The Engine on S.V. Sapien
is the Westerbeke, Universal-40

(Forward)

(Aft)

... and yes, (although it is a powerhouse for such a small boat) we do consider it an auxiliary power system.

We also now have a little electric trolling motor for our new inflatable dinghy. I love quietly moving up into the shallows near an anchorage, not stinking the place up or drowning out the noises already happening...