[Rhodes22-list] Rubber gasket

Ric Stott ric at stottarchitecture.com
Mon Aug 20 19:58:51 EDT 2018 

Yea it acts as a stop/guide for the trailing edge of the center board blade when retracted to snug up to 
So -  ‘snugger upper’ it is. 
Ric
Sv Dadventure 
Sent from my iPhone

> On Aug 20, 2018, at 6:46 PM, Graham Stewart <gstewart8 at cogeco.ca> wrote:
> 
> Patrick
> 
> Sounds good to me. Does anyone know what purpose the V block serves?
> Graham
> 
> -----Original Message-----
> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Patrick Cheung
> Sent: Monday, August 20, 2018 2:37 PM
> To: The Rhodes 22 Email List
> Subject: Re: [Rhodes22-list] Rubber gasket
> 
> Graham,
> 
> My boat is from 1984. I had 48 screws, I shall replace with lock nut, bolt
> and washers.
> 
> I remembered reading the archive, I am not the only one with V block, he
> also had the problem with leak through the screws penetrated through the
> side wall.
> 
> This V block is approximately 6" from the Aft. The black marker line on the
> flange is approx. 6" from the aft.
> 
> My original problem is the center board unable to be lowered. After opening
> the cap, I found the control line is oversized, and it is unable to pass
> through 2 of the 4 blocks happily. I shall replace with 1/4" line. The rest
> of the system, blocks, center board all seems to be ok. So this should be a
> easy fix. Patch the 2 holes, new paint for the trunk and the board, new
> neoprene. That should do it.
> 
> patrick
> 
> 
> 
>> On Mon, Aug 20, 2018 at 12:34 PM Graham Stewart <gstewart8 at cogeco.ca> wrote:
>> 
>> Patrick:
>> 
>> What year is your boat?
>> 
>> No one else has mentioned this so I might be wrong, but I suspect that the
>> V block was added by a previous owner. I don't have one in my boat. The
>> only purpose I can see for it would be to stop the centerboard from being
>> pushed up into the cap. On my boat, and others according to other threads,
>> there a pieces of garden hose (about 6") that are placed above the pivot
>> pin in the slots for the pin in the side of the housing. Should the board
>> be pushed up the pieces of hose compress. I don't see the slot on your boat
>> and wonder if this V block was put in the slot or perhaps the picture is
>> facing towards the aft of the boat and the slots were not included.
>> 
>> If you are repairing your rudder or centerboard you might check for voids
>> - especially if there are any stress cracks or bulging in the gel coat. You
>> can find the voids fairly easily by tapping on the outside with a wooden
>> screwdriver handle. They can be filled fairly easily by drilling holes into
>> the cavity and injecting epoxy or polyester resin. I was very surprised how
>> much resin it took to fill the known cavities in both my centerboard and
>> rudder. I also used three gallons of resin filling cavities in the keel but
>> I had damage that may have resulted in material being lost.
>> 
>> Your picture appears to show fewer bolt holes in the trunk than I have.
>> The refit kit that Stan supplies includes 50 machine screws so I assume
>> that there should ideally be holes for them all. I have 54 because I added
>> a few trying to stop the leak. Since you are already doing this work, you
>> might consider adding a few.
>> 
>> The picture was also useful for me as like mine, you have a single row of
>> holes so perhaps that is the design standard. If anyone has a picture of
>> their housing on a more recent boat that might be very helpful.
>> 
>> Graham
>> 
>> -----Original Message-----
>> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf
>> Of Patrick Cheung
>> Sent: Monday, August 20, 2018 8:49 AM
>> To: Curtis Ruck; The Rhodes 22 Email List
>> Subject: Re: [Rhodes22-list] Rubber gasket
>> 
>> Graham, here’s the two pictures of the v block.  Hope pictures will go
>> through.
>> 
>> I placed the order for neoprene.
