On Mon, 1/18/16, Beaute Olivier atlanticyachtsurvey@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: Re: [Amel Yacht Owners] genoa furler holding plate
To: "amelyachtowners@..." <amelyachtowners@...>
Date: Monday, January 18, 2016, 7:55 AM


 









Hello
Mike,
the
stainless steel part that you call tang is originally not
bent and must not remain bent.Once
straightened, don't mount it reverse (as you
did).This part
is not designed to absorb vertical downwards pressure but to
prevent the furling system (motor, gear-box and foil) from
going up.The bend
happens because of not enough tension on the genoa halyard,
or if the original VECTRAN core halyard has been replaced
with a regular polyester halyard.Before you
start furling your genoa (because of too much wind) you
should tension this halyard to the maximum you can. Some
people never touch the genoa or mainsail halyard. This is a
mistake that creates problems like the tang bending, or the
sail going out of shape.
Olivier


On Monday, January
18, 2016 11:55 AM, "mdondra@...
[amelyachtowners]"
<amelyachtowners@...> wrote:



 










Are the
original genoa furler tangs from Amel straight or
bent?
After a passage
from the Chesapeake to Antigua in November, Aletes showed a
90 degree bend in the genoa hold down tang. This clearly
looked wrong. After taking up the tension on the halyard
and removing the tang, it sprang back to about a 45 degree
bend.  We presumed based upon this topic thread that
insufficient tension on the passage and pounding seas
caused the permanent bend.
We straightened it and reinstalled.
The reinstall did not fit well, so we turned the unit around
so that the bolt L faced aft rather than forward as
original. This configuration put a slight forward bend to
the tang, putting it rather close to the forestay turnbuckle
and not parallel to the forestay. This still didn't look
quite correct.
Looking at the tang on a 3 year
younger SM the tang was bent at approx. 45 degree as was
ours and as pictured by Ocean Bird on Dec 26, 2015 and in
the same place. The owner of the younger SM, who owned from
new, said the bend was always there.
My question is this. Is the 45
degree bend in the tang by design? Is the clevis connection
to the base plate designed to allow rotation as the tang
flexes. There is some potential rationale. With the bend,
the tang is parallel to the forestay and acts as a spring
shock absorber for the vertical loads of the furling system
in a pounding sea. It seems not a coincidence that on the 3
SMs that I have looked at for this, the bends are at about
the same place and amount.
Mike OndraAletes
SM#240






















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