[Rhodes22-list] centerboard attachment

Art Czerwonky cover-man at comcast.net
Fri Mar 7 09:50:16 EST 2014 

Guys,

A very good point by Stan...

Art

On Mar 7, 2014 9:34 AM, Stan Spitzer <stan at rhodes22.com> wrote:
>
> 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: 
> >>> 
> >>> __________________________________________________ 
> >>> To subscribe/unsubscribe go to 
> >>> http://www.rhodes22.org/mailman/listinfo/rhodes22-list 
> >>> 
> >>> For the list Charter and help with using the mailing list and 
> >>> archives go 
> >>> to 
> >>> http://www.rhodes22.org/list 
> >>> __________________________________________________ 
> >>> 
> >>> 
> >>> --- 
> >>> This email is free from viruses and malware because avast! Antivirus 
> >>> protection is active. 
> >>> http://www.avast.com 
> >>> 
> >>> __________________________________________________ 
> >>> To subscribe/unsubscribe go to 
> >>> http://www.rhodes22.org/mailman/listinfo/rhodes22-list 
> >>> 
> >>> For the list Charter and help with using the mailing list and 
> >>> archives go 
> >>> to http://www.rhodes22.org/list 
> >>> __________________________________________________ 
> >>> 
> >> 
> >> __________________________________________________ 
> >> To subscribe/unsubscribe go to http://www.rhodes22.org/mailman/listinfo/rhodes22-list 
> >> 
> >> For the list Charter and help with using the mailing list and 
> >> archives go to http://www.rhodes22.org/list 
> >> __________________________________________________ 
> > __________________________________________________ 
> > To subscribe/unsubscribe go to http://www.rhodes22.org/mailman/listinfo/rhodes22-list 
> > 
> > For the list Charter and help with using the mailing list and archives go to http://www.rhodes22.org/list 
> > __________________________________________________ 
>
> __________________________________________________ 
> To subscribe/unsubscribe go to http://www.rhodes22.org/mailman/listinfo/rhodes22-list 
>
> For the list Charter and help with using the mailing list and archives go to http://www.rhodes22.org/list 
> __________________________________________________

More information about the Rhodes22-list mailing list