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Hydraulic controller and LS drive unit
#1
Hello,

I have a Raymarine autopilot system I believe from 2003 with S3 course computer and Lecomble & Schmitt hydraulic drive unit (Linear drive ST 40 DE BP 12 v + Power pack RV2 ST 12 V) fitted to a quadrant on First 40.7. Now it looks like that when I managed to blow a fuse while doing rewirings to Seatalk systems, I may have caused permanent damage to the course computer. So I would like to replace it with Tinypilot setup.  It seems that the drive unit cannot be run with pypilot motor controller but would the hydraulic controller work? LS recommends 25A fuse for this power pack on a 12 V system while the hydraulic controller description says up to 20 A.

A link to the LS drive unit manuals:  [Power Packs and Linear Drives for Autopilots : Instruction Manuals, Catalogues - Lecomble & Schmitt](https://www.ls-france.com/en/instruction...atalogues/

EDIT:

In addition, there is a Raymarine rudder position sensor + clutch but I assume neither of these should be an issue

Best, Jani
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Hydraulic controller and LS drive unit - by Accablant - 2020-06-21, 09:08 PM

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