Dennis,
I agree, and have a "calibrated" batten on mine as well, but I still
need the designer to tell me when I am exceeding the design limits of the
hard point where the back stay attaches to the transom.
Gary
S/V Kaylarah
'90 C&C 37+
East Greenwich, RI, USA
~~~~~~~_/)~~~~~~
On Thu, Aug 2, 2018 at 8:13 PM, Dennis C. via CnC-List <
cnc-list@cnc-list.com> wrote:
> I never go by lbs, psi, whatever. What matters is sail shape and forestay
> sag (or lack thereof). I have a small dinghy batten taped to the AFT side
> of the cylinder of the backstay adjuster. On the batten are small wraps of
> green, yellow, red and black tape. These are positioned so the fitting on
> the backstay will line up with them when the rig is tensioned. On an
> upwind leg of a race, we tension the forestay to shape the sail how we like
> it, then look at the batten and take note of which tape mark the fitting
> lines up with. On the next upwind leg, if the wind and waves are the same,
> we tension the rig to the same piece of tape.
>
> Green = light breeze. Yellow = moderate breeze. Red = heavy breeze.
> Black = OMG, we're going to die!
>
> The tape wraps on the batten are MUCH easier to see than the gauge.
>
> If you look closely, you can see the batten on the aft side of the
> cylinder here:
>
> https://drive.google.com/open?id=1zzjRreszZF9YCbb5zBfTLGBuVtim4mcZ
>
> That's not a good picture. It was taken to show the jury rig to tension
> the backstay after the adjuster lost the top seal. :(
>
> Dennis C.
> Touche' 35-1 #83
> Mandeville, LA
>
> On Thu, Aug 2, 2018 at 4:52 PM, Gary Russell via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
>> Does anyone know the maximum back stay tension allowed on the C&C
>> 37+. My problem is the hydraulic back stay adjuster pressure gauge has
>> failed and I don't even know what the maximum pressure spec allowed is,
>> anyway. I'm concerned that at least one owner has had the attachment
>> points on the transom fail presumably due to excessive tension/pressure.
>> Frankly, the attachment points don't instill a lot of confidence as there
>> aren't any backing plate; just a couple of holes drilled in the hull. I'd
>> feel more comfortable putting a Loos gauge on the wire and calibrate the
>> extension of the back stay adjuster to it. Any thoughts / ideas out there?
>>
>> Live Slow / Sail Fast,
>> Gary
>> S/V Kaylarah
>> '90 C&C 37+
>> East Greenwich, RI, USA
>> ~~~~~~~_/)~~~~~~
>>
>>
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>
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_______________________________________________
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