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07-18-2019, 12:00 PM
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#1
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Senior Member
City: New Rochelle
Vessel Model: Mainship Trawler
Join Date: Aug 2015
Posts: 113
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rudder indicator
On my 2007 40 ft mainship trawler the rudder indicator works if i start the boat from the upper helm.It does not work if i start it from the lower helm. Anyone have this happen and if so what did you find was the problem? Tom
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07-18-2019, 12:25 PM
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#2
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TF Site Team
City: Westerly, RI
Vessel Name: N/A
Vessel Model: 1999 Mainship 350 Trawler
Join Date: Jan 2014
Posts: 4,162
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Where is the Rudder Indicator? Upper Helm? Follow the positive lead from the rudder indicator. I suspect it is wired into the ignition switch at the upper.
If so, set the ignition to RUN at the upper station after starting the engine on the lower and see if the rudder indicator starts working.
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07-18-2019, 01:46 PM
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#3
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Guru
City: Warwick RI
Vessel Name: Lollygag
Vessel Model: 34 Mainship Pilot Hardtop
Join Date: Aug 2016
Posts: 872
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If you have not done so already. Check the connection on the indicator it could be loose or have corrosion.
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07-18-2019, 02:40 PM
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#4
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Senior Member
City: New Rochelle
Vessel Model: Mainship Trawler
Join Date: Aug 2015
Posts: 113
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rudder sender
Does anyone know how to get a new rudder indicator for a 40 ft mainship 2007 trawler its light blue and attaches to the rudder with a adjustable arm.I tried loading picture but iu can't get it to load.
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07-18-2019, 04:45 PM
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#5
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Guru
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 5,482
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I'm sure it doesn't have to be that one.
EBay have plenty of similar ones that I am sure will do the same job but, how do you know its the rudder indicator at fault?
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07-18-2019, 06:52 PM
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#6
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Senior Member
City: New Rochelle
Vessel Model: Mainship Trawler
Join Date: Aug 2015
Posts: 113
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rudder indicator
The electrician said it's the problem
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07-18-2019, 09:07 PM
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#7
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Guru
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 5,482
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Quote:
Originally Posted by tomsboat
The electrician said it's the problem
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Seems odd that it works from one helm station but not the other.
Perhaps the electrician is the problem?
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07-18-2019, 09:08 PM
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#8
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Guru
City: Campbell River
Vessel Name: Okisollo
Join Date: Apr 2012
Posts: 783
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Maybe try a new electrician.
It turns on and indicates from one switch,
I don't think the problem is in the sensor,
it only has two wires.
Ted
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07-18-2019, 09:09 PM
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#9
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Guru
City: Campbell River
Vessel Name: Okisollo
Join Date: Apr 2012
Posts: 783
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Simi types faster than I do
Ted
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07-18-2019, 10:39 PM
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#10
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Guru
City: Boston
Vessel Name: Adelante
Vessel Model: IG 30
Join Date: Nov 2016
Posts: 1,611
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It might be available in UK. Several companies stock it but might not ship to US.
Reliance Marine - Rudder Indicator Sender - Dual Station
Any 12V, 0-180 ohm, dual station sender will work.
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07-20-2019, 07:32 PM
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#11
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Senior Member
City: New Rochelle
Vessel Model: Mainship Trawler
Join Date: Aug 2015
Posts: 113
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rudder sender
I think the electrician broke it by tighten the nut on the post to tight.I think once I get a new sender I will be right where I started.It's so hard to find good mechanics in this business they tend to replace parts until they find the one that works.I'm going thru the same thing with my AC unit.If you have good mechanics where you are appreciate them
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07-21-2019, 12:27 PM
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#12
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Guru
City: East Coast, Australia
Join Date: Jun 2012
Posts: 935
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Quote:
Originally Posted by tomsboat
I think the electrician broke it by tighten the nut on the post to tight.I think once I get a new sender I will be right where I started.It's so hard to find good mechanics in this business they tend to replace parts until they find the one that works.I'm going thru the same thing with my AC unit.If you have good mechanics where you are appreciate them
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Is your problem with gauges showing rudder position or with the sender unit itself ? Or did it start as a single gauge problem and then while trying to help, your electrician broke the sender? Do you have an autopilot ? If so the sender may need matching with that. Someone might comment on how interchangeable rudder position senders are with different pilots.
