Date   

Re: Tips appreciated: Major frustration trying to pull cable through Mizzen.

Annsofie & Jonas Svanberg
 

Main

Ann-Sofie & Jonas
S/Y Lady Annila, SM232, 1998

Skickat från min iPhone

3 aug. 2020 kl. 10:03 skrev Scott SV Tengah <Scott.nguyen@...>:

Yes, that's what our foam pieces look like too. 

This is for your mizzen or main? Thanks!


--
Scott 
2007 A54 #69
SV Tengah
http://www.svtengah.com


Re: Tips appreciated: Major frustration trying to pull cable through Mizzen.

Scott SV Tengah
 

Yes, that's what our foam pieces look like too. 

This is for your mizzen or main? Thanks!


--
Scott 
2007 A54 #69
SV Tengah
http://www.svtengah.com


Re: Tips appreciated: Major frustration trying to pull cable through Mizzen.

Annsofie & Jonas Svanberg
 

Hi Scott
This is what we found inside our mast when we had it down for maintanance.
All guide lines had loosened from the top and had fallen down inside the mast. Each line had a lot of soft closed cell pieces tighed on the lines probably to prevent noice. We hade never managed to get this out with the mast standing up.
The second channel is still jammed probably for the same reason


Hälsningar
Ann-Sofie & Jonas
S/Y Lady Annila, SM232, 1998


Skickat från min iPhone

3 aug. 2020 kl. 08:58 skrev Scott SV Tengah <Scott.nguyen@...>:

We just spent two days trying to get two cable pulled through the mizzen without any success. I saw a few threads about it but it seems we must be doing something wrong.

For our A54, there are two cable channels that seem to be built as part of the mizzen mast (one starboard, one port), leading to two small circular forward facing openings that you access through an inspection hatch located on the port side of the mast. No matter what we did, we couldn't pull cables through the mast. Things we've tried, all with unterminated cable:

- taped the new VHF/AIS cable to the old one at the masthead and tried to pull down. It went about halfway then got completely jammed to the point where we pulled so hard that the old VHF/AIS cable ripped in half.
- tried pulling the cables using the Amel installed nylon mousing lines from the mast base. We literally could not get the vhf/ais cable more than 5cm past the port side channel opening before it jammed up on something.-
- as a followup to this, we tried to tie a similarly thin 1.5mm line to the Amel mousing line at the mastbase and tried to pull it up the mast. Again, we couldn't get the 1.5mm line more than 5cm up the mast! 

Each of the two conduits has two mousing lines in it. One of the mousing lines has a few 2-3cm cylindrical foam gaskets (like the ones on our Goiot port lights) tied perpendicular to the mast. Any idea what these are for? There is clearly something inside the mast that is jamming the line, but I can't figure out what it is. 

FYI here are the two cables we are trying to pull through:

(1) RG8X replacement wire for a replacement AIS antenna
(2) GBC400 Iridium Go antenna lead (10mm!)

I think I'm going to give up on the second cable due to the thickness but I'm about to give up on the first one, too!

Any tips appreciated.


--
Scott 
2007 A54 #69
SV Tengah
http://www.svtengah.com


Tips appreciated: Major frustration trying to pull cable through Mizzen.

Scott SV Tengah
 

We just spent two days trying to get two cable pulled through the mizzen without any success. I saw a few threads about it but it seems we must be doing something wrong.

For our A54, there are two cable channels that seem to be built as part of the mizzen mast (one starboard, one port), leading to two small circular forward facing openings that you access through an inspection hatch located on the port side of the mast. No matter what we did, we couldn't pull cables through the mast. Things we've tried, all with unterminated cable:

- taped the new VHF/AIS cable to the old one at the masthead and tried to pull down. It went about halfway then got completely jammed to the point where we pulled so hard that the old VHF/AIS cable ripped in half.
- tried pulling the cables using the Amel installed nylon mousing lines from the mast base. We literally could not get the vhf/ais cable more than 5cm past the port side channel opening before it jammed up on something.-
- as a followup to this, we tried to tie a similarly thin 1.5mm line to the Amel mousing line at the mastbase and tried to pull it up the mast. Again, we couldn't get the 1.5mm line more than 5cm up the mast! 

