[Edited Message Follows]

Hello Ian,

I also had problems with that system in my Sharki.
At present I am testing a new tech from one of my tech partners. It is an optical based on diodes.
I have installed 2 optical sensors into the bilge. One is for activeting the pump Instaled in the lower part of the bilge) and the other one is for the alarm (instaled at half part of the bilge)
You can see the system in this video. I speak in spanish. promise to add english subtitles soon :-)
If you are interested I can send  you technical and commercial information.


All the best

Diego de Miguel
Sailing Living Lab

ACROBAT II, Sharki 52

On Apr 20, 2020, at 2:51 PM, CW Bill Rouse <brouse@...> wrote:

FYI, Dessalator originally made the membrane tube end caps out of white nylon. Emek copied Dessalator. Dessalator's choice of Nylon proved to be the wrong choice. Dessalator later made end caps from a harder material which was black. I am not sure of what the black material is, but, in my experience is that there have been very few issues with the Dessalator black end caps.
--

 

Best,

 

CW Bill Rouse
Amel Owners Yacht School
720 Winnie St
Galveston Island, TX 77550
+1(832) 380-4970

My Calendar 

On 21 April 2020 at 09:33 Arno Luijten <arno.luijten@...> wrote:

I find the endcaps extremely poorly designed and made in such a way that removal because a needlessly complicated struggle. Even the black ones are silly expensive and prone to deterioration over time. The plastic becomes soft at the inside where it's exposed to salt water.

I'm sure there must be better designs for this.

Regards,

Arno Luijten
SV Luna,
A54-121
 

On 21 Apr 2020, at 14:00, Kevin Cole <jkcsail@...> wrote:

Hi all,

We had the problem of corrosion on the membrane tubes last year with exploded end caps and frame. I had called around with little help and happened to find any tubes I could find. I found that any water maker manufacturer that offered stand alone tubes works. We found some from Village Marine. Plumbing is basically the same, water in water out. Easy to do.

Kevin Cole

SV Anahita

SM2 # 276

Currently standing by on our second boat in Sausalito CA GB32 "Bout time"

On Mon, Apr 20, 2020 at 6:20 PM Danny and Yvonne SIMMS <simms@...> wrote:

Hi JP, have you tried the desalator agents in Auckland NZ.

Danny

SM 299

Ocean Pearl

On 21 April 2020 at 06:55 Germain Jean-Pierre <jp.germain45@...> wrote:

Hi Bill,

Thanks.  I also took the entire holder to the shop… to verify the interior measurements.  I suspect the new ones will be made to a closer tolerance.

Dessalator after sales service has been non existent. 

Cheers,

Jean-Pierre Germain

jp.germain45@...

On 21 Apr 2020, at 06:51, CW Bill Rouse < brouse@...> wrote:

FYI, Dessalator originally made the membrane tube end caps out of white nylon. Emek copied Dessalator. Dessalator's choice of Nylon proved to be the wrong choice. Dessalator later made end caps from a harder material which was black. I am not sure of what the black material is, but, in my experience is that there have been very few issues with the Dessalator black end caps.
--

 

Best,

 

CW Bill Rouse
Amel Owners Yacht School
720 Winnie St
Galveston Island, TX 77550
+1(832) 380-4970

My Calendar 

 

 

On 21 Apr 2020, at 13:19, Danny and Yvonne SIMMS <simms@...> wrote:

Hi JP.

locked down a day sail North of you but in my home on the shores of Mill Bay Mangonui.

We have the duo 60 We had one end cap split where the joining tube between the end caps enters but the 0 ring still did its job and we didn't get a spray of water. I discovered the split when changing membranes. For simplicity I took the cap to a local NZ machine shop, he identified the material and made me a new one. Having said all that we have had no leak problems and believe with careful placement of the correct size 0 rings in all situations (To be sure of size  I get mine from desalator) and judicious tensioning  of the through bolts ensuring even tightness I doubt you should have a problem. Wrong 0 rings and or unequal tension and there may well be issues. The through bolts do not need to be particularly tight, they are just holding the end caps in place, the 0 rings stop the water. When putting the end caps in care has to be taken to ensure the 0 ring doesn't ride up out of its groove. I put a large cable tie over the o ring to hold it close in until it enters.

Kind Regards

Danny

SM 299

Ocean Pearl 

On 21 April 2020 at 06:44 Germain Jean-Pierre <jp.germain45@...> wrote: 

Hi Eric, 

I had a pair of white end caps made by EMEK marine and these were not good. (I discarded them after just looking at them)  But even from the factory, immediately after installation, the black ones leaked and were badly drilled out.  Dessalator refused to replace under warranty even when supplied with photos….

