When is it time to replace your autopilot? - Page 3 - SailNet Community
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post #21 of 51 Old 10-08-2007
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The time to change it out is; When you can no longer trust it!!
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post #22 of 51 Old 10-08-2007
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Quote:
Originally Posted by TrueBlue View Post
I've got Autohelm ST6000 as well and for the past 4 seasons, have been very pleased with the performance. It was installed by the PO in '97 for 2-station hydraulic steering - would this make a difference?
Our's is a Raymarine ST6000+
Very happy with it, (Although we did have to send it in for repair last year; support from Raymarine was great.) we have had it track 85 miles while sailing on one leg and never got more than a .03NM XTE. Works very nice when communicating with the Raymarine Chertplotter.

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If a man is to be obsessed by something, I suppose a boat is as good as anything, perhaps a bit better than most - E.B. White
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post #23 of 51 Old 10-08-2007 Thread Starter
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Boasun,
I think you're right. I don't trust it so it's time to save my pennies and replace it. Will probably be a lot of pennies.
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post #24 of 51 Old 10-16-2007
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I would first work through the system to eliminate all play, as you're describing how our simpler tiller pilot worked when the mounting bracket got a little loose. A very small amount of play will keep the autopilot from "catching up".
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post #25 of 51 Old 10-16-2007
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Have you considered contacting Raymarine about your problem?
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post #26 of 51 Old 10-16-2007
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I've been looking for a Tillerpilot for Oh Joy. She displaces 16,000 so there's only one available for the job that I've found by Raymarine. The Simrad unit was discontinued.
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post #27 of 51 Old 10-16-2007 Thread Starter
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The drive is tight, I have checked that. Also I have not contacted Raymarine, I'm not sure they service Autohelm. I believe the unit is just tired from about 15 years of service and I don't want to put money into a dead horse. I'm strongly leaning towards the Simrad AP26. I just need to see what it will set me back installed. Thanks all for the help.
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post #28 of 51 Old 10-16-2007
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You really need to do your homework on this. Autohelm products were built by Raytheon, which became too large to handle the marine division, and Raymarine grew from that. I consider the linear drive far superior to the hydraulic drive and expect that your problems are in your controls, not the drive unit. Or perhaps your drive is undersized for your boat. This has nothing to do with the control unit.
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post #29 of 51 Old 10-16-2007 Thread Starter
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Sandy,
Thanks. I am aware of the history of Autohelm/Raymarine. I also think it is quite possible my unit is undersized for a 30,000 lb boat. That being said, I'm curious why you think a linear drive is superior to a hydraulic drive? I'm thinking it is the other way around.
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post #30 of 51 Old 10-16-2007
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Sandy...if linear screw drive is superior why do big boats all have hydraulic??
I blew through 2 linear drives and have had no problems with my hydraulic and that seems to be the opinion over at SSCA as well.
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