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>> 
>>> On Aug 19, 2018, at 10:57 AM, Curtis Ruck via Rhodes22-list <
>> rhodes22-list at rhodes22.org> wrote:
>>> 
>>> It is definitely closed cell, to my knowledge all neoprene is.   I looked
>>> at the different thicknesses and soft/firm and ordered two actually, a
>> 1/4"
>>> that was more firm, and the 3/16.  When I got them, decided on the 3/16,
>>> because once compressed, its basically solid rubber, and the surface of
>> my
>>> trunk was less than perfectly smooth, so i chose it based on
>>> compress-ability.
>>> 
>>> I don't believe it leaks, but its never been in the water long enough to
>>> really tell.  I'd wager it does, but without having a slip to keep it
>> in, i
>>> have no real way to know.
>>> --
>>> Curtis
>>> 
>>> 
>>>> On Sun, Aug 19, 2018 at 8:41 AM Graham Stewart <gstewart8 at cogeco.ca>
>> wrote:
>>>> 
>>>> The neoprene that Curtis found looks great but is referred to a "sponge"
>>>> neoprene. I expect that means it is softer than the usual stuff and
>> might
>>>> make a better seal assuming that it is closed cell. Does anyone have a
>> more
>>>> informed opinion than mine on this difference?
>>>> 
>>>> Graham
>>>> 
>>>> -----Original Message-----
>>>> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On
>> Behalf
>>>> Of Curtis Ruck via Rhodes22-list
>>>> Sent: Saturday, August 18, 2018 7:26 PM
>>>> To: The Rhodes 22 Email List
>>>> Subject: Re: [Rhodes22-list] Rubber gasket
>>>> 
>>>> I used this from Amazon:
>>>> 
>>>> 
>> https://www.amazon.com/gp/product/B003HDILE4/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
>>>> on my 1979.  Seems to work, but mine is only in the water ~2-3 hours a
>>>> time, and there is always water in the bilge when I start sailing (I
>>>> believe due to the cockpit drains getting clogged, and the water making
>> up
>>>> and in the cockpit storage, which drains through to the bilge.
>>>> --
>>>> Curtis
>>>> 
>>>> 
>>>> On Sat, Aug 18, 2018 at 6:40 PM Graham Stewart <gstewart8 at cogeco.ca>
>>>> wrote:
>>>> 
>>>>> Just so that there is no confusion, I did make a neoprene gasket and it
>>>> is
>>>>> installed. It is 3/16 thick but has a fine ribbed pattern that I think
>>>> did
>>>>> not compress enough to make a perfect seal. It might also be too hard.
>>>> So I
>>>>> am only using the butyl to give the neoprene a smoother surface - not
>>>>> substituting the neoprene with the butyl. Nevertheless, I think I will
>>>>> replace the gasket when I can find a Canadian source.
>>>>> 
>>>>> Another issue that might explain my difficulty getting a good seal is
>>>> that
>>>>> it looks to me like the flange on the cap might have been trimmed at
>> some
>>>>> point. The lip is only about 1 1/4 inch wide and allows for only a
>> single
>>>>> row of bolts. The base is quite a bit wider and appears to have had a
>>>>> second row of bolts at some point. It makes sense that both parts would
>>>> be
>>>>> the same width.
>>>>> 
>>>>> I really don't want to take this apart again to replace the gasket and
>>>>> rebuild the cap.
>>>>> 
>>>>> Graham
>>>>> 
>>>>> -----Original Message-----
>>>>> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On
>>>> Behalf
>>>>> Of Gary Novotny
>>>>> Sent: Saturday, August 18, 2018 2:40 PM
>>>>> To: The Rhodes 22 Email List
>>>>> Subject: Re: [Rhodes22-list] Rubber gasket
>>>>> 
>>>>> Yep, totally agree that things bedded with urethane sealants are a
>> bitch
>>>>> to remove. Only use this stuff as a last resort if you can’t find
>> proper
>>>>> gasket material. Also I'd be sure the pendant and  all blocks are in
>>>>> excellent condition. If not, definitely replace. The problem I see with
>>>>> Butyl for this application is that it has no adhesive properties , so
>>>>> you are counting on the cap to trunk compression to keep it sealed and
>>>>> it’s not resilient like a neoprene gasket. If the trunk is subject to
>>>>> any significant flexing at all then the compression seal could start to
>>>>> develop leaks. If I did use Butyl tape, I'd keep a close eye on it. One
>>>>> good thing is that Butyl tape would be VERY easy to replace.
