[C320-list] Raymarine Autopilot

surprise thompson87.com surprise at thompson87.com
Sat Jun 3 04:59:14 PDT 2023


Interesting. When I made the change that was my initial preference but my installer told me the geometry didn’t work for that configuration. Perhaps a difference between the Mark 1 and 2 swim platforms?  Are you Mark 2?

> On Jun 2, 2023, at 8:56 PM, Greg Arnold via C320-list <c320-list at lists.catalina320.com> wrote:
> 
> I installed a below-deck drive, and have the old ST4000+ control head. 
> The display is a bit faded, but otherwise seems to work fine.  Let me
> know if you want it.
> 
> For my below-deck pilot, I went with the Raymarine Type 2 Long linear
> drive.  Looking at the Defender website, I see the price premium over
> the Type 1 is now close to $400 -- I could be misremembering, but I
> thought the premium used to be a lot less.
> 
> Anyway, the extra length of the Type 2L drive let me bolt it underneath
> the seat on the starboard swim platform, with the drive extending
> forward above the fuel tank to the tiller arm on the starboard side of
> the rudder shaft.
> 
> Advantages of this arrangement:
> 
>   The drive is attached to a very study fiberglass part of the boat
>   Don't need to fabricate any plates
>   Don't need to cut off the end of the tiller arm (at least for a
>   rudder that swings 35 degrees to each side, don't know about the
>   ones that swing to 55 degrees)
>   Longer tiller arm means you can retain the 55 degree rudder swing if
>   you have one of the boats with that feature
>   Can get full range of rudder movement while connecting the drive
>   toward the end of the tiller arm (9" out on the arm, beyond that
>   would need to remove some of the vertical ridge on the inboard edge
>   of the board above the fuel tank)
> 
> Greg Arnold
> 2005 C-320 #1054
> Santa Barbara Harbor, CA
> 
> 
> 
>> On 6/2/2023 12:48 PM, Paul Hetherington via C320-list wrote:
>> Sorry to step on the tread Ken, I don't have any experience direct drive
>> systems, other than a little research and some envy.
>> 
>> Fixing my autopilots 'hallucinations' is high on my lust list.  With my 2
>> younger kids and only mildly interested Admiral on board having a working
>> autopilot was a quality of life improvement for sure.  Until the
>> 'hard-a-port' episodes started.   Moved anything metal far from the gear
>> with no results.
>> 
>> At this point it seems I need another head unit to properly troubleshoot.
>> If anyone has an old Raymarine St4000 or similar (ST6000 and some others
>> compatible) in your discard pile let me know.
>> 
>> 
>> ----------------------------------------------------------------
>> Paul Hetherington
>> Hull #155, 1994 C320 Seasun
>> 
>> On Fri, Jun 2, 2023 at 12:13 PM Chris Burti via C320-list <
>> c320-list at lists.catalina320.com> wrote:
>> 
>>> When I did this Project on #867 I fabricated the backing plate out of a
>>> scrap piece of 1/8"  316 stainless using home shop tools and polished it
>>> myself. Definitely an easy  DIY project if you have a 4-1/2" angle grinder
>>> with a cut off disk.
>>> 
>>> Chris Burti
>>> Farmville, NC
>>> 
>>> 
>>> 
>>> On Fri, Jun 2, 2023 at 1:32 PM ptormey 4square.net via C320-list <
>>> c320-list at lists.catalina320.com> wrote:
>>> 
>>>> Jeff Hare has posted detailed info for that conversion and with his help,
>>>> I completed it on Blue Skies #1037 2 years ago. VERY happy with the
>>> result.
>>>> BUT The only thing I could re-use was the rudder angle indicator, and you
>>>> might not even have one of those.
>>>> 
>>>> The new Powerhead is NMEA 2000 which is great BUT you might have to
>>> update
>>>> you existing stuff too.  The kit is complete from Raymarine but there is
>>> a
>>>> little an annoying Edson Tiller Arm that was surprisingly expensive and
>>> had
>>>> to be cut to fit. AND the backing plate needs custom machining. Jeff has
>>>> posted a CAD file for that.
>>>> 
>>>> While I do like the look of a finished backing plate, If I'm doing it
>>>> again, I'd use aluminum for both pieces. You can only see it getting into
>>>> the bunk headfirst.
>>>> 
>>>> Pat
>>>> 
>>>> Pat Tormey
>>>> Blue Skies S/V
>>>> Newport RI
>>>> ________________________________
>>>> From: C320-list<c320-list-bounces at lists.catalina320.com>  on behalf of
>>>> Ken McCrimmon via C320-list<c320-list at lists.catalina320.com>
>>>> Sent: Friday, June 2, 2023 1:11 PM
>>>> To:c320-list at lists.catalina320.com  <c320-list at lists.catalina320.com>
>>>> Cc: Ken McCrimmon<kenmccrimmon at hotmail.com>
>>>> Subject: [C320-list] Raymarine Autopilot
>>>> 
>>>> Hi Everyone
>>>> I currently have a Raymarine Wheel Autopilot (EV100) installed on Kia
>>> Ora.
>>>> I am looking at having to replace the wheel section due to some
>>>> malfunction.
>>>> Instead, I was thinking about installing a direct drive system.  I am
>>> just
>>>> wondering if i can re-use any of the current components.
>>>> They are only a couple of years old.
>>>> 
>>>> Ken
>>>> 


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