I have never tried it but you maybe able to try the windlass on the hard by turning on the 'ignition' of the port engine' without starting it.
If you have a water tank leak or a leak into the water tank compartment, it will collect as a puddle at the aft end of the fwd berth shelf. A deck leak into that compartment could be:
- leak around deck filler
- deck filler to tank connection
- leak from anchor locker to tank compt, especially if the anchor locker drains are blocked. There is a transverse partial bullkhead just forward of the main fwd bulkhead so water can easily collect in the space between without being obvious.
If either the first or last then sea water can obviously penetrate and because of slope in bridgedeck collect at aft end of tank. The tank sits on strips of foam rubber about 1cm thick, so you do not need much of a pool for
salt water to sit in contact with tank and cause
corrosion. If there really is a leak from any cause, the veneer on the ply cover to the tank space will be water damaged its lowest point.
Condensation, on the other hand would collect at the dip in the shelf inboard of tank cover panel.
Never had a problem with the SD20 locking up, its difficult to see how it could do that. Maybe the cable has seized up. They are often difficult to select fwd or reverse without the engine running which I put down to the dog
clutch. Maybe the dog
clutch has not released so you are trying to turn the engine as well.
You could check if the
saildrive has water in it but it has separated out so not emulsified, by just undoing the drain
plug if its on the hard. The water should run out first as the
oil sits on top of the water. you only need a few cc for that.