>>>>> 
>>>>> Gary
>>>>> 
>>>>> 
>>>>>> On 8/18/2018 12:55 PM, Graham Stewart wrote:
>>>>>> Like Gary I used butyl extensively as a bedding material for my
>>>> hardware
>>>>> and it is a dream to use compared to other sealants. The only place
>> below
>>>>> the waterline where I used it was the centerboard cap and only then
>>>> because
>>>>> I was getting desperate to find a solution. Gary's cautionary note is
>>>> good
>>>>> reason to keep looking for the proper neoprene - something I will do
>>>>> if/when the butyl fails or I have to remove the cap for any other
>> reason.
>>>>>> 
>>>>>> 4200 sealant is easier to remove than 5200, which is almost impossible
>>>>> without destroying the parts,  but would still be extremely difficult -
>>>>> especially for such a large area. When I bought my boat a previous
>> owner
>>>>> had used one of those high-adhesive sealants  and I spent literally
>> days
>>>>> getting the cap off using a torch to heat a large knife that I slowly
>>>> moved
>>>>> along the join. Even then I still broke the cap into two pieces and had
>>>> to
>>>>> make extensive repairs to the cap and the base.
>>>>>> 
>>>>>> I don't know if there is anything like butyl that has low adhesive
>>>>> characteristics and is still rated for below the waterline use.
>>>>>> 
>>>>>> For the time being the butyl is working but I will let the list know
>> if
>>>>> it begins to fail - assuming the boat doesn't sink and take me with it.
>>>>>> 
>>>>>> 
>>>>>> Graham Stewart
>>>>>> Agile 1976 Rhodes 22
>>>>>> Kingston Ontario
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> -----Original Message-----
>>>>>> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On
>>>>> Behalf Of Gary Novotny
>>>>>> Sent: Saturday, August 18, 2018 9:38 AM
>>>>>> To: The Rhodes 22 Email List
>>>>>> Subject: Re: [Rhodes22-list] Rubber gasket
>>>>>> 
>>>>>> Guys,
>>>>>> 
>>>>>> I love Butyl tape, it's really great as a bedding compound. I
>> completed
>>>>>> the first round of restoration on a boat (not my Rhodes) three months
>>>>>> ago and I used this stuff extensively for all the deck fittings and a
>>>>>> hatch. Butyl tape like all sealants needs a clean surface so use Remov
>>>>>> or DeBond first if the surface has prior sealant contamination. I
>> can't
>>>>>> say enough good things about the ease of Butyl tape installation and
>>>>>> cleanup. All the leaking fittings are fixed now. It is too early for
>> me
>>>>>> to report on longevity, but others have had very good results and when
>>>>>> you do need to re-bed its easy.
>>>>>> 
>>>>>> I wouldn't be comfortable using this below the waterline however. If
>>>> you
>>>>>> can't get neoprene sheet, you might be better off resorting to a
>>>>>> traditional moderately adhesive sealant like 3M 4200. (Do NOT use
>> 5200)
>>>>>> 
>>>>>> Just my 2cents.
>>>>>> 
>>>>>> Gary
>>>>>> 
>>>>>> 
>>>>>>> On 8/17/2018 2:56 PM, Graham Stewart wrote:
>>>>>>> Patrick:
>>>>>>> 
>>>>>>> Glad to hear that there is another Rhodie in Canada. I thought Phil
>>>>> Gautier and I were the only ones.
>>>>>>> 
>>>>>>> I replaced my gasket last year but was unable to find the proper
>>>>> neoprene. I finally got some neoprene from a neighbor but it wasn't
>>>> smooth
>>>>> surfaced so it leaked no matter how many bolts I added. I finally
>> stopped
>>>>> the leaks by using butyl tape - not an ideal solution, but it worked
>>>> well.
