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Sail & Rigging - Unknown fitting on mast top of Swan 48
04 August 2022 - 14:15
#1
Join Date: 13 January 2020
Posts: 11

Unknown fitting on mast top of Swan 48

 

Hello friends,

does anybody know what the mount on the picture is for?

A rigger meant that the halyard of the genua has to get through with some role to make an angle with the forestay.

I am not sure if that is correct or nescessary.

Yours Matthias from Montana, Swan 48

04 August 2022 - 16:48
#2
Join Date: 29 January 2007
Posts: 935

Dear Matthias,

here you are, it is (I think) a Harken fitting to lower the genoa halyard.

Fair winds!

matteo (47/069 Vanessa)

06 August 2022 - 10:17
#3
Join Date: 13 January 2020
Posts: 11

Thank you Matteo,

that is it.

But nevertheless I think we do not need it.

Actually, there is no interference between the halyard and the stay.

If I make some error in reasoning, please let me know.

Ciao Matthias

06 August 2022 - 19:07
#4
Join Date: 29 January 2007
Posts: 935

Dear Matthias,

you are correct, no interference on Montana's halyard , which is good news, so you can get rid of it!

matteo (47/069 Vanessa)

10 August 2022 - 14:54
#5
Join Date: 30 January 2007
Posts: 447

I am very sorry to contradict you but interference is not the real issue.  The top mechanism of most furling systems needs that the halyard arrives at it with a precise angle which is achieved with that small pulley like in the second picture.  The angle is needed to avoid the halyard to wrap around the forestay during furling/unfurling (an extremely unpleasant effect, often seen).

The manufacturers of the furling systems usually specify the optimal angle for their products.

Daniel, Luna Menguante, 411/004

10 August 2022 - 20:44
#6
Join Date: 29 January 2007
Posts: 935

Thanks dear Daniele!!!

Your wise comments are always welcome, and we were all missing them!

All best,

matteo (47/069 Vanessa)

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