Here is a response from…
Chuck - Raymarine
- Moderator Offline
Joined: Oct 2014
RE: [CA11] What can I replace an S1 Pilot computer with?
Welcome to the Raymarine Forum Pete,
"An S1 autopilot
course computer may be replaced with any one of the following Raymarine autopilot
In a subsequent post that I can’t find, he added that the S3G is designed for larger boats with heavier demands and that going from a 2G to a 3G may increase longevity.
What he doesn’t say is if they are direct drop in replacements
or if work
arounds are necessary. I suspect the former but….
No mention was made of the physical dimensions of the 2 vs 3 and I just rebuilt the mounting area for the S2 non G which works but is nowhere as 'crisp' as the old S2G when it worked. I must be browsing with the wrong key words because I haven’t found the dimension data from Raymarine. Will continue to search.
reconditioned cost delta
is about $100 and as both are older, the desirability of a unit that doesn’t work
as hard sounds like a plus.