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Raymarine autopilot spx-5

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eric clubley View Drop Down
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Joined: 17 Apr 2011
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Post Options Post Options   Quote eric clubley Quote  Post ReplyReply Direct Link To This Post Topic: Raymarine autopilot spx-5
    Posted: 30 May 2013 at 12:21pm
Raymarine give a range of distances from the rudder stock for fitting the drive pin. The range is from 457mm (standard) to 356mm. I want to fit it a greater distance from the rudder stock; within reason I'm assuming this won't be a problem since it will provide more leverage.
Is there a maximum distance?

Farther from the rudder stock may constrict tiller movement of course

Of course I can ask Raymarine or their agents but it means sitting on the phone for 30 minutes

thanks

Eric
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Richard Ritchie View Drop Down
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Post Options Post Options   Quote Richard Ritchie Quote  Post ReplyReply Direct Link To This Post Posted: 30 May 2013 at 12:34pm
You also need to consider the height of the cockpit seat, to match pin height with the curve of the tiller. Or it will get tripped off the pin.
I do not think leverage is the issue: rather range.  With the Raymarine 4000 I have an occasional problem when overcanvassed  that it hits end stop, continues to churn and heat, then trips out as "low battery".  I have not found a way to adjust this end stop cut-off.    My experience is that you need lots of rudder travel, but leverage/power is not a problem.  It is a worm drive after all.
Richard Ritchie
Badger of Baltimore
IRL 120
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eric clubley View Drop Down
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Post Options Post Options   Quote eric clubley Quote  Post ReplyReply Direct Link To This Post Posted: 30 May 2013 at 1:01pm
Thanks Richard
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