Each of the two conduits has two mousing lines in it. One of the mousing lines has a few 2-3cm cylindrical foam gaskets (like the ones on our Goiot port lights) tied perpendicular to the mast. Any idea what these are for? There is clearly something inside the mast that is jamming the line, but I can't figure out what it is. 

FYI here are the two cables we are trying to pull through:

(1) RG8X replacement wire for a replacement AIS antenna
(2) GBC400 Iridium Go antenna lead (10mm!)

I think I'm going to give up on the second cable due to the thickness but I'm about to give up on the first one, too!

Any tips appreciated.


--
Scott 
2007 A54 #69
SV Tengah
http://www.svtengah.com


Re: File /disk brake A54 slipping shaky.mov uploaded

Ralph Heilig
 

Thank's Bill, Courtney, Porter,

it realy looks like something is broken. Maud already shipped the new brake pads, which I will change anyhow when I remove the brake (picture below). I hope to get them this week and then next week demount the brake and inspect.

The tip's with the coin or washer are great, but in my case, when you watch the video, there seems to be something broken. I don't think that's normal, that you can move the whole brake like this. The video was made with the engine NOT running and the ram out at max 60mm.

Ralph
Santa Isabella, A54, #144


Re: File /disk brake A54 slipping shaky.mov uploaded

Porter McRoberts
 

We epoxied in a washer.  Great service for 10k NM. Don’t see a reason to change. 
Porter
Ibis 54-152


On Aug 2, 2020, at 4:38 PM, Courtney Gorman via groups.io <Itsfun1@...> wrote:

If the pads are not pressing enough A short-term fix is to place a quarter or similar coin where the ram press is to engage the brakes this will stop your shaft from spinning while Sailing and get rid of the irritating noise


On Aug 2, 2020, at 1:28 PM, Ralph Heilig <ralph.heilig@...> wrote:



[Edited Message Follows]

Thank you Bill for your feedback!

I have ordered new brake pads from Maud. I also sent the video and waiting for a feedback.

I wanted to remove the whole brake but I have NO experience with hydraulics. Do I need a specialist for the hydraulic line to remove and remount? My fear is, if I decouple the hydraulic line from the braker I will lose hydraulic oil and air will get into the system. Also the two screws, that hold the brake on the bar look pretty hard to access.

So until now I could not evaluate the reason for the shaking. It is hard to find a marine mechanic in Italy with hydraulic disk brake know how....something very special.

Ralph


Re: File /disk brake A54 slipping shaky.mov uploaded

 

Ralph,

I can explain the hydraulic part to you. The brake release hydraulic cylinder gets the hydraulic fluid and pressure from the ZF Hurth reversing transmission mounted on the main engine output. There is a bleed screw on the cylinder that you cannot miss. You will want to bleed all air from the cylinder, replacing lost fluid by adding it to the ZF Hurth reversing transmission. Probably any engine mechanic will have no problem helping you. 

I would be surprised if Maud helps you diagnose your problem from the video. One more issue is that the last time one of my clients tried to order the style brake pads that you have, he was told by Amel that these are no longer available and the only thing my client could do is order the entire new brake unit (photo in my previous email). This new brake unit does not fit exactly the same pattern as the older one, so there are some minor modifications needed to install the new one, again an engine mechanic will be able to help. 

I looked at the video again. I believe that there is something mechanically wrong and it has nothing to do with hydraulics, or worn brake shoes (which look good in the video). Possibly you would see the problem if you removed the bolt circled in the photo below. Maybe it is something simple.
image.png
CW Bill Rouse Amel Owners Yacht School
Address: 720 Winnie, Galveston Island, Texas 77550 
View My Training Calendar


On Sun, Aug 2, 2020 at 12:28 PM Ralph Heilig <ralph.heilig@...> wrote:

[Edited Message Follows]

Thank you Bill for your feedback!

I have ordered new brake pads from Maud. I also sent the video and waiting for a feedback.

