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Spec for Mast and spreaders
Posted: Sun Oct 23, 2022 21:28 pm
by michihito
Hello.
I found a spreader on starboard side has a crack. See attached photos. I would like to order new one but I don't know which company produced this one. Does anyone has any idea which product it is?
http://michihito.com/file/fe83_spreader ... ard_1.jpeg
http://michihito.com/file/fe83_spreader ... ard_2.jpeg
Re: Spec for Mast and spreaders
Posted: Sun Oct 23, 2022 22:06 pm
by alex
If the boat is a Finn Express 83 - that rig is from Selden. There are detailed Selden catalogs, you should be able to find the spreaders by dimensions.
One FE83 has replaced her mast just recently - they might have spare spreaders, too. Another option is to weld the cracks.
Re: Spec for Mast and spreaders
Posted: Mon Oct 24, 2022 09:38 am
by michihito
Thanks. This helps me a lot!
Re: Spec for Mast and spreaders
Posted: Mon Oct 24, 2022 09:57 am
by harald
I wouldn't trust old aluminium with a new weld on it. It's quite hard to get the heat treating right afterwards to avoid local tempering of the material. You might lose 50% of the strength if just welding.
https://makeitfrommetal.com/does-weldin ... weaken-it/
Re: Spec for Mast and spreaders
Posted: Wed Oct 26, 2022 09:42 am
by alex
It is true, old aluminium doesn't weld well.
Re: Spec for Mast and spreaders
Posted: Wed Oct 26, 2022 20:30 pm
by Panu
Re: Spec for Mast and spreaders
Posted: Wed Oct 26, 2022 20:31 pm
by Panu
Re: Spec for Mast and spreaders
Posted: Wed Oct 26, 2022 20:31 pm
by Panu
Panu wrote: ↑Wed Oct 26, 2022 20:31 pm
Re: Spec for Mast and spreaders
Posted: Thu Oct 27, 2022 19:21 pm
by Cage
Some maybe 5-6 years ago I got a quote from Rig-Man (rig-man.fi) gave me an offer for new ones, so even if the mast is old and not produced anymore, seems like it would be able to get at least spreaders for it still.