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Buzzman · 24-06-2020, 22:54

And epoxy is not so good for lining water tanks either. Google 'potable water tank linings and coatings' and see what you find.

DreamBig · 25-06-2020, 06:47

@ buzzman. Yeah, I was kinda thinking that. I was thinking based on weight, time, effort, money. It maybe better to fix and sell the aluminum tanks and buy 3 of these style

https://www.ntotank.com/26gallon-dur...hoCA04QAvD_BwE

My question is there any reason why I would want an aluminum or stainless over plastic, Do they fatigue and crack often?, slim up?

Cheers,

James

Buzzman · 25-06-2020, 22:49

If the ally tanks are custom fitted into your hull, I'd be inclined to refurbish them and, to counter the wife's concerns, coat the inside with an approved sealant.

The rotomoulded plastic ones linked are 'generic' shape and size. Roto moulding means you gotta make the steel mould first, then pour in the plastic in liquid or bead form then heat the rotating mould to form the tanks.The moulds are expensive to make so not a good process for one-off tanks, unless you get lucky and a 'generic size' exactly fits the space available.

DreamBig · 04-07-2020, 17:25

Looking for some advice around minute mark 4:00. Starboard ama station midship was cut out to have a larger whole for crawling access. Should this be replaced back to spec in the plans or is it ok as is?