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Re: Mastervolt Alpha High-Output Alternator Temperature when charging LiFePO4
Scott SV Tengah
Dean,
I've been running the MV 110 alternator with my 450AH Victron lifepo4 battery setup for over two years now, nearly full time live aboard. I've had it run at full output from 30% SOC, so that's around 4 hours at full "realistic" output. I talked to a MV tech and they swore up and down that I didn't need to because their alternator can handle lithium just fine, but I still installed the included battery temp monitor onto the alternator and used the MV software to configure it to taper output if temp gets above a certain point. Can't recall that point and I'm not at the boat right now. Note I switched out to the MV AP2 as the AP3 wasn't available in my area when I was installing. Over the last 2+ years, the MV110 has not once suffered power taper due to overheating. It has, of course, tapered due to cell imbalance, which is why I keep harping that people need to understand how their system reacts when the inevitable high SOC, high charge rate induced cell imbalance occurs. On my system, as you know, the BMS just tells the chargers to stop charging, without any disconnect. Hope this gives you some comfort. -- Scott 2007 A54 #69 SV Tengah http://www.svtengah.com |
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Re: Mastervolt Alpha High-Output Alternator Temperature when charging LiFePO4
Hi Dean,
See page six of the added document and the notes on page 13 Regards, Arno Luijten SV Luna, A54-121 |
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Re: 5 piece stuffing box
Danny and Yvonne SIMMS
Hi Bill, I had the same problem and did the same. After a tightening or two in time to come I will add the third. Danny SM 299 Ocean Pearl On 26 April 2021 at 10:23 Bill Kinney <cruisingconsulting@...> wrote: |
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Re: Passageway berth wall fabric cleaning advice
John Clark
Hi Paul, a few years ago we sailed north and had same issue. Cold weather makes a perfect incubator inside a warm boat. For routine cleaning I too use a vinegar-alcohol solution but for tough mildew like this I recommend a product called X-14. It has some kind of chlorine (not bleach) ingredient which wipes out the mildew. Spray it on, let it sit for a minute or two, then wipe off. I have used it on the vinyl fabric inside, leather and vinyl seats outside and on fiberglass with no trouble. Other surfaces I cannot attest to. Regards, John Clark Annie SM #37 St Thomas, USVI On Sun, Apr 25, 2021 at 6:14 PM Paul Guenette via groups.io <paulguenette=icloud.com@groups.io> wrote: Hello, |
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Re: 5 piece stuffing box
Bill Kinney
Eric,
When all else fails.. GET A BIGGER HAMMER! The only thing I missed was the Molycote! Surprising, considering how much I love and use that stuff. I am going to try using Western Pacific Trading's dripless packing. I have always had great success with that in prop shaft applications. I expect that 2 rings of standard packing with about 8mm of dripless packing in between will be a pretty good, and nearly permanent, solution. Bill Kinney SM160, Harmonie Hollywood, Florida, USA |
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Re: Passageway berth wall fabric cleaning advice
Hi Paul,
Using a spray bottle, I spray the fabric with a mild vinegar solution and use a scrub brush. Then, I shop-vac it dry. Repeat until clean. Afterward, rinse with plain water and shop-vac dry again. This method has removed almost all stains on Amel fabrics.
With best regards,
Mark
Skipper Sailing Vessel - Cream Puff - SM2K - #275 Currently cruising - Tahiti, French Polynesia www.creampuff.us
From:
main@AmelYachtOwners.groups.io [mailto:main@AmelYachtOwners.groups.io] On
Behalf Of Paul Guenette via groups.io
Hello, |
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Re: Passageway berth wall fabric cleaning advice
Germain Jean-Pierre
Hello Paul,
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We have this problem as well. Solved with a commercial product called Exit Mould. Good luck Jean-Pierre Germain, Eleuthera, SM007 On 26/04/2021, at 10:14 AM, Paul Guenette via groups.io <paulguenette@...> wrote:
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Re: Passageway berth wall fabric cleaning advice
Start with Vinegar 50/50 mix with water soak well if that doesn’t work try Barkeepers Friend
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Cheers On Apr 25, 2021, at 6:14 PM, Paul Guenette via groups.io <paulguenette@...> wrote:
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Re: 5 piece stuffing box
eric freedman <kimberlite@...>
HI Bill. I use a piece of PVC pipe probably 2 inch. I take a small sledge hammer and with molycote the inside walls of the stuffing box I pound each piece of packing one at a time in place. This works for me. Fair Winds Eric Kimberlite Amel Super Maramu #376
From: main@AmelYachtOwners.groups.io On Behalf Of Bill Kinney
Also with the dual caveats that this might be confusing, and that this is a report of success, NOT advice... |
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Re: Mastervolt Alpha High-Output Alternator Temperature when charging LiFePO4
On Mon, Apr 26, 2021 at 02:59 AM, Dominique Sery wrote:
I'm going to the boat in 3 weeks to install the lithium batteries. Hi Dominique,
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Re: 5 piece stuffing box
Bill Kinney
Also with the dual caveats that this might be confusing, and that this is a report of success, NOT advice...