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07-22-2019, 07:50 AM
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#13
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Veteran Member
City: Sint Maarten DWI
Vessel Name: Au Naturel
Vessel Model: 2000 Mainship 390 Trawler
Join Date: May 2017
Posts: 69
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From what I can see in picture is that you have just 2 wires from the sender going to the gauges in parallel set up. Thus one gauge works (which means sender IS WORKING). I would check the wires going to the gauge not working, and especially the connections at the rear of the not working gauge.
Mine did not work due to 19 years of corrosion, so I replaced the entire set up. I installed a sender with connections for both the fly bridge and inside helm gauges. I posted my installation of new here on the TF.
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07-22-2019, 07:54 AM
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#14
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Veteran Member
City: Sint Maarten DWI
Vessel Name: Au Naturel
Vessel Model: 2000 Mainship 390 Trawler
Join Date: May 2017
Posts: 69
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Rudder indicator install
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08-14-2019, 10:00 AM
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#15
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Senior Member
City: New Rochelle
Vessel Model: Mainship Trawler
Join Date: Aug 2015
Posts: 113
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Rudder sender
I see a reply that said any sender of 12 volt 0 to 180 ohms will work .I can't get anything thru England I just want to make sure 12 volt 0 to 180 ohms will work can anyone confirm this for a 40 ft 2007 Mainship trawler. Thanks Tom
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08-30-2019, 08:39 PM
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#16
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Member
City: San Diego
Vessel Name: Classy Lady
Vessel Model: '75 CHB
Join Date: Oct 2017
Posts: 14
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You guys have larger vessels than me (34” CHB). Any thoughts on just using the gravity based Rulan-type indicator mounted to the boss of your wheel? Do they stay calibrated better than my yellow electrical tape marking what I think my center rudder position is....plus or minus a few revolutions?
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08-31-2019, 07:46 AM
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#17
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Guru
City: Southern Maine
Vessel Model: Prairie 36 Coastal Cruiser
Join Date: Dec 2012
Posts: 2,717
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Quote:
Originally Posted by DaveJasper
You guys have larger vessels than me (34” CHB). Any thoughts on just using the gravity based Rulan-type indicator mounted to the boss of your wheel? Do they stay calibrated better than my yellow electrical tape marking what I think my center rudder position is....plus or minus a few revolutions?
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If you have hydraulic steering, then there's no consistent correlation between the position of the wheel and the position of rudder. Especially if you have two stations, or an autopilot.
Then again, if you have an autopilot you probably already have a rudder position sensor, and it's just a matter of interfacing it with your primary display.
I never really used a rudder indicator with single screw boats, but with twins, where I'm often doing more complicated maneuvers with more variables in play, it really helps.
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08-31-2019, 10:50 AM
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#18
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Guru
City: Pender Harbour, BC
Vessel Name: Gwaii Haanas
Vessel Model: Custom Aluminum 52
Join Date: Sep 2013
Posts: 3,791
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If your bozo mechanic broke it is his problem. Let us know what he does for you?
__________________
Don't believe everything that you think.
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08-31-2019, 08:31 PM
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#19
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Guru
City: Full Time Cruising East Coast
Vessel Name: Meridian
Vessel Model: Krogen-42
Join Date: Aug 2011
Posts: 1,014
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On my sender 10-180 is for a single display and 10-90 is for a dual display
__________________
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Terry
Meridian
KK-42097
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08-31-2019, 08:50 PM
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#20
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Guru
City: St Augustine,Fl
Join Date: Sep 2009
Posts: 3,798
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I hate to run a single screw boat without a rudder angle indicator. Twin screw, not so much but its basic info that the helmsman needs.
__________________
Jack ...Chicken of the sea! Been offshore 3 miles once
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