Yes of course. I have all these things in excel sheets somewhere but from the top of my head a typical lean fitting out of the mast adds between 2.5 and 3.0 kg in total and adds about 0.8 kg to the tipweight. Of course this does dependent on the fittings chosen and also very much on the density of the foam blocks to seal the mast. A set of carbon spreaders arms is just significantly lighter then a set of proctor spreader arms. Fittings do include items like halyards and blocks.

I think a mast fully fitted but without side-stays and forestay should be around 18 kg when it is fitted out in a lean manner.

I seem to remember that the Tornado full carbon mast was 15 kg when fully rigged and that mast is only 0.5 mtr taller.

A compliant F16 carbon mast will be just under 14 kg.

Again, the differences in weight between carbon and alu only come from the bare tubes as all the fittings are pretty much identical. That is the reason why we are looking at bare tube weights and not full mast weights (except tipweight as those are implicetly fully fitted mast measurements)

What are fully fitted A-cat carbon masts these days ? Around 10 kg ?

The old alu A-cats masts were slightly lighter then the superwing alu, but not by much. Actually there are some A-cat alu mast designs that were actually heavier then the superwing.

Formula 18 masts are on 3.5 kg to 4.5 kg heavier then the F16 alu sticks so on average 22 kg when fully fitted. These masts are only 0.5 mtr longer and carry only 13% more sail area.

I seem to remember the old Alu Tornado masts to be heavier still (then the F18's), somewhere around 24 kg. Rolf will know that info from his head. I have it archieved somewhere but no time to dig for it.

Masts without diamond wires like the Hobie 16 are typically noticeably heavier then the masts with diamond wires. They need thicker walls to withstand the bending loads. This is why small boats like the Hobie 16 and Prindle 16 (but not nacra 500) are more difficult to right singlehandedly then you would initially expect even when their masts are shorter and their rigs are smaller.


Now you've got the full picture.




That is something that interests me as well, if such a thing occured. It is however outside of my sphere of influence. You will have to contact your supplier directly for that.

Could it be that he mistakenly grapped an old alu A-cat mast ? I mean the difference between a 150x63x1.6 and 145x61x1.85 mast is not easy to spot when not laying a tape measurer over the section.


Wouter