Cant beat monel tanks the company used in the early 70’s. Aluminum tanks can have exfoliation corosion issues in a marine environment happens to the insides of aluminum aqualung divers tanks a lot
On Thu, Nov 15, 2018 at 2:54 PM Charlie Nelson via CnC-List < cnc-list@cnc-list.com> wrote: > My 24 yr old Alum tank came with the boat. On delivery from NC to CRW in > April 2018, tank developed several leaks at bottom forward edge where it > sat in some brackish water, probably for years. Crew made temp repairs > after tank removal with a black epoxy made for such repairs. All fine but I > considered I needed a new tank. > I Found a local welding shop whose specialty was custom alum cooking > grills (Grillmaster). They said they would build an exact copy, using > existing fittings, out of 1/8” alum for ~$400-450. Only requirement was > that I provide the old tank to them to duplicate both the shape and the > fitting placement and orientation. > About 6 weeks later, it was ready and except for being slightly heavier > (orig tank made in Canada with slightly thinner alum), it was a perfect > copy. > Cost $450 plus tax. > Tank will be someone else’s problem if this thicker tank lasts 22 yrs! > > Charlie Nelson > 1995 C&C 36XL/kcb > Water Phantom > > Sent from AOL Mobile Mail > Get the new AOL app: mail.mobile.aol.com > > On Thursday, November 15, 2018, robert via CnC-List <cnc-list@cnc-list.com> > wrote: > > > When I took my aluminum fuel tank out, I thought about replacing it with a > plastic tank. I could have bought a Moeller the exact size as mine from a > local company here, Stright Mackay, for 1/2 the cost of the rebuild I had > done to the old tank. While the new plastic tank was the same size as the > old one, it did not have the five (5) holes in it to accommodate the 5 > attachments or did not have the fittings that the plastic tank would > accept. Maybe some of the old fittings could have been used....the infill > connector, definitely not. And even if the new Moeller tank had fittings, > they probably would not be in the exact position on the top to accept the > hoses.....unless you are going to replace all the hoses....and there you > have another many hours of labor and costs. Now, here is where the big > question comes into play....since I am a DIY guy, where possible, do I go > to the extra effort to make the new plastic tank fit the 5 holes needed > (fuel infill, fuel line to engine, fuel return line to engine, vent, fuel > gauge) or pay more to have the old tank rebuilt. I opted to have the bottom > cut out of the old tank, a whole new bottom welded on and at the same time, > I had the machine shop cut approx 1 inch from the depth of the tank to make > getting back in through the lazarette easy.....getting it out because of > the fill hose nozzle was a problem. If the old bottom lasted 33 years > before leaking, the new tank bottom should see me out and become someone > elses problem some day. Rob Abbott AZURA C&C 32 - #227 Halifax, N.S. > _______________________________________________ Thanks everyone for > supporting this list with your contributions. Each and every one is greatly > appreciated. If you want to support the list - use PayPal to send > contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > -- Sent from Gmail Mobile
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