I wanted to remove the whole brake but I have NO experience with hydraulics. Do I need a specialist for the hydraulic line to remove and remount? My fear is, if I decouple the hydraulic line from the braker I will lose hydraulic oil and air will get into the system. Also the two screws, that hold the brake on the bar look pretty hard to access.

So until now I could not evaluate the reason for the shaking. It is hard to find a marine mechanic in Italy with hydraulic disk brake know how....something very special.

Ralph


Re: File /disk brake A54 slipping shaky.mov uploaded

Courtney Gorman
 

If the pads are not pressing enough A short-term fix is to place a quarter or similar coin where the ram press is to engage the brakes this will stop your shaft from spinning while Sailing and get rid of the irritating noise


On Aug 2, 2020, at 1:28 PM, Ralph Heilig <ralph.heilig@...> wrote:



[Edited Message Follows]

Thank you Bill for your feedback!

I have ordered new brake pads from Maud. I also sent the video and waiting for a feedback.

I wanted to remove the whole brake but I have NO experience with hydraulics. Do I need a specialist for the hydraulic line to remove and remount? My fear is, if I decouple the hydraulic line from the braker I will lose hydraulic oil and air will get into the system. Also the two screws, that hold the brake on the bar look pretty hard to access.

So until now I could not evaluate the reason for the shaking. It is hard to find a marine mechanic in Italy with hydraulic disk brake know how....something very special.

Ralph


Re: File /disk brake A54 slipping shaky.mov uploaded

Ralph Heilig
 
Edited

Thank you Bill for your feedback!

I have ordered new brake pads from Maud. I also sent the video and waiting for a feedback.

I wanted to remove the whole brake but I have NO experience with hydraulics. Do I need a specialist for the hydraulic line to remove and remount? My fear is, if I decouple the hydraulic line from the braker I will lose hydraulic oil and air will get into the system. Also the two screws, that hold the brake on the bar look pretty hard to access.

So until now I could not evaluate the reason for the shaking. It is hard to find a marine mechanic in Italy with hydraulic disk brake know how....something very special.

Ralph


Re: File /disk brake A54 slipping shaky.mov uploaded

 

Ralph,

I saw your uploaded video.

I believe that either the nut circled in the below photo is loose, or the caliper frame next to the hydraulic ram is broken.
image.png

The caliper you have is no longer available and replaced by the same manufacturer with this one:
image.png

Contact SAV@...

Bill
CW Bill Rouse Amel Owners Yacht School
Address: 720 Winnie, Galveston Island, Texas 77550 
View My Training Calendar


On Sun, Aug 2, 2020 at 11:20 AM main@AmelYachtOwners.groups.io Notification <main@amelyachtowners.groups.io> wrote:

The following files have been uploaded to the Files area of the main@AmelYachtOwners.groups.io group.

By: ralph.heilig

Description:
A54 #144 disk brake is shaky, slipping in 6 kts +,


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SM 299

Ocean Pearl


Re: Onan Generator exhaust temperature switch - great price.

rossirossix4
 

I'll take one.  Bob Rossi, KAIMI  SM 429


Re: A54 Refrigeration Cooling Water Circulation Pump - Brushless Motor

Jamie Wendell
 

OK got it.


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Re: A54 Refrigeration Cooling Water Circulation Pump - Brushless Motor

Oliver Henrichsen, SV Vela Nautica
 

Hi Jamie,

I think this is now a personal message? 

Anyway to avoid issues with the forum I think its better to discuss the technical details via Email. 
Please contact me under :