I took a well turned end piece to a NZ shop and had a dozen made locally; they are done but I cannot pick them up due to lockdown…. Other Amel owners participated to a small group buy.  (About 60% of Dessalator price without delivery and GST costs)

What I’m most interested in is any modifications done to the tubes, end pieces or complete replacement of the Duo 100 membrane setup to deal with too many leaks.  

Kind regards,

Jean-Pierre Germain, SY Eleuthera, SM007, NZ

jp.germain45@...

On 21 Apr 2020, at 06:31, eric freedman < kimberlite@...> wrote:

Hi Jean-Pierre, 

Did you have white colored end caps? If you did not and have the black end caps, 

what modifications did you do to the new end caps? 

Fair Winds 

Eric 

Amel Super Maramu #376 

  

  

From:  main@AmelYachtOwners.groups.io [mailto:main@AmelYachtOwners.groups.io] On Behalf Of Germain Jean-Pierre
Sent: Monday, April 20, 2020 2:16 PM
To: main@amelyachtowners.groups.io
Subject: Re: [AmelYachtOwners] ZOOM Meeting Technical Questions: #ZOOM 

 

Hello Bill,

 

I’d like to address the subject of the Dessalator membrane holders.  I consider them under engineered, especially the end caps.  (Duo60 and Duo 100 models)

 

I’ve had a NZ shop replicate the end caps but due to Covid-19, I’ve been unable to pickup the parts and complete a change over.

 

Has anyone modified the tubes or manufactured a different type of membrane system?  

 

Kind regards,

 

 

Jean-Pierre Germain, SY Eleuthera, SM007, New Zealand.

jp.germain45@...

 

 

On 21 Apr 2020, at 05:41, CW Bill Rouse < brouse@...> wrote:

 

For those planning to attend the ZOOM meeting, please post questions to the Topic " ZOOM meeting technical questions" by replying to this email.

Tilo Peters will likely respond to these technical questions. 
--  

 

Best,

  

CW Bill Rouse
Amel Owners Yacht School 
720 Winnie St
Galveston Island, TX 77550 
+1(832) 380-4970 

My Calendar  

<image001.jpg>

 

 

 

 

On 21 April 2020 at 06:55 Germain Jean-Pierre <jp.germain45@...> wrote:

Hi Bill,

Thanks.  I also took the entire holder to the shop… to verify the interior measurements.  I suspect the new ones will be made to a closer tolerance.

Dessalator after sales service has been non existent. 

Cheers,

Jean-Pierre Germain

jp.germain45@...

On 21 Apr 2020, at 06:51, CW Bill Rouse < brouse@...> wrote:

FYI, Dessalator originally made the membrane tube end caps out of white nylon. Emek copied Dessalator. Dessalator's choice of Nylon proved to be the wrong choice. Dessalator later made end caps from a harder material which was black. I am not sure of what the black material is, but, in my experience is that there have been very few issues with the Dessalator black end caps.
--

 

Best,

 

CW Bill Rouse
Amel Owners Yacht School
720 Winnie St
Galveston Island, TX 77550
+1(832) 380-4970

My Calendar 

On 21 April 2020 at 06:44 Germain Jean-Pierre <jp.germain45@...> wrote:

Hi Eric, 

I had a pair of white end caps made by EMEK marine and these were not good. (I discarded them after just looking at them)  But even from the factory, immediately after installation, the black ones leaked and were badly drilled out.  Dessalator refused to replace under warranty even when supplied with photos….

I took a well turned end piece to a NZ shop and had a dozen made locally; they are done but I cannot pick them up due to lockdown…. Other Amel owners participated to a small group buy.  (About 60% of Dessalator price without delivery and GST costs)

What I’m most interested in is any modifications done to the tubes, end pieces or complete replacement of the Duo 100 membrane setup to deal with too many leaks.  

Kind regards,

Jean-Pierre Germain, SY Eleuthera, SM007, NZ

jp.germain45@...

On 21 Apr 2020, at 06:31, eric freedman < kimberlite@...> wrote:

Hi Jean-Pierre,

Did you have white colored end caps? If you did not and have the black end caps,

what modifications did you do to the new end caps?

Fair Winds

Eric

Amel Super Maramu #376

 

 

From:  main@AmelYachtOwners.groups.io [mailto:main@AmelYachtOwners.groups.io] On Behalf Of Germain Jean-Pierre
Sent: Monday, April 20, 2020 2:16 PM
To: main@amelyachtowners.groups.io
Subject: Re: [AmelYachtOwners] ZOOM Meeting Technical Questions: #ZOOM

 

Hello Bill,

 

I’d like to address the subject of the Dessalator membrane holders.  I consider them under engineered, especially the end caps.  (Duo60 and Duo 100 models)

 

I’ve had a NZ shop replicate the end caps but due to Covid-19, I’ve been unable to pickup the parts and complete a change over.

 

Has anyone modified the tubes or manufactured a different type of membrane system?  

