Mast Replacement

[Mare Nostrum]

Hello Cruisers Forum,
My one-of-a-kind 39' foot yawl, s/v Mare Nostrum, launched in 1968, currently has a main mast made of wood, with an aluminum sleeve and covered in fiberglass. I do not know its weight. In late 2017, the below-deck to hull part rotted slightly and we replaced with an aluminum piece.
I have now been offered a used replacement main mast made of aluminum. (Weight unknown.)
The current main mast is 49'2" tall; the aluminum mast is 60´7" tall (including below deck.) Distance below deck to the bottom mount is 5´9".

The boom contact length with the mainsail is 18' 3". At this point, I see no reason to change the boom.

I would be most thankful for any thoughts regarding this possible mast change.

Fair skies and following sea for all!

Roberto
s/v Mare Nostrum
Acapulco

[zeehag]

hay roberto. long time no hear. wondered where ye went. i just finished making my mizzenmast repairs for my formosa, here in mazatlan-- scarfed in new pieces, so far so good. still need to rerig it.
are you able to do this with yours, or is it toast???

[Mare Nostrum]

Originally Posted by zeehag

hay roberto. long time no hear. wondered where ye went. i just finished making my mizzenmast repairs for my formosa, here in mazatlan-- scarfed in new pieces, so far so good. still need to rerig it.
are you able to do this with yours, or is it toast???

We are fine---life just got a bit hectic so have not been up your way lately. I wish you Godspeed on your mizzen and other repairs! It is not yet an "emergency"---but am liking the idea of updating the mast to aluminum. I really hope to sail from Acapulco to the Med in a couple of years. A cousin of mine in Israel even has a berth ready for me in Haifa!!

When do you estimate to be back on the open ocean??

[zeehag]

Originally Posted by Mare Nostrum

We are fine---life just got a bit hectic so have not been up your way lately. I wish you Godspeed on your mizzen and other repairs! It is not yet an "emergency"---but am liking the idea of updating the mast to aluminum. I really hope to sail from Acapulco to the Med in a couple of years. A cousin of mine in Israel even has a berth ready for me in Haifa!!

When do you estimate to be back on the open ocean??

at the current rate of progress, mebbe hopefully 2 ish more years.
if all workers here get religion and i inherit millions, next week hahahahahaha

oh and i know of a beautiful 40 ish foot aluminum mast here in mazatlan sitting at a friends house leaning against his outer walls.... is gorgeous. looks like a sloop mast--heavy duty and awesome. wanna come to mazatlan????

[AndyEss]

Considering all the repairs to your existing, cobbled together main mast, the replacement aluminum mast sounds like a no-brainer. Since you are keel stepped, I assume you have checked that the replacement mast section will fit through the partners.
The too long relacement mast will also allow you to cut off the existing base to good metal, where corrosion is common.
Go for it.
(Former owner of wood sloop with wood mast. Never going back).