alu sailboat buliding

[Weldordie]

hi forum.
been busy welding up the rib dinghy we had onboard from rubber to alu. (of course) This is to avoid some love-sick walrus falling in love with our dinghy and hole it. I used 3mm plates and rolled them. Problem is now weight. Before the dinghy was 33 kg. Now its close to 90 kg. (200 pounds)
This was no the plan. I hoped the weight will not be more than 50 kg so 2 people could get it on deck.

So now i wonder about making another one.. More or less same size but with lighter material.

Attachment 1724829

Maybe use a davit or such, so one person can deck it.

[zeyang]

finished. 70 kg in mm. i think a different design would be smarter.

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[zeyang]

stability testing today.

[Hobbytime]

hi forum.
been busy welding up the rib dinghy we had onboard from rubber to alu. (of course) This is to avoid some love-sick walrus falling in love with our dinghy and hole it. I used 3mm plates and rolled them. Problem is now weight. Before the dinghy was 33 kg. Now its close to 90 kg. (200 pounds)
This was no the plan. I hoped the weight will not be more than 50 kg so 2 people could get it on deck.

So now i wonder about making another one.. More or less same size but with lighter material.

Attachment 1724829

why didnt you just make rounded aluminum shields for the top pontoons of the rubber one? to prevent puncture from tusks..

[arcflash]

How did the test go?

[shortfuse]

The weld beads under the two wooden poles look like they aren't complete.

[F150]

Not to be rude, but those welds look questionable.

[zeyang]

its a plate just tacked up on top of the other. will fix
here is where water can come in.


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