Mike,
Roger has come up with the best way of repairing and or replacing the lower shroud chainplates.
He posted pictures, but they did not come through on my end. By cutting the chainplate off flush where it comes out through the cabin top, thus removing most of the bend, you should be able to fish the piece out without cutting down the side, or using the die grinder.
You will however have to cut rectangular hole lower in the side to reinforce the side outer cabin wall and mount the new chainplates.
Todd T.
On Fri, Aug 2, 2024, 4:45 PM <mm.bizlist1 at gmail.com> wrote:
> Roger and Todd,
>> Before I start cutting holes in my boat, I want to make sure I understand
> the full process, so please let me know if I am misunderstanding
> anything.
>> The original chainplate is bent in an L-shape and screwed to plywood inside
> the ceiling of the cabin with one or two wood screws. To remove the old
> chainplate, you need to open a hole in the ceiling liner. In Todd's case,
> he also needed to open some of adjacent sidewall of the cabin to gain
> sufficient clearance to extract the old chainplate. Roger, did you need to
> do that also, or did you use a different approach?
>> In any event, the hole in the ceiling needs to be repaired afterwards. Was
> there much difficulty in achieving a clean repair of the ceiling liner?
>> A second hole of the correct size for the deckplate inspection port is
> drilled in the inside sidewall liner below the chainplate opening. A
> backing plate (1/4" plywood?) is epoxied inside of the outer layer of the
> cabin sidewall. The new chainplate is through-bolted to the backing plate.
> Finally, the deckplate is installed to the inside liner of the cabin as an
> inspection port.
>> Is the above description correct?
>> Thanks,
>> Mike
>> -----Original Message-----
> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of
> ROGER
> PIHLAJA
> Sent: Friday, August 2, 2024 12:59 PM
> To: 'The Rhodes 22 Email List' <rhodes22-list at rhodes22.org>
> Subject: Re: [Rhodes22-list] How to replace forward lower chainplates?
>> You use something like a hole saw to make a 4-1/2" ID hole in the cabin
> liner. This will expose the plywood core and the old chainplate. Remove
> the old chainplate and any plywood that's in the way, install a new
> chainplate made of straight SS bar stock, (Note that this new chainplate
> goes thru the original hole in the cabin roof) and thru bolt it thru the
> outer cabin wall. Then, install the Beckson inspection plate. Easy peasy,
> it takes about 30 minutes to do each chainplate. You can easily do all 4
> inner chainplates in an afternoon. Other than two round head machine
> screws
> + fender washers on the side of the cabin at each chain plate and 4 Beckson
> inspection plates in the cabin, the installation will look stock. But,
> you
> will be able to inspect/repair/replace the 4 inner chainplates whenever you
> want.
>> Roger Pihlaja
> S/V Dynamic Equilibrium
> 1978 Sanford, MI
>> Roger Pihlaja
>> ________________________________
> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> on behalf of
>mm.bizlist1 at gmail.com <mm.bizlist1 at gmail.com>
> Sent: Friday, August 2, 2024 12:40 PM
> To: 'The Rhodes 22 Email List' <rhodes22-list at rhodes22.org>
> Subject: Re: [Rhodes22-list] How to replace forward lower chainplates?
>> Roger, how did you remove the existing chainplates? Did you have to open
> up
> the cabin liner?
>> -----Original Message-----
> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of
> ROGER
> PIHLAJA
> Sent: Tuesday, July 30, 2024 11:47 AM
> To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
> Subject: Re: [Rhodes22-list] How to replace forward lower chainplates?
>> Hi All,
>> One of the first things I replaced when I bought my boat back in 1987 were
> the four lower chainplates. There is no way to inspect the factory OEM
> lower chainplates. Sooner or later, water is going to infiltrate into the
> plywood core, causing it to rot. This is easily fixed by installing 4
> Beckson 4-1/2" white screw-out deck plates (Beckson P/N: DP40-W, Defender
> Marine C/N: 941619, $17.36 each + S&H) thru the cabin liner. With these
> inspection plates installed, you can thru bolt the lower chainplates thru
> the outer cabin wall and easily inspect them whenever you wish. I do not
> trust wood screws into the plywood core for this heavily loaded component,
> especially not when the fix is so easy. Just bite the bullet and do this
> upgrade. You'll never have to worry about it again.
>> Roger Pihlaja
> S/V Dynamic Equilibrium
> 1978 Sanford, MI
> ________________________________
> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> on behalf of
> Graham
> Stewart <gstewart.gm at gmail.com>
> Sent: Tuesday, July 30, 2024 10:16 AM
> To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
> Subject: Re: [Rhodes22-list] How to replace forward lower chainplates?
>> The chain plate is a bent stainless-steel tang. Mine was held in place with
> a single screw into the plywood core of the cabin top. I have attached a
> picture of the chainplate. Knowing the width, you should be able to
> calculate pretty accurately where the screw would be. Removing a section of
> the liner should allow you to remove the screw without needing to create a
> large hole.
>>> Graham Stewart
> Rhodes 22
> Agile, 1976
> ________________________________
> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> on behalf of
> Michael McKay <mm.bizlist1 at gmail.com>
> Sent: Sunday, July 28, 2024 4:59 PM
> To: rhodes22-list at rhodes22.org <rhodes22-list at rhodes22.org>
> Subject: [Rhodes22-list] How to replace forward lower chainplates?
>> Hi Rhodies,
>> I damaged one of my forward lower chainplates and need to replace it.
>> It is evidently attached to something between the inner and outer
> fiberglass skins, so my plan would be to cut an access hole from the
> inside.
>> Can you provide any guidance about how best to approach this project?
>> Thank you!
>> Mike McKay
> S/V Liber 2006/2108
> Allatoona Lake, GA
>>>>> Michael McKay
> (630) 209-2054 (m)
>> Sent from my iPhone
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>>>
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