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Author Topic:   Transducer location on 190 Outrage/Nantucket
Perry posted 07-31-2008 11:35 PM ET (US)   Profile for Perry   Send Email to Perry  
I plan on installing a fishfinder on my 190 this weekend and was wondering if any one here has mounted a transducer on the transom of their 190 Nantucket/Outrage. If so do you have a picture of its location and wiring?

I see a nice location on a relatively flate surface before the first strake but it is only 13" from the prop and they recommend 15" minimum distance from the prop due to turbulance.

alfred posted 08-01-2008 06:00 AM ET (US)     Profile for alfred  Send Email to alfred     
Glad you asked Perry, I was going to ask the same question as the tub arrives here on Tuesday!

I have trim tabs to add as well and want to know where the folks are placing the tranny.

highanddry posted 08-01-2008 11:36 AM ET (US)     Profile for highanddry  Send Email to highanddry     
I installed ours to the left side on the most inboard strake to avoid hitting the trailer bunk and to leave room for future installation of a second transducer and trim tabs. Here is the picture.

Mine is complicated by the large size of the Humminbird side scan transducer. I used a 3/4 inch Starboard mounting plate I custom made. It is fairly large so that I can mount multiple transducers without drilling multiple holes in our boat. I have not ran the cable inside yet because I will do that when I do the final run for the trim tabs to again avoid drilling but one hole--one time.

highanddry posted 08-01-2008 11:44 AM ET (US)     Profile for highanddry  Send Email to highanddry     
I used only two screws to mount the Starboard (and to whom it may concern, if you want to provide the full legal trademarked product name, go right ahead, I am not going to) plate to the transom. I used 5200 on the back side around the two screws, one left and one right, and around the perimeter of the Starboard plate. Yes, you can remove the plate, remove the two screws, take a 2x4 lumber and with a heavy dead blow mallet and with the 2x4 resting on the top edge of the Starboard give it a good whack and it pop free. Ifyour only going to mount a single transducer then of course your Starboard plate can be smaller.

The plate is white, it is underwater, nobody notices it, works good and lasts a long time.

Perry posted 08-01-2008 12:52 PM ET (US)     Profile for Perry  Send Email to Perry     
highanddry, thanks for the reply and picture.

My Humminbird manual says to instal the transducer on the starboard side of the boat to aviod prop turbulance for right hand turning props. Is there a reason you put your transducer on the port side? Did your instruction manual not say the same thing as mine?

I was looking at the exact same spot on my transom but on the starboard side.

Do you have a good reading at planning speed? How fast can you go and still have a reading?

Thanks again....Perry

highanddry posted 08-01-2008 08:23 PM ET (US)     Profile for highanddry  Send Email to highanddry     
Which Humminbird do you have, mine is the 900 series side scan?

Yes, my manual said the same thing yours does. It works fine over there. I get bottom lock to about 35 MPH but the LARGE side scan transducers are known for not being solid at speed--on either side. The prop is so far behind the transducer even when trimmed in it is not going to cause a problem.

You know what, I don't buy into the idea the prop will cause interference on the left side--ho hum--no--not impressed.

We dive and I did not want the transducer getting hit by fins and knocked about since that is the side we re-enter on.

Perry posted 08-01-2008 10:24 PM ET (US)     Profile for Perry  Send Email to Perry     
Yea, I figured that the prop is pretty far behind the transducer and shouldn't be a problem on either side.

I may also put the transducer on the other side to aviod swimmers from bumping into it when climbing up the ladder.

Riverwhaler posted 08-04-2008 01:06 PM ET (US)     Profile for Riverwhaler  Send Email to Riverwhaler     
Perry refer to the tab installation reference and see where my transducer is. I haven't had anybody bump it using swim ladder. I had a Hummingbird but it did not produce reliable readings so added the Garmin transducer to the GPS and it works great.
Riverwhaler posted 08-04-2008 01:08 PM ET (US)     Profile for Riverwhaler  Send Email to Riverwhaler
Forgot link.
Perry posted 08-04-2008 01:45 PM ET (US)     Profile for Perry  Send Email to Perry     
Thanks Allan
highanddry posted 08-04-2008 02:43 PM ET (US)     Profile for highanddry  Send Email to highanddry     
The reason somebody might hit my transducer if on the rh side is because we dive and the center pole ladder allows to board with fins ON. The fins can strike the transducer. I als often mosy into the area between the platform and engine once my wife is aboard so that I can hand her my camera. It would be a bad place for us.

As to the Hmminbird, I will take loosing bottom above 30/35 in exchange for being able to see in picture detail the rocks, reefs and wreck we are about to dive.

Perry posted 08-05-2008 03:09 AM ET (US)     Profile for Perry  Send Email to Perry     
I put the Humminbird transducer just before the first strake and there seems to be no problem witht the prop turbulance. I get a depth reading up to 44 MPH.
alfred posted 08-05-2008 10:00 AM ET (US)     Profile for alfred  Send Email to alfred     
Perry - Any chance of a picture?
Perry posted 08-05-2008 12:59 PM ET (US)     Profile for Perry  Send Email to Perry     
Pictures soon
Feejer posted 08-05-2008 04:54 PM ET (US)     Profile for Feejer  Send Email to Feejer     
Do you guys get any rooster tail spray from the larger ducer?
alfred posted 08-05-2008 07:11 PM ET (US)     Profile for alfred  Send Email to alfred     
You tend to get a rooster tail only if the transducer is too deep. Have a big Airmar transducer for the Furuno on the 18 at the moment and no rooster tail.
Perry posted 08-05-2008 07:34 PM ET (US)     Profile for Perry  Send Email to Perry     
When I mounted mine to high, there was less rooster tail but I had interference from air bubbles. When mounted deeper, I got a much clearer reading but also had a big rooster tail. I then cut a small plastic water bottle and used the circular strip of plastic to wrap around the transducer mount, closing the gap in the bracket and secured it with 2 zip ties. It totally eliminated the rooster tail.
highanddry posted 08-05-2008 09:44 PM ET (US)     Profile for highanddry  Send Email to highanddry     
At least my Humminbird sidescan tranducer is meant to run under the water, the new version is smaller and I think easier to mount. Mine does throw some spray.
Sal A posted 08-06-2008 05:12 AM ET (US)     Profile for Sal A  Send Email to Sal A     

I really like your ladder.

Perry posted 08-07-2008 03:11 AM ET (US)     Profile for Perry  Send Email to Perry     
Here is a pic of my Humminbird Dual Beam transducer. I need to clean up some 5200 on it but you can see the plastic I secured tothe bracket to eliminate the rooster tail.

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