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Mast dimensions


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I'm at home, boat in Auckland. I want to weld up a little cage from stainless round bar to protect the new mast mounted steaming light from halyard damage. Would anyone know the more or less mast cross section dimensions of the standard H28 mast?

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Here's a picture of the cage to protect the steaming light, and thanks for providing the mast dimensions.

Of course as you will appreciate, the trouble with being helpful is that if it doesn't fit then its all your fault. ;-)

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Yep, one of those machines would be nice.

I only have a little toy stick welder albeit a good quality one. I am self taught and a decidedly average welder (haven't mastered overhead yet). But, if you can run a reasonable weld in mild steel then you can do a beautiful one in stainless if you are careful to match the amps to the material gauge. Stainless rods can be run quite a bit cooler than their mild steel counterparts. If you are careful and provide a heat sink of some sort you can stick weld 1.2mm wall thickness tube with a 2.5mm rod for making stanchions for example. 1.6mm is a lot easier and you would get a stronger stanchion if you're not a race boat looking to save an ounce where you can.

You can't use magnets on stainless to hold parts together for welding, but as mentioned in another post someplace, I have had good success using super glue. The parts are held together strongly enough to strike an arc on and the weld heat will burn out the glue from thed joint.

So I'm happy enough to stay with my little stick welder.

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