 

Kind regards,

 

 

Jean-Pierre Germain, SY Eleuthera, SM007, New Zealand.

jp.germain45@...

 

 

On 21 Apr 2020, at 05:41, CW Bill Rouse < brouse@...> wrote:

 

For those planning to attend the ZOOM meeting, please post questions to the Topic " ZOOM meeting technical questions" by replying to this email.

Tilo Peters will likely respond to these technical questions.
--  

 

Best,

 

CW Bill Rouse
Amel Owners Yacht School
720 Winnie St
Galveston Island, TX 77550
+1(832) 380-4970

My Calendar 

<image001.jpg>

 

 

On Apr 20, 2020, at 8:04 PM, eric freedman <kimberlite@...> wrote:

Hi Tom,

Do you have any Idea when you will attempt to get back to your boat? Where  is she?

I might be flying into STT to get to SXM.

Fair Winds

Eric

Amel Super Maramu #376

 

 

From: main@AmelYachtOwners.groups.io [mailto:main@AmelYachtOwners.groups.io] On Behalf Of Thomas Peacock
Sent: Monday, April 20, 2020 2:36 PM
To: main@amelyachtowners.groups.io
Subject: Re: [AmelYachtOwners] Excessive usage of water maker membranes

 

Hi Eric,

 

No idea. Need to be on more intimate terms with the governor. I heard today from the dockmaster in the marina where Aletes is that a captain of a mega yacht flew in, told the authorities that he was going to quarantine on his boat. They told him no way, and he is now spending 14 days at the airport hotel. Not what he had planned.

On Apr 19, 2020, at 8:50 PM, eric freedman <kimberlite@...> wrote:

 

Hi Tom,

Have you heard when they are lifting the quarantine on puerti Rico?

Fair Winds

Eric

Amel Super Maramu #376

 

 

From: main@AmelYachtOwners.groups.io [mailto:main@AmelYachtOwners.groups.io] On Behalf Of Thomas Peacock
Sent: Sunday, April 19, 2020 12:13 PM
To: main@amelyachtowners.groups.io
Subject: Re: [AmelYachtOwners] Excessive usage of water maker membranes

 

My only thought is like others, make certain that there is no chlorine. Obviously, there shouldn’t be if all you do is make RO water. Do you ever put water in the tank from the marina? We often have both RO and shore water, tough to tell how much chlorine, although you can buy test strips. I will sometimes flush with a couple of gallons of RO water drawn from the control panel tap, rather than flush with water from the tank.

 

Assuming the above is useless advice, you might try looking at  https://www.genesysro.com/uploads/docs/STUDY%20OF%20THE-PHYSICAL-AND-CHEMICAL-DAMAGE-ON-REVERSE-OSMOSIS-MEMBRANES-DETECTED-BY-AUTOPSIES-NURIA.pdf

 

This details some of what can go wrong, including post-mortem pictures. Interestingly, there are several causes for physical damage to the membranes (as opposed to chemical) that might have some bearing on your issue.

 

Tom Peacock

SM 240 Aletes, San Juan PR

Waiting to fly back down to PR next month

 

On Apr 18, 2020, at 8:21 PM, Mark Erdos <mcerdos@...> wrote:

 

I need a little help with water maker usage and maintenance, please.

 

Cream Puff has a 24v D60 water-maker. My problem is we seem to be going through membranes at the rate of a pair a year. I have read where others have used the same set of membranes for years and still get drinkable water. This is not the case with us. We are in our 5th year of full time cruising and are now on our 6th set of membranes. 

 

When I last change membranes in Colombia, this was about March 2019. Our current membranes are just over a year old. The PPMs are starting to creep up a bit now and we have gone from the 300 range to the 500 range. We notice a change in drinking quality over 600 PPMs. This is when we usually change the membranes. 

 

We run the water-maker at least once a week when in a marina, flush it with the fresh water rinse. I have a double charcoal filter set up for the tank rinse. When on anchor it is run just about every day. I am careful to watch the pressure and water making float gauge. I normally set it at 55 liters per hour and this put the pressure in lower side of the green range. 

 

Any ideas why our membranes are not lasting or why our PPMs creep up? 

 

 

With best regards,

 

Mark

 

Skipper

Sailing Vessel - Cream Puff - SM2K - #275

Currently cruising - Tahiti, French Polynesia

www.creampuff.us

 

 

 

Hi Eric,

For what it's worth, I was talking to a coast guard guy about rafts recently. I was about to replace my 6 person zodiac with another 6 person raft. He cautioned that most bail out injuries happen after you're in the raft getting thrown around. He said 2 people in a 4 person raft was probably safer as you tend not to be propelled from one side to the other. It's also lighter obviously when deploying it.

Thomas Kleman
SV L'ORIENT
SM2K 422
Oahu