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The instructions suggest an above water discharge/outlet, (and yet still require a vented loop/anti syphon device on the discharge hose) Has anyone tried one of these pumps with the outlet below water level. Can you see a reason why it wouldn't t work?

Leave port without a plan and stick to it!

I suggest a penetrating oil, lots of different "brews available" on the thread. Heat gun won't hurt as you're going to replace the packing anyway, don't make it "stupid hot" though. Then; 2 hammers roughly equal weight and gently but with purpose, tap with both (of the hammers) on the stuck...

Looks like a heavy "single use" plastic system. Does it really need to be double wrapped? a clever modification would be to make the inner liner the only throw away.

IMHO these 8 posts cover absolutely every detail of pre purchase processes, succinctly and comprehensively. Pull the major points out of these posts, write them down in a list, then get on the boat and work your way through the points. Look (closely) Listen Feel (poke/tap) Smell the boat. You...

IMHO if the boat is rare or highly desirable (eg; The only one made OR Hull number 1 of a really good model) then buy it, and be prepared to fix it up because you really wanted that boat, otherwise walk away. 1. The problems will be much greater than you think they are. 2. There is always...

not paranoid, but looking to reduce potential serious problems. I have lpg at the moment, but looking to change to a Wallas Diesel stove, and microwave. I reckon if the owner had been onboard, he wouldn't be very well right now!

I'm not sure if the OP has stayed interested in a Mainship 390? To finish the story about "the boat next door" The boat is a 2004 model 390. The boat in the bay next to mine has several very significant and problematic issues. The glass work around the rudder bearing area externally is full of...

Correction (sorry) the diesel stove brand is Wallas.

What about a diesel cooktop or oven or both? Less moisture. Wallis is one brand I'm aware of. Made in Finland exquisite quality. Quick true story: Experienced seaman (International seaman of the year twice, Roger Wallis) Year 2020 he covered 44000 sea miles incl the northwest passage He...

Further info re M390. Observations of the boat being serviced next to mine in our local shipyard. The boat yard staff changing the seacocks and skin fittings are very critical about the access to the fittings. Changing some has required cutting into furniture to access them. A potential...

An observation. Mainship 390 out of the water in a cradle (next to my boat) today. Lots of underwater angles and curves. Reverse hard chine. Bustle with a pronounced curve downwards and inbuilt trim tabs in the underside. Bulbous belly. Small thruster tunnel. Notable down angle on the prop...

I reckon the Hynautic system is one step better than push/pull cables, while still largely mechanical. Good feel, smooth operation and variable leverage and throw options. Fully electronic, hmmmm, why? One thing that MUST work every time is the engine control system. I have been onboard others...

Hello Jeff Charge rate is a valuable question. Depends on distances moved each day/engine run time vs other battery inputs, in my case solar. Here in Australian latitudes, solar seems to be a reasonable option. Serpentine belt driving OEM 65amp alternator. In the first instance my plan is to...

Quote from Simi "Just realised the OP made no mention of big bank or 24v so that could be the difference Large frame 24v with J180 mount alts are silly money here." Current configuration: 1000CCA sealed L/A start 660AH 12V AGM house bank 600w solar No genset. 65Amp OEM alternator on the JOHN...

Thankyou Neil What was your thought process in selecting a second alternator over the DC to DC charger path? ie a mechanical solution over the current crop of "clever charging devices" Many will say when asked this question "redundancy." I suspect a second alternator could be on board as a...

in addition: I don't like wasting peoples time and effort when with a bit of self help a question could have been answered by looking around this (or other) forums or picking up one of the many marine books. That was why I did'nt ask an open question. I think that style of question is...

Thankyou all. This relatively short sub forum has very quickly pulled together many options (with no angst or aggro). The alternatives suggested seem to have covered all the major options available. In our world here is Aus at the moment, parts availability is a key issue. Skilled labour in the...

Thankyou all for your valuable contributions. It would appear that there is not one absolutely ideal scenario. Space. Cost. Complexity. Availability of parts and knowledgeable assistance. Owner understanding and ideology all have an input into the decision.

My boat: Single JOHN DEERE 6.8 The question of charging potential is more a question about system balance, ie: need for power to run appliances being equaled by battery charging ability. My understanding is to not regard the alternators as "battery chargers" they are to handle loads imposed on...

Complexity or simplicity? 47' live aboard motorsailer. 4 x 175watt solar panels, no genset, AGM house batteries, sealed lead acid start. OEM 120 amp alternator with internal standard regulator. Question: Leave the OEM alternator to look after the start battery and thruster battery bank and add a...