[Rhodes22-list] Some theories on sailing problem wanted

[The Rhodes 22 Email List]

Hi all:

I have
​a similar​
asymmetric problem with a recently tuned IMF  (by a rigger who read and
followed the manual), coupled with a 170 on a slightly raked
​ mast ​
(tang
​ factory setting ​
hole + 1)

You can 'set and forget' her on starboard tack
​ under various sail/wind  combinations, ​
but she suffers an annoying tendency to fall off on port tack.
​ My rigger says we need to adjust port lowers. I'll let you know the
result.  My outboard , a torqeedo electric, weighs ​30 pounds, so I am not
sure that it is contributing much to the problem.

Cheers,
Shawn
s/v Sweet Baboo (Recycled 86)


On Jun 8, 2015 4:51 PM, "The Rhodes 22 Email List" <
rhodes22-list at rhodes22.org> wrote:

> Well, I'm at a complete loss and don't have a clue as to cause of the
> problem
> I'm experiencing.
>
> I raised mast, launched and sailed with IMF main only yesterday after
> adjusting forestay length as close as I could to the tuning guide
> recommended 333", which for me ended up 335".
>
> When I raised mast, 335" forestay was a couple of inches short of reaching
> bow tang with back stay totally un-tensioned.  Note that the backstay tangs
> are set in the holes giving minimum length - that is, I could make them a
> couple of inches longer. Instead, I added a couple of small shackles to
> forestay to make forestay a couple of inches longer and hooked it up. So
> now, forestay is at least 337" in length.
>
> It was quite windy so I sailed with IMF main only - fully extended. I
> sailed
> with centerboard all the way down, rudder also all the way down and against
> stops.
>
> Nice light weather helm on starboard. A definite lee helm on port,  fairly
> light. Again, this was with no jib. Boat otherwise behaved very well,
> coming
> about nicely, etc. It even pointed quite well based on the track on my
> chart
> plotter as I went between starboard and port tacks.
>
> Winds were strong and variable causing considerable variation in heel angle
> and helm behavior didn't change - so helm behavior is not due to the bow
> steering effect due to boat heel.
>
> I see this same helm behavior when using jib.
>
> I've measured to make sure the mast is vertical, tightened shrouds evenly,
> etc.
>
> Other than having a crooked centerboard or keel, I have no idea what could
> be causing this weird behavior. I've owned many sail boats, mostly smaller,
> two bigger, and none has behaved like this.
>
> Any ideas, similar experiences, thoughts are welcome.
>
> Brooks Bridges
> 1986/2006 Rhodes 22 "Changes"
> Cambridge, MD
>
>
>
>
>
> --
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