>>>>> Butyl is an excellent sealant but has very low adhesive qualities so it
>>>>> should be easy to remove in the future should that be necessary. The
>> tape
>>>>> is about 3/4" wide but I only used about half of that on both sides of
>>>> the
>>>>> gasket as I didn't want to have it squeeze into the centerboard slot. I
>>>>> would not use the butyl that comes in a tube. In fact only use the
>> butyl
>>>> if
>>>>> you can't get the proper neoprene.
>>>>>>> 
>>>>>>> 
>>>>>>> Graham Stewart
>>>>>>> Agile 1976 Rhodes 22
>>>>>>> Kingston Ontario.
>>>>>>> 
>>>>>>> 
>>>>>>> -----Original Message-----
>>>>>>> From: Rhodes22-list [mailto:rhodes22-list-bounces at rhodes22.org] On
>>>>> Behalf Of Patrick Cheung
>>>>>>> Sent: Friday, August 17, 2018 2:11 PM
>>>>>>> To: The Rhodes 22 Email List
>>>>>>> Subject: Re: [Rhodes22-list] Rubber gasket
>>>>>>> 
>>>>>>> Gary,
>>>>>>> 
>>>>>>> I found the perfect one from Amazon but they won’t ship to Canada.
>>>>> Gonna keep looking.
>>>>>>> 
>>>>>>> Thx, Patrick
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>>> On Aug 17, 2018, at 1:32 PM, Gary Novotny <gjnovotny at comcast.net>
>>>>> wrote:
>>>>>>>> 
>>>>>>>> Patrick,
>>>>>>>> 
>>>>>>>> When I did my centerboard trunk maintenance four years ago I used
>>>>> neoprene sheet I bought off of Amazon. It seems to have worked well.
>>>>>>>> 
>>>>>>>> Gary
>>>>>>>> 
>>>>>>>> Moon shadow 1978 R22
>>>>>>>> 
>>>>>>>> 
>>>>>>>>> On 8/17/2018 11:50 AM, Patrick Cheung wrote:
>>>>>>>>> Dear Rhodies,
>>>>>>>>> 
>>>>>>>>> It is time to repair the center board. I reached out to Stan for a
>>>>> piece of
>>>>>>>>> the rubber but he is super busy right now.
>>>>>>>>> 
>>>>>>>>> I seems to recall some Rhodies may have extra rubber left over from
>>>>> their
>>>>>>>>> repair. I am hoping I can buy a stripe off you, if you are willing
>>>> to
>>>>> sell.
>>>>>>>>> 
>>>>>>>>> Patrick
>>>>>>>>> Duck, '84
>>>>>>>>> Lake Simcoe, Ontario, Canada
>>>>>>>>> __________________________________________________
>>>>>>>>> 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
>>>>>>>>> __________________________________________________
>>>>>>>>> 
>>>>>>>> --
>>>>>>>> Gary Novotny
>>>>>>>> 7309 S Indian River Drive
>>>>>>>> Fort Pierce Florida 34982
>>>>>>>> 772-4660956 home
>>>>>>>> 772-9715753 cell
>>>>>>>> gjnovotny at comcast.net
>>>>>>>> 
>>>>>>>> __________________________________________________
>>>>>>>> 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
>>>>>>> __________________________________________________
>>>>> 
>>>>> --
>>>>> Gary Novotny
>>>>> 7309 S Indian River Drive
>>>>> Fort Pierce Florida 34982
>>>>> 772-4660956 home
>>>>> 772-9715753 cell
>>>>> gjnovotny at comcast.net
>>>>> 
>>>>> __________________________________________________
>>>>> 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
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>>> 
>>> 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
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>> 
>> 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
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>> 
>> For the list Charter and help with using the mailing list and archives go
>> to http://www.rhodes22.org/list
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>> 
> __________________________________________________
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> 
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