up the hull a little from the keel so doesn't really hang below the keel. I've never had any issues in the beach pens at Rotto.

B744 is a really good 600w dual frequency tranny

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JohnF's picture

Posts: 2569

Date Joined: 07/07/10

i have 3 thru hulls with

Sun, 2017-08-06 14:55

i have 3 thru hulls with fairings (B744, GT51, B265) and beach anchor all the time at Rotto......Nike. 

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Boston Whaler 235 Conquest......getting the flogging it was built for.

JohnF's picture

Posts: 2569

Date Joined: 07/07/10

i have 3 thru hulls with

Sun, 2017-08-06 14:55

i have 3 thru hulls with fairings (B744, GT51, B265) and beach anchor all the time at Rotto......Nike. 

____________________________________________________________________________

Boston Whaler 235 Conquest......getting the flogging it was built for.

bradz's picture

Posts: 560

Date Joined: 29/10/07

Cheers

Mon, 2017-08-07 08:40

 Cheers for the comments guys. Looks like the way to go then.

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I did then the best that I knew how. When I knew better, I did better.