[Rhodes22-list] centerboard attachment

Fri Mar 7 09:34:03 EST 2014

a lot of misinformation here but am too busy to infringe on your fun - 
just want to remind all that no one is talking about the combination 
Keel/Diamondboard boats and that you old timers can get the same 
pivoting benefits effect by simply sailing with your prior style board 
being kept raked slightly aft. . . . . or you can buy a fixed keel boat 
and bite your tongue.

ss

On 3/7/14, 8:51 AM, Ric Stott wrote:
> Hmm!
> I'm very grateful for this thread and this communication.
> I see this as an inherent and dangerous weakness in the boat.
> I was sailing in a keel boat once long ago. We were on our way to a
> race in Fisher's Island sound.
> It was foggy and before GPS, we proudly knew  where we were, but not
> to the nearest yard.
> There are some tall rocks close to the edge of the channel in
> otherwise very deep water.
> There was a 2  ft chop  on a 2  foot swell from offshore and it was
> low tide.
> The wind had dropped off and we were moving only a knot or two,
> bobbing in the bumps.
> Cocky and content, alert and on watch, we were cruising along with the
> chute up.
> Suddenly, the boat dropped off a wave on the keel came down on a rock.
> We hit so hard I bit my tung  bloody from the impact. The mast and
> rigging twanged like it broke. We quickly checked the bilge fearing
> the worse, but to everyones surprise - no leaks.
> An underwater inspection revealed a big dent on the bottom of the lead
> keel.
> If that happened in a Rhodes 22, it would have driven the CB right
> through the cap and flooded the boat.
> No wonder Stan builds in floatation.
>
> There must be a solution here.
> What holds the garden hose in place, anybody know?
>
> Ric
> Dadventure
>
>
> On Mar 6, 2014, at 9:58 PM, cjlowe at sssnet.com wrote:
>
>> I have a different take on some of these issues, don't know if I'm
>> right,
>> probably just a different take. I think I remember someone on the list
>> saying the pcv pieces slide on each side of the cb pin and act as a
>> sacrificial bushing , so the stainless steel pivot pin doesn't eat
>> out the
>> fiberglass in the side and bottom of the grove. Hope I didn't dream
>> that,
>> because I spent a lot of time making them bushings, mine didn't have
>> them.
>>   I'm not sure trying to limit the cb's vertical movement is the best
>> idea. I'm thinking anything you put in the channels has a chance of
>> falling out and jambing the cb travel. Anything hard screwed in the
>> channels has a good chance of tearing big holes in the cb trunk and
>> taking out both sides of the cb cap. If you think fixing the cb cap
>> was
>> a pain, ask Lou how much fun it is to do repairs inside the
>> centerboard
>> trunk.
>>   I'm thinking the best bet is to not anchor/moor in shallow water,
>> don't
>> motor backward in shallow water, and NEVER EVER splash the boat unless
>> the cb pendant is cleated with the cb in the UP position. Any other
>> ides
>> on this are more than welcome.
>>
>>     Jerry
>>
>>
>>
>>> I have changed the title of this exchange as it appear the topic has
>>> morphed
>>> from the matter of the mast post base to the question of how the
>>> centreboard
>>> is attached and how this might result in damage to the cap if the
>>> centreboard is not held in the up position when launching.
>>>
>>> My centreboard pivot pin rides in two vertical channels in the
>>> housing
>>> that
>>> are about 5" long. Those grooves are very clear in the second photo
>>> that
>>> Rob
>>> Lowe just posted. As I saw it, the channels would allow the pin to be
>>> dropped down to the proper position without the need to insert the
>>> pin
>>> from
>>> the outside of the housing.  It now occurs to me  that this design
>>> might
>>> also have been intended to allow the pivot pin to rise up inside the
>>> housing
>>> should the centreboard hit something. Makes sense although perhaps
>>> not if
>>> this would allow the centreboard to damage the cap.
>>>
>>> In my case two length of .5 inch rigid PVC  pipe were placed in each
>>> channel
>>> above the pin. It appears that these pipes were intended to prevent
>>> the
>>> pin
>>> from rising up. As I mentioned earlier, I was pretty sure that the
>>> cap had
>>> never been removed and assumed, therefore, that the pieces of pipe
>>> were
>>> part
>>> of the original design. Now I am beginning to wonder if this was
>>> some kind
>>> of retrofit by a previous owner who, perhaps, was responding to
>>> damage
>>> caused when the centreboard was pushed into the cap.
>>>
>>> I am inclined to leave the pieces of pipe out when I reinstall the
>>> centreboard or perhaps search for something that might act as a shock
>>> absorber but still allow the board to raise up if it hits a solid
>>> object.
>>> Perhaps shorter lengths of flexible plastic tubing would work.
>>>
>>> Has anyone else found a similar arrangement in the pivot pin channel?
>>> Any thoughts?
>>>
>>> Graham
>>>
>>>
>>> -----Original Message-----
>>> From: rhodes22-list-bounces at rhodes22.org
>>> [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Lowe, Rob
>>> Sent: March-06-14 3:13 PM
>>> To: The Rhodes 22 Email List
>>> Subject: Re: [Rhodes22-list] Searching the archives and settled
>>> step >now
>>> mast step cb leak
>>>
>>> It seems like there are various versions of CB and the lift
>>> systems.  Here
>>> are some photos that someone (I forgot who, sorry!) posted of their
>>> CB
>>> taken
>>> apart. - rob
>>>
>>> http://www.rhodes22.org/pipermail/rhodes22-list/attch/200507/14/Getaway1.jpg
>>> http://www.rhodes22.org/pipermail/rhodes22-list/attch/200507/14/Getaway2.jpg
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: rhodes22-list-bounces at rhodes22.org
>>> [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Ric Stott
>>> Sent: Thursday, March 06, 2014 2:00 PM
>>> To: The Rhodes 22 Email List
>>> Subject: Re: [Rhodes22-list] Searching the archives and settled
>>> step >now
>>> mast step cb leak
>>>
>>> Thanks Graham
>>> It might have been cracked when they loaded it onto a trailer to
>>> launch
>>> last
>>> spring and delivered it to me.
>>> It was a transport trailer.
>>> Sam replied that the pendant had to be cleated when trailered, or
>>> it would
>>> cause a crack.
>>> I'd like to understand the mechanics of that reply.
>>> Is the top or aft edge of the CB that close to the cap, and what
>>> component
>>> would allow it to move vertically, a hinge pin?
>>> Is there a CB diagram anywhere?
>>> I think it was leaking, but very little until later in the season
>>> then
>>> - after a storm, it got much worse.
>>> The boat may have been on the bottom or bounced on the bottom at a
>>> very
>>> low
>>> tide.
>>> I'll take it apart when it warms up.
>>> Pendant - Braided nylon is very stretchy - is that what we want?
>>> Ric
>>>
>>> On Mar 6, 2014, at 1:24 PM, Graham Stewart wrote:
>>>
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>>
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