Like many Amel owners, when it was finally time to repack our rudder I was very frustrated with the fit of the standard packing. No matter how hard I worked it, with all the tricks that have been discussed here--and a few more--I could not get the packing compressed enough to get enough threads on the plastic nut engaged to properly torque it down. Applying all the torque I could without stripping threads wasn't enough: It leaked in a seaway. With another passage coming up quickly, and fresh out of ideas and time, I was getting desperate, and desperate times call for desperate measures. Figuring that doing nothing wasn't an option, I tried the last thing I could think of: I ripped out the top piece of packing, and tightened the nut down hard on the remaining two. Success! No leaks--not a drop--even in some pretty rough sailing. Two well fit, tightly compressed rings of packing did a much better job of keeping the ocean on the outside of the boat than three lightly compressed rings. I am not at all sure this is a satisfactory long term solution, but it got us where we needed to go and kept us dry. I have ONE more trick up my sleeve that I want to try on this. I'll report back here if it works... Bill Kinney SM160, Harmonie Hollywood, Florida, USA |
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Re: Mastervolt Alpha High-Output Alternator Temperature when charging LiFePO4
On Mon, Apr 26, 2021 at 12:36 AM, Arno Luijten wrote:
I've seen publications where they do advise to put a sensor on the alternator. Arno, that's exactly what I'm looking for. Do you recall where you read such advice? I'd like to understand more. I'm going down the Victron path, and if I REALLY must change my regulator, then I am more interested in a CAN-Bus device like the WakeSpeed product ... but that's whole new can of worms 🤔
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Passageway berth wall fabric cleaning advice
Paul
Hello,
I am looking for some advice on cleaning the fabric on the wall of the passage way berth. I spent this past winter in the Pacific North West. While in Comox BC Canada I have been using a dehumidifier and also using the exhaust fan while using the propane stove to help reduce moisture in the boat. Over the course of the last six months the fabric on the walls of the passageway berth has started to get a little discolored in some spots. Attached are a couple of photos. I am wondering what products and methods of cleaning others have used on this fabric. I appreciate your advice and feed back. Thank you, Paul Aramis SM-2K 444 Comox, BC, Canada 
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Re: Mastervolt Alpha High-Output Alternator Temperature when charging LiFePO4
Dominique Sery <dominiquesery@...>
Dean,
I'm going to the boat in 3 weeks to install the lithium batteries. Then I will check the functioning of the whole system (alternator, chargers, inverter ...) with temperature readings of the alternator, batteries and cables. I will then be able to tell you more. Dominique Irko currently at Kilada in Greece A54#16 |
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Re: Raspberry Pi
Bill Kinney
I use an R-pi4 to collect, save (using InfluxDB) , and display data (using Grafana) from my Victron system while we are off grid and unconnected to the internet. It draws very little power itself, and was scary cheap, even with a 250GB SSD to hold data. I installed it without its own display and keyboard, just looking at data with a wireless connection from my computer or tablet.
I'm not a huge computer nerd, and would just assume avoid those kinds of details, but it wasn't that hard to configure with suitable internet tutorials holding my hand. Victron's level of support for things like this that are officially "unsupported" is great. https://github.com/victronenergy/venus-docker-grafana Bill Kinney SM160, Harmonie Hollywood, FL, USA |
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Re: Volvo D3
Arno, yes. See the sensor photos Stefan posted earlier...That is the correct one. Bill
On Sun, Apr 25, 2021 at 9:41 AM Arno Luijten <arno.luijten@...> wrote: Bill, |
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Re: Volvo D3
Bill,
I looked a bit more close at your picture. It shows a hexagonal shape in the background, implying this device is threaded. My guess is you are confusing the oil-pressure or temperature sender with the turbo-pressure sender. Regards, Arno Luijten SV Luna, A54-121 |
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Re: Mastervolt Alpha High-Output Alternator Temperature when charging LiFePO4
When you change the alternator controller from the original AlphaPro to a AlphaPro II or AlphaPro III you will find an enclosed temp sensor in the package. You can configure the alternator controller to have the temp sensor monitor the alternator instead of the batteries.
In my case I also added a Mastershunt to the system. This shunt also comes with a sensor and broadcasts the battery temperature across the Masterbus network. This way you can feed both the battery and alternator temperature to the AlphaPro. It also enables some more control over the AphaPro. I'm not at the point of installing Lithium given the charge/discharge/SOC complexity but I did prepare my electric system as far as I could to install Lithium at some point in the future. Mastervolt is very much double in it's advice to monitor the alternator temperature. I've seen publications where they do advise to put a sensor on the alternator. In my case it was simple as it did not require additional things to buy. Knowing the alternator temperature is also useful to anticipate on some of the problems that may develop (worn out bearings etc.) Regards, Arno Luijten, SV Luna, A54-121 |
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Re: Volvo D3
Thanks, Stefan!
On Sun, Apr 25, 2021 at 9:12 AM Stefan Schaufert <mail@...> wrote: This is how it looks like on A54 #119: |
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Re: Mastervolt Alpha High-Output Alternator Temperature when charging LiFePO4
Hi Dominique, However, Mastervolt state very clearly in their documentation that this sensor is not needed with the Mastervolt alternator. What I really want to know is whether their statement is true in practice when charging Lithium batteries. |
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