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Old 02-11-2015, 05:29   #31
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Location: still in a roll of fiberglass around Cape Town
Boat: Leopard 40 (new model)
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Re: First boat - a beneteau 311?

Quote:
Originally Posted by RigelKent View Post
Can anyone explain how the rudder sensors were installed on 311 (single rudder) for the wheel pilot controller? My Raymarine vendor claimed it was impossible as there is no room on the quadrant (above the deck), and the rudder shaft is enclosed and not accessible below deck. Thanks.
Have you taken out the deck plate to see what is below?

See attached drawings from Beneteau. They are for the 323, but I suspect
If you have any doubt, ask Beneteau USA politely and they will send you the relevant drawings.

The heading sensor goes in the same place regardless of type of drive (linear or wheel).

It has been said that with the newer "G" pilots you do not NEED rudder sensor, but the "brainīs logic will still benefit from having one.
Attached Files
File Type: pdf B323 AUTO.pdf (74.0 KB, 24 views)
File Type: pdf AUTOPILOT Raymarine + LS32- 323 lr PART 1.pdf (347.6 KB, 26 views)
File Type: pdf AUTOPILOT Raymarine + LS32- 323 lr PART 2.pdf (363.7 KB, 18 views)
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Old 02-11-2015, 06:47   #32
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Boat: Beneteau Oceanis 311
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Re: First boat - a beneteau 311?

Thanks for the PDFs. Under the deck plate, the 'well' for the quadrant (for the 311 single rudder) is much shallower than the fairly deep well under the deck plate for the 323. There is not enough vertical clearance to mount the rudder angle sensor in the 311. (Maybe someone has a more compact rudder sensor design?)

The ram wouldn't fit through the well wall either. That's why I decided on the wheel pilot instead of the linear pilot.

Without the rudder sensor, my wheel pilot goes out of calibration - sometimes it will stay calibrated for half an hour or more. Sometimes it becomes uncalibrated within a couple of minutes depending on the wind/wave conditions.

I put it in (new) about three years ago. Has the newer gray plastic cover on the wheel pilot mechanism. For me, it is still better than nothing for solo sailing as it gives me time with both hands to do other things or go briefly into the cabin. Would be much more useful, by a lot, with a compatible rudder sensor.
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Old 02-11-2015, 07:20   #33
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Boat: Beneteau 311. 32 ft
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Re: RK rudder sensor

I think there must be some other problem Rigel. As far as I understand there is no need for a rudder sensor on the electrical (wheel drive) auto pilot. Mine works very well without any of the calibration problems you report.
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Old 02-11-2015, 07:21   #34
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Re: First boat - a beneteau 311?

Quote:
Originally Posted by RigelKent View Post
Thanks for the PDFs. Under the deck plate, the 'well' for the quadrant (for the 311 single rudder) is much shallower than the fairly deep well under the deck plate for the 323. There is not enough vertical clearance to mount the rudder angle sensor in the 311. (Maybe someone has a more compact rudder sensor design?)

The ram wouldn't fit through the well wall either. That's why I decided on the wheel pilot instead of the linear pilot.

Without the rudder sensor, my wheel pilot goes out of calibration - sometimes it will stay calibrated for half an hour or more. Sometimes it becomes uncalibrated within a couple of minutes depending on the wind/wave conditions.

I put it in (new) about three years ago. Has the newer gray plastic cover on the wheel pilot mechanism. For me, it is still better than nothing for solo sailing as it gives me time with both hands to do other things or go briefly into the cabin. Would be much more useful, by a lot, with a compatible rudder sensor.
Thanks for the info. Please clarify if your course computer is of the "G" series (as in having a builtin rate gyro, eg A1G, S2G, S3G, etc instead of S1, S2, S3)
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Old 02-11-2015, 07:25   #35
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Re: RK rudder sensor

Quote:
Originally Posted by Brighteyes View Post
I think there must be some other problem Rigel. As far as I understand there is no need for a rudder sensor on the electrical (wheel drive) auto pilot. Mine works very well without any of the calibration problems you report.
I agree that one of the new course computers with the "G" at the end of the model name will do fine without rudder sensor.
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Old 02-11-2015, 07:29   #36
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Boat: Beneteau 311. 32 ft
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Re: First boat - a beneteau 311?

More reading on the same subject here. Raymarine ST4000+ MkII Rudder Reference | SailboatOwners.com Forums
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