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Concerns about rust and corrosion

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Matt1 View Drop Down
Lieutenant
Lieutenant


Joined: 10 March 2019
Location: Hamble
Status: Offline
Points: 45
Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt1 Quote  Post ReplyReply Direct Link To This Post Posted: 05 September 2019 at 07:56
This is why I am completely paranoid about never allowing any seawater INSIDE the boat. In fact I've been described as OCD about it!  I always used to wash my previous boats Yanmar with car body shampoo every winter and then spray it with WD40. I once had to replace a leaky exhaust elbow and in the short time it leaked some rust set in which I cured with rust killer and Yanmar's expensive engine paint (which is really rather good btw). It's just a case of being vigilant and keeping on top of maintenance. I hate getting any seawater inside the boat!
Hanse 418 #64 EmBer. Hamble, UK
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Konstantin View Drop Down
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Joined: 24 August 2014
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Points: 218
Post Options Post Options   Thanks (0) Thanks(0)   Quote Konstantin Quote  Post ReplyReply Direct Link To This Post Posted: 05 September 2019 at 08:08
Hello Black Diamond, I totally agree with you - treating rusted metal correctly and re-painting it will make it as new again. How much time and cost you spend on correctly cleaning it and re-painting it is another question, and in many cases replacing is cheaper. Certainly not the case with generator stand but certainly is the case with hose clamps, damaged wheels on the engine, alternator housing and wires, control cables. Wires that soaked-up SW will start giving problems (like killing MDI in the wrong moment) due to bad contacts and increased resistance due to corrosion. Hanse does not treat wire ends with lead, they are open ends, they soak up SW. This small lower wheel on the engine will not fail fast but its corroded shaft will start eating away the seal and its working surface will start damaging the belt. Hose clamps will be hard to identify if they are structurally OK by looking at them and moving the screw up and down during regular inspection. Bolts on the gearbox and on the shaft will be very hard to unscrew. The rest is ok to clean and paint, and if that was my boat I'd probably do just that (except for the above). But why when you buy a boat, inherit these problems?
Is that OK to sail away with all of the above? Of course. Nothing will just crack open within a week. But in my opinion many damaged items here are either direct safety concern (hose clamps, wire) or will be expensive to maintain in the future (bolts on the gearbox, wheels on the engine) and if that is on the boat you are about to buy, I'd consider the necessity to change them.
SY "MARIA" 2013 Hanse "facelift" 445#205, sailing in Greece & Turkey
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Ggerrit View Drop Down
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Joined: 19 June 2016
Location: Monnickendam
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Points: 18
Post Options Post Options   Thanks (0) Thanks(0)   Quote Ggerrit Quote  Post ReplyReply Direct Link To This Post Posted: 05 September 2019 at 18:27


I would be more concerned about the extra wires......
H400 2008 2 cabin
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SVZara View Drop Down
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Joined: 04 November 2018
Location: Boston, MA
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Points: 22
Post Options Post Options   Thanks (0) Thanks(0)   Quote SVZara Quote  Post ReplyReply Direct Link To This Post Posted: 05 September 2019 at 19:13
Whats the issue with the wires?
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Wayne's World View Drop Down
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Joined: 18 July 2012
Location: Cruising
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Points: 616
Post Options Post Options   Thanks (0) Thanks(0)   Quote Wayne's World Quote  Post ReplyReply Direct Link To This Post Posted: 05 September 2019 at 19:29
I think these wires are the standard set for the red colored LED under the stairs. This is completely standard joined with the normal Waco joiners so the timber divider can be removed after disconnecting the LED wires. 
Wayne W
Cruising, currently in the Mediterranean but heading across the Atlantic early 2020
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