No, by your twisted logic, they are single butted tubes joined but end
to but end.

Cheers MC

Myron Florin wrote:

ahaa haaa hahaaaahahahaaa!!!!

When the good skipper's boom broke in two, it had two distinct pieces. The
good Capt himself made the ends of the pieces thicker by inserting a inner
sleeve of proprietary material, common to each piece at the end. Thusly, he
made the end of each tube thicker - which is DOUBLE BUTTED TUBING as I said.

ahaa haah ahaa aaaa hha ahahaa!!!!

Now regarding the "crack" at the splice. Note that there's other hardware
and internal sleeve pressure transferring the forces. The crack can't
transfer forces, but the clearance definitely shows it in compression as I
have said!

ahaaa aaah aha aha haaa haaa haaa!!!!!!

Gotcha!