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Jan 23rd, 2013
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Transducer Help #12715380
04/13/18 07:30 PM
04/13/18 07:30 PM
Joined: Apr 2008
Posts: 10,351
Jack County
JavelinJ Offline OP
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JavelinJ  Offline OP
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Jack County
So, I have a hummingbird 998C SI. Everything looks good at idle and what not. But, at speed, I lose bottom.

Does anyone know the protocol for correcting that?


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Re: Transducer Help [Re: JavelinJ] #12715413
04/13/18 07:57 PM
04/13/18 07:57 PM
Joined: Jan 2015
Posts: 978
Bossier City, LA
B
bassmanrudy Offline
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bassmanrudy  Offline
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B

Joined: Jan 2015
Posts: 978
Bossier City, LA
I know on my boat(Tracker PT 190) I lose SI at speed. I run Lowrance Gen 2 7s. Heck I lose 2D on speed as well. I have it mounted low on the aft but not on the little underscooped part. I have been told if I move it down there it would maintain bottom contact better.

Last edited by bassmanrudy; 04/13/18 07:59 PM.

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Rudy
Re: Transducer Help [Re: JavelinJ] #12715414
04/13/18 07:58 PM
04/13/18 07:58 PM
Joined: Feb 2017
Posts: 235
E
ETXfisher91 Offline
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ETXfisher91  Offline
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E

Joined: Feb 2017
Posts: 235
i got the helix 9 and i lose it all except maps when i get on plane

Re: Transducer Help [Re: JavelinJ] #12715420
04/13/18 08:00 PM
04/13/18 08:00 PM
Joined: May 2003
Posts: 8,650
Prosper, TX
Chris B Offline
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Chris B  Offline
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Prosper, TX
Where's your transducer mounted?



I hate photobucket.
Re: Transducer Help [Re: JavelinJ] #12715424
04/13/18 08:03 PM
04/13/18 08:03 PM
Joined: Jan 2010
Posts: 3,432
North Richland Hills, TX
Fishinfellow Offline
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Fishinfellow  Offline
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North Richland Hills, TX
You have to have an in-hull ducer to keep an accurate bottom depth on pad.

Mounted to the Exterior, you won't read anything.


Thats my money fish

Kris Winhold
Re: Transducer Help [Re: JavelinJ] #12715432
04/13/18 08:12 PM
04/13/18 08:12 PM
Joined: Aug 2015
Posts: 2,680
Longview, Tx
P
Pintail711 Offline
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Pintail711  Offline
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Longview, Tx
Exactly what speed are you talking about?

Re: Transducer Help [Re: Fishinfellow] #12715442
04/13/18 08:16 PM
04/13/18 08:16 PM
Joined: Sep 2006
Posts: 7,984
NRH/Fork ! GET THE NET
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JIM SR. Offline
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NRH/Fork ! GET THE NET
Originally Posted By: Fishinfellow
You have to have an in-hull ducer to keep an accurate bottom depth on pad.

Mounted to the Exterior, you won't read anything.




Yes,..!! fish

Re: Transducer Help [Re: JavelinJ] #12715475
04/13/18 08:33 PM
04/13/18 08:33 PM
Joined: Jan 2018
Posts: 521
J
Jeff From Iowa Offline
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Jeff From Iowa  Offline
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Posts: 521
above 10 you need a high speed ducer... most call them thru hull as we glue them to the bottom inside

Last edited by Jeff From Iowa; 04/13/18 08:54 PM.

2017 Phoenix 920
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Re: Transducer Help [Re: Fishinfellow] #12715486
04/13/18 08:39 PM
04/13/18 08:39 PM
Joined: May 2003
Posts: 8,650
Prosper, TX
Chris B Offline
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Prosper, TX
Originally Posted By: Fishinfellow
You have to have an in-hull ducer to keep an accurate bottom depth on pad.

Mounted to the Exterior, you won't read anything.

Not true, I have my 2d transducer mounted externally and keep signal past 60mph.



I hate photobucket.
Re: Transducer Help [Re: Chris B] #12715563
04/13/18 09:29 PM
04/13/18 09:29 PM
Joined: Mar 2015
Posts: 3,980
Jack County
T
TCK73 Offline
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Jack County
Originally Posted By: Chris B
Originally Posted By: Fishinfellow
You have to have an in-hull ducer to keep an accurate bottom depth on pad.

Mounted to the Exterior, you won't read anything.

Not true, I have my 2d transducer mounted externally and keep signal past 60mph.


Yep, mine is the same way, no loss of bottom.

Re: Transducer Help [Re: JavelinJ] #12715606
04/13/18 10:00 PM
04/13/18 10:00 PM
Joined: Apr 2008
Posts: 10,351
Jack County
JavelinJ Offline OP
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JavelinJ  Offline OP
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Jack County
FYI - I never lost bottom on the other boat. So I know I have something not set up right. Just not sure exactly what yet.


Re: Transducer Help [Re: JavelinJ] #12715633
04/13/18 10:18 PM
04/13/18 10:18 PM
Joined: Apr 2008
Posts: 10,351
Jack County
JavelinJ Offline OP
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JavelinJ  Offline OP
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Jack County
Maybe it is too high?


Re: Transducer Help [Re: JavelinJ] #12715638
04/13/18 10:23 PM
04/13/18 10:23 PM
Joined: May 2002
Posts: 14,542
Hurst, TX
K.D. Offline
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Hurst, TX



Re: Transducer Help [Re: JavelinJ] #12715640
04/13/18 10:25 PM
04/13/18 10:25 PM
Joined: Jan 2003
Posts: 1,347
Lubbock, TX
S
squib Offline
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squib  Offline
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Lubbock, TX
That part of your boat isn’t in the water over about 20 mph. It needs to be shoot thru. Either that or lower it to bottom of the step next to drain hole. But you’ll likely knock it off down there. Glue it in the bilge. As low and center as you can get it. Right in front of the drain in best. I can read mine at 65 mph.

Re: Transducer Help [Re: K.D.] #12715650
04/13/18 10:30 PM
04/13/18 10:30 PM
Joined: Apr 2008
Posts: 10,351
Jack County
JavelinJ Offline OP
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Jack County
Originally Posted by K.D.




That's what i figured.


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