motor for autohelm/raymarine autopilot - SailNet Community

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Go Back   SailNet Community > On Board > Gear & Maintenance > Electronics
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  #1  
Old 06-18-2010
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motor for autohelm/raymarine autopilot

I am in need of a drive motor for my autohelm st-4000 autopilot. I understand that the same motor fits most of the autohelm and raymarine units.

Does anyone have a spare or used unit they can sell to me?

Thanks, John
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Old 06-18-2010
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Is this the small 12 VDC gear drive motor that is in the wheel drive that you're looking for??
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Yes, it is. It is about 1 3/8" in diameter and 2 1/4" long without the connector assembly. It has about a 20 tooth gear on the shaft that is about 1/2" in dia.

John
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Unfortunately, I am quite familiar with the motor in question, and I just replaced on a recent delivery trip I did.

The only problem is that none of the vendors, other than Raymarine, seem to have the motor with the gear. All the OEM vendors I've seen the motor from have the motor with only a plain shaft.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

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Old 06-18-2010
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John,
,
I have one. Let me find it and make sure it works. Will send a PM.
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Old 06-21-2010
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Dan, Thanks and will reply to you PM - John
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Autohelm 3000 drive unit

Hi all,

Does anybody know whether one can rewire analog
Autohelm 3000 drive unit (round brain) to a later digital model of
Autohelm 3000 (square brain).
The older unit has 4 wires coming to it and the newer unit has 2
incoming wires.

Would appreciate any information from any brain.

Alexei
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