Oliver from Vela Nautica Amel54 #39 
Martinique 

On Sat, Aug 1, 2020, 12:29 Jamie Wendell <mysticshadow54@...> wrote:
Oliver, are you going to market and produce the custom board you show in your video? If you can help me better understand what you are saying, I am assuming the following:
  1. You developed and have built a board that integrates the functions of the VESC with a VESC interface signal controller and now the N2K interface for the temperature sensors - an all-in-one board that will drive the BLDC motor directly via 3 temperature inputs that can be read on our standard NMEA 2000 bus?
  2. You will provide that to us Amelians if we want to order one from you, and if so, are you ready to sell the board you created and provide us wiring diagrams, etc.?
Are you still developing it? I can make what I am doing work, but certainly an all-in-one board would be far better than having a bunch of connected parts. I really want to keep it simple, but having the ability to read the temperatures over my N2K bus would really be a big plus. Doing so would allow us to be sure the pump is running and the refrigerators are not failing from a loss of coolant flow. I have digital readouts that give me visual temperature displays, but they are local only.
Thanks,

Jamie
Phantom A54 #44


Re: A54 Refrigeration Cooling Water Circulation Pump - Brushless Motor

 

I really hate to do this, but I am going to limit the number of posts to this thread to 15 total. 

Jamie, you and Oliver are halfway there and all of your posts are more or less brainstorming between only 2 people. I had a lot of complaints the last time where we had something approaching 100 posts on this subject, and as you know, there was never a solution except in one person's mind.

I am sure there are a lot of owners that want your final solution. I would love to see it, as well.


CW Bill Rouse Amel Owners Yacht School
Address: 720 Winnie, Galveston Island, Texas 77550 
View My Training Calendar


On Sat, Aug 1, 2020 at 11:29 AM Jamie Wendell <mysticshadow54@...> wrote:
Oliver, are you going to market and produce the custom board you show in your video? If you can help me better understand what you are saying, I am assuming the following:
  1. You developed and have built a board that integrates the functions of the VESC with a VESC interface signal controller and now the N2K interface for the temperature sensors - an all-in-one board that will drive the BLDC motor directly via 3 temperature inputs that can be read on our standard NMEA 2000 bus?
  2. You will provide that to us Amelians if we want to order one from you, and if so, are you ready to sell the board you created and provide us wiring diagrams, etc.?
Are you still developing it? I can make what I am doing work, but certainly an all-in-one board would be far better than having a bunch of connected parts. I really want to keep it simple, but having the ability to read the temperatures over my N2K bus would really be a big plus. Doing so would allow us to be sure the pump is running and the refrigerators are not failing from a loss of coolant flow. I have digital readouts that give me visual temperature displays, but they are local only.
Thanks,

Jamie
Phantom A54 #44


Re: A54 holding tank drain seasock

Peter de Groot
 

Hi Mike
I just went through the similar fix on SM207
We cut away the bottom half of the discharge funnel to be able to remove the stupid hose. Then we glassed in a fiberglass round tube, and reattached the bottom of the funnel
Nasty job for sure. But it beats find your holding tank contents flowing back through a leaking joker valve


Peter de Groot
La Querida sm207
Moss landing CA


Re: A54 Refrigeration Cooling Water Circulation Pump - Brushless Motor

Jamie Wendell
 

Oliver, are you going to market and produce the custom board you show in your video? If you can help me better understand what you are saying, I am assuming the following:
  1. You developed and have built a board that integrates the functions of the VESC with a VESC interface signal controller and now the N2K interface for the temperature sensors - an all-in-one board that will drive the BLDC motor directly via 3 temperature inputs that can be read on our standard NMEA 2000 bus?
  2. You will provide that to us Amelians if we want to order one from you, and if so, are you ready to sell the board you created and provide us wiring diagrams, etc.?
Are you still developing it? I can make what I am doing work, but certainly an all-in-one board would be far better than having a bunch of connected parts. I really want to keep it simple, but having the ability to read the temperatures over my N2K bus would really be a big plus. Doing so would allow us to be sure the pump is running and the refrigerators are not failing from a loss of coolant flow. I have digital readouts that give me visual temperature displays, but they are local only.
Thanks,

Jamie
Phantom A54 #44


Re: A54 Refrigeration Cooling Water Circulation Pump - Brushless Motor

Jamie Wendell
 

Thanks Oliver. Yes, I did see your posting, but I did not see any details about the controller you built.
Appreciate the tip about the ADUM and the reliability issues. I am looking but cannot find anything when I search.
What new motor are you using?
Jamie
Phantom A54 #44