[Rhodes22-list] Pivot pin bushings

Fri Mar 7 12:46:23 EST 2014

Todd,

  I love ya man, but I 'm not tearing apart the  cb cap and yanking the cb
out to take photos if the pin and bushings. I didn't take pictures at
the time of repair. I have to go to lunch with my wife right now but I
will try to look up more on this when I get back.

  Jerry

Jerry,
>
> Can you post pbbics of your pin and bushings? My cb flops around a bit. I
> may have to turn a new shaft and bushings on the lathe.
>
> There was also a thread sometime ago about putting short pieces of hose in
> the trunk to limit movement of the cb. If anyone has those pics or an idea
> when it was, I would appreciate if you could post and comment.
>
> Todd T.
> --
> Sent from my Android phone with mail.com Mail. Please excuse my brevity.
>
> 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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