Do you disagree with post #26?
Yes and no , a 10 HP anything is not going to give sterling performance to a 15-20 ton boat, even with a perfect engineered Hyd installation.
The boat with a larger engine that had poor performance could probably be there was installation , but ZERO engineering on the hyd system.
For minor power 2-3 HP for a short time , it is far simpler to stick in DC electric power for the thruster or windlass.
Once the power is 10+ hp electric would seem to be out of the picture.
Big buck folks could run 240 or 440V to a hyd power pack and it would work fine , but the expense would be huge , with the only advantage being easier to retrofit.
Hyd can NOT be stuck in willly nilly as another layer of electric wiring.
It must be engineered , and as with electric there are any number of OK systems.
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