[Rhodes22-list] Cockpit drain
The Rhodes 22 Email List
rhodes22-list at rhodes22.org
Tue Oct 13 14:07:06 EDT 2015
When I removed mine I expected to have to replace the thru-hull with a new
one but found it to be quite salvageable.
>From what I can see, thru-hulls can be made of bronze, plastic, nylon or
Marelon - which is probably a nylon brand name. Plastic might be fine for
above the waterline use but for something below the waterline like the
cockpit drain you want to use the nylon, Marelon or bronze. The one on my
boat was nylon of some sort and is very tough. What looked to be cracks
turned out to just be superficial scratches. Given the cost of a new one I
decided to clean up and reinstall my old one. I assume that my thru-hull was
original and my boat is a 76 so I would expect that anything made since then
would also be equipped similarly.
The tube between the cockpit drain and the thru-hull is curved slightly as
the thru-hull needs to be off center in order to have a flat surface on the
outside of the hull. I found that I could not get the tube on once the
cockpit scabbard and the thru-hull were in place. So I had to remove the
thru-hull, attach the tube to the scabbard barb and then insert the barb end
of the thru-hull into the tube while installing it. Don't forget to put the
nut over the barb before it goes into the tube. You want to tighten down the
nut before the sealant begins to cure or you will not likely be able to get
a good seal.
Alternatively, you could install the thru-hull first, then the hose and
finally the scabbard. Normally that would be the preferred approach but in
my case I had installed a flush mounted scabbard and removing it would have
been more than a pain. Either way you need to cut the tubing to fit
carefully as if it is too long you will be unable to tighten the nut and the
outside flange of the thru-hull will not seat properly. Do careful dry
fittings before you apply sealant. I didn't and of course I had to do it
all again. I suggest that you use 3m 4200 rather than 5200 sealant. If you
need to remove it again, as I did, at least the 4200 make this chore
possible while if you use the 5200 you will probably need to buy a new boat.
Graham Stewart
Agile. R22, 1976
Kingston Ontario Canada
-----Original Message-----
From: rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22 Email
List
Sent: October 13, 2015 12:17 PM
To: The Rhodes 22 Email List
Subject: Re: [Rhodes22-list] Cockpit drain
I cant tell if my cockpit drain through hull is full of fine cracks or if
its just reinforcing fibers in the plastic.
Any ideas?
Bob (palatka)
> On Oct 13, 2015, at 11:49 AM, The Rhodes 22 Email List
<rhodes22-list at rhodes22.org> wrote:
>
>
> Depending on the age of the connecting hose and how straight the run
> is, there is a possibility of piercing the tubing. I replaced mine and
> the tubing was brittle and cracked quite easily. The drain and the
> thru-hull were not aligned so there was an S curve in the hose.
> Todd T
> --
> Sent from my Android phone with [1]mail.com Mail. Please excuse my
> brevity.
>
> The Rhodes 22 Email List <rhodes22-list at rhodes22.org> wrote:
>
> Having recently removed and replaced the drain scabbard, thru-hull
> and
> joining hose I can tell you that it is extremely unlikely that you
> will
> damage anything in the drain by poking out debris. It practically
> takes
> dynamite to remove the drain as the material used is incredibly
> strong.
> Graham Stewart
> Agile. R22, 1976
> Kingston Ontario Canada
> -----Original Message-----
> From: rhodes22-list-bounces at rhodes22.org
> [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes
> 22 Email
> List
> Sent: October 13, 2015 10:56 AM
> To: The Rhodes 22 Email List
> Subject: Re: [Rhodes22-list] Cockpit drain
> I have a short section of stiff 1/2" rv water supply hose to use to
> clear
> the drain. It is flexible enough not to cut the drain hose but
> stiff enough
> to shove things out of the way. Mine clog frequently when dry
> docked with
> leaves that blow in from live oak trees. I am not sure if it would
> work
> with a barnacle.
> Bob(palatka)
>>> On Oct 12, 2015, at 9:49 PM, The Rhodes 22 Email List
>> <rhodes22-list at rhodes22.org> wrote:
>>
>> Aha! I was concerned that if I pushed hard deep into the darkness
> of
>> the drain I would harm something important. Of course I`ll be
> careful
>> but knowing that it`s a straight shot down makes the job a lot
> less
> worrisome.
>> Thanks again.
>>
>> Jay
>>
>> On Monday, October 12, 2015, The Rhodes 22 Email List <
>> rhodes22-list at rhodes22.org> wrote:
>>
>>> Jay,
>>>
>>> The scupper (drain) connects to a tube that runs from cockpit
> sole
>>> through the bottom of the boat. The cockpit is self bailing.
> This
>>> means the drain
>>> (scupper) is slightly above the static waterline.
>>>
>>> However, sometimes If you have a lot of well fed crew in the
> cockpit,
>>> you can have a tendency to have a small amount water enter up
> through
>>> the drain. A simple plug keeps too much water from coming up.
>>>
>>> Take a good look down the hole. I had a water bottle cap get
> stuck in
>>> there one time and had to fish it out. I came back to the boat
> and
>>> she had about 6 inches of water in the cockpit. No harm no
> foul...
>>>
>>> Cheers,
>>> Ted
>>>
>>>
>>>
>>>
>>>
>>>>> On Oct 12, 2015, at 8:35 PM, The Rhodes 22 Email List <
>>>> rhodes22-list at rhodes22.org <javascript:;>> wrote:
>>>>
>>>> So Ted, are you suggesting that I push whatever it is down and
> out?
>>>> I
>>> can`t
>>>> reach or find any debris to pull up.
>>>> Why isn`t the river bubbling up into the cockpit since the
> drain
>>>> seems to be at the level of the water surface?
>>>>
>>>> Thanks,
>>>> Jay
>>>>
>>>> On Monday, October 12, 2015, The Rhodes 22 Email List <
>>>> rhodes22-list at rhodes22.org <javascript:;>> wrote:
>>>>
>>>>> What clogged it?
>>>>>
>>>>> It`s not a valve.
>>>>>
>>>>> Simply remove clog and cockpit will drain. I assume your boat
> is in
>>>>> the water.
>>>>>
>>>>> Cheers,
>>>>> Ted
>>>>>
>>>>>>> On Oct 12, 2015, at 7:54 PM, The Rhodes 22 Email List <
>>>>>> rhodes22-list at rhodes22.org <javascript:;> <javascript:;>>
> wrote:
>>>>>>
>>>>>> In the aft end of the floor of the cockpit is a drain. Mine
>>>>>> stopped working. The cockpit flooded after the last rain.
> Because
>>>>>> the boat is currently floating I`m hesitant to aggressively
> unclog
>>>>>> it. Is it a
>>> valve?
>>>>>> Should I call roto rooter? Thanks.
>>>>>>
>>>>>> Jay Weiss
>>>>>> Hanali R-22
>>>>>> Poughkeepsie, NY
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Sent from Gmail Mobile
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