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Another aspect of aluminum welding that should be 'bumped' up here is welding 5000 or 6000 series aluminum with 4043 or even 4943 alloy filler. the welds will 'stick' but when they are bent backwards/break bend tested.... 4043 shows itself to be very very weak overall. However, many welders prefer t...

I regularly use expensive "professional grade" welding systems for both MIG and TIG. So I don't see much of the lower amperage systems' products unless I discuss them with others who own or have access to those types of systems. This post is about some "facts of life" having to do with a small "spoo...

After some conversation about tanks' construction I thought I'd mention some links to some of the parts available online? I typically use aluminum pipe couplers, cut in half on the band saw as my tank wall weld in fittings. But... they're not for everyone! In the following links there are flange typ...

Yofish have a safe and relaxing trip to see your father-in-law and family! Of course I can't let it go! The Forum readers could use some follow up, and look forward to your return and a few posts before the season in the K.Bay opens up and you get busy enjoying the Lord's prettiest landscape anywher...

Forum readers who're reading Yofish's build thread might be interested in some detail notes about this thread and welded skiff metal boats in general. First and foremost is this skiff wasn't built off full gunwale-to-gunwale transverse frames OR with a set of station molds inverted on which to form ...

Yofish, I know the skipper was a giant, and stand up helms are a mutual design headache when you're accommodating the owner's height, I'm current working with a 6-5" or 6-6" owner but at least he's building his own boat! Given the 'well deck' in the house- domino effect to the bottom being hogged du...

Yofish, thanks for the added images as explanation of the tank install. The 'off-to-the-side' views answer the questions about install itself but one design question remains; why the sloped 'beds' for the tank? You could have put a horizontal piece in place of the knee or sloped piece of bent materi...

Yofish, some questions to clarify the software discussion a bit, and then some about the tank and install. In the software for NC cut path files you ended up with some radius or circlular curves that were defined by the software with many points- very close together to approximate a clean smooth cir...

While not truly conversant with the actual plans for the many pretty wooden boats in the Glen-L catalog- on thing that seems pretty important in any frame cutting exercise is that the NC router would have to be four or five axis? a 3Axis machine couldn't hope to put a bevel (per station) on the fram...

Like Yofish, I build small welded skiffs more than anything (my current project; I'm in the helper role not builder) and for the most part they're my own designs/creations. So I follow a very similar work flow within the DelftShip Pro software that Yofish has shown in the screen captures above. (I p...

Billy C, a few notes to make sure that we're talking apples about apples - re: software. Prosurf is a surface modeling application, so is Delftship (& Pro) so is Rhino and a few others. SketchUP is only a surface modeling application with very limited lofted or swept curved surfaces. In SketchUP, pl...

Forum Readers, Yofish builds in a town named Homer, Alaska, that is on a nice bay, Kachemak Bay (ketch'-i-mack) that opens onto the lower Cook Inlet that is a northern oriented arm of the Gulf of Alaska. The North Pacific can be a nice calm stretch of ocean, but then, in other instances, is subject ...

jetmetal, dedicated tank fittings like these https://www.fueltankparts.com/fuel-tank-parts-accessories/weld-in-fittings.html are lower profile extending from the tank face or top surface. There is some thread down inside the tank allowing the ST El or other hose adapter to remain closer to the tank ...

jetmetal, I use 1" fittings because I expect to bush the fittings for the fuel vent hose down from the aluminum to whatever hose barb nipples are used but large vents avoid many headaches in fueling/filling up. I encourage you to find one of the fuel tank fittings and hose vendors like Perko, Attwoo...

jetmetal, in regard a tank draw sump or one combined with the water bottoms sump; if they're tended regularly (??) they could be the same wall as the tank and probably do just a well in longevity. I tend to use heavier material because I've had so many tanks in where the bottoms were not pulled/pump...