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Showing results 1 to 25 of 169
Search took 0.01 seconds. Search: Posts Made By: offpist
Forum: Electrical: Batteries, Generators & Solar 03-03-2024, 03:18
Replies: 10
Views: 1,241
Posted By offpist
Re: Alternator: Delco Remy 28SI Clone - performance

Before I installed the Delco 28SI I had two Balmar alternators, one AT200 and one 60 series 140A.

And I can say the Delco 28SI clones produce much more power and runs a lot colder than the two...
Forum: Plumbing Systems and Fixtures 02-03-2024, 17:13
Replies: 24
Views: 6,087
Posted By offpist
Re: Spectra Watermaker Vane Pump Feedback

Can anyone make recommendations for Procon pump in an system with 1 pcs 40" membrane and 10% ERS (making 63LH).

https://marinesmartenergy.com/product/solarmaax-17gph-world-12-volt-watermaker/
...
Forum: Electrical: Batteries, Generators & Solar 20-02-2024, 08:42
Replies: 10
Views: 1,241
Posted By offpist
Re: Alternator: Delco Remy 28SI Clone - performance

I dont like the consept of charging at idle speed, or slightly over like 1000 RPM, so i have tuned the WS500 to charge at only 20% under 1200 RPM.
Dont have any data for you there.

But I do...
Forum: Electrical: Batteries, Generators & Solar 20-02-2024, 04:35
Replies: 10
Views: 1,241
Posted By offpist
Re: Alternator: Delco Remy 28SI Clone - performance

Here is an typical charging session for us. 1 hour motoring to move from one anchorage to another.

Starts out at 400A+ but flats out at 300A, this is at 1800 RPM.
Forum: Electrical: Batteries, Generators & Solar 20-02-2024, 04:29
Replies: 10
Views: 1,241
Posted By offpist
Re: Alternator: Delco Remy 28SI Clone - performance

I have been running two 28SI clones for 2 years now.
Combined charging power of 400A on our Yanmar 4JH4AE.

Running 1 pcs Wakespeeed WS500 and it controlls both 28SI.

I have been gradually...
Forum: Electrical: Batteries, Generators & Solar 15-01-2024, 03:12
Replies: 7
Views: 1,667
Posted By offpist
Re: External Regulator review

I changed all my gear to Victron, and Wakespeed WS500. So I dont have Mastervolt any more.
Forum: Marine Electronics 07-08-2023, 14:32
Replies: 23
Views: 8,837
Posted By offpist
Re: Raymarine AIS650: software collection

I spent many hours on support over both telephone and e-mail with Raymarine in two different countries trying to get these files but there was getting nowhere.

Finally found one guy on Raymarine...
Forum: Marine Electronics 05-08-2023, 23:57
Replies: 23
Views: 8,837
Posted By offpist
Re: Raymarine AIS650: software collection

No that did not work.
I DO have Axiom pro but it seems AIS650 will not update over NMEA2000.
That's why I proceeded to update via PC/USB.

And now after the failed update, its not online on...
Forum: Marine Electronics 05-08-2023, 23:04
Replies: 23
Views: 8,837
Posted By offpist
Re: Raymarine AIS650: software collection

Thanks.

There is an .zip file but it does not contain the files needed to update via SD card.
Forum: Marine Electronics 05-08-2023, 22:19
Replies: 23
Views: 8,837
Posted By offpist
Re: Raymarine AIS650: software collection

I tried to update my AIS 650 from v1.15 to v2.03 via PC and if failed halfway and now my 650 is "bricked". Green led comes on for 1 sec when power on then dark.

I am hoping I can recover it by...
Forum: Electrical: Batteries, Generators & Solar 06-06-2022, 03:19
Replies: 12
Views: 1,727
Posted By offpist
Re: Mastervolt Alpha Pro original with new alternator temp sensor

If you have the Victron Cerbo GX, it does have an option now to control one of the relay outputs related to temp now.

Mount an Victron temp sensor on the Alternator and let the Cerbo control the...
Forum: Electrical: Batteries, Generators & Solar 06-06-2022, 01:02
Replies: 12
Views: 1,727
Posted By offpist
Re: Mastervolt Alpha Pro original with new alternator temp sensor

It works on Alpha PRO II.

But Alpha PRO 1 does not have Masterbus port.. So I doubt this will work.
It will just think the battery is overheating.
Forum: Electrical: Batteries, Generators & Solar 15-08-2021, 06:09
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

I am swapping out my two Mastervolt Alpha Pro II regulators for just ONE Wakespeed WS500 (can handle 30A field current).

They are both the same, with same RPM so should be ok.

At the same time...
Forum: Electrical: Batteries, Generators & Solar 26-06-2021, 22:39
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

Here are some temp readout with 65% output.

I found that the chassi is about 10'C hotter than the + terminal of the rectifier.

I have tested 100% output for very limited time, and i do get...
Forum: Electrical: Batteries, Generators & Solar 13-06-2021, 10:53
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

How hot do you run your Delco?

I installed 2 temp sensors to each alternator.
One on the chassis, and one on the +pole on the rectifier.
And the temperature is actually 10`C more on the chassis,...
Forum: Electrical: Batteries, Generators & Solar 05-06-2021, 12:39
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

Has anyone tested and compared Clone up against the original Delco?

I have one clone of eBay and one original from an local dealer.
Plus, an extra Clone in the spare parts box.


I will do...
Forum: Electrical: Batteries, Generators & Solar 05-06-2021, 01:19
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

When installing the 28SI om motor meant for Saddle Mount (Like Yanmar) you will need to add an spacer.

I fund these to work well.
Hole Size: M10, Length: 20mm...
Forum: Electrical: Batteries, Generators & Solar 04-06-2021, 13:58
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

We used 2.5mm2 x 3 cable with silicone isolation. Two for the Field and the third one for Tach.

Sure, you can just ground one field wire but i play arround with different regulators.

I am...
Forum: Electrical: Batteries, Generators & Solar 24-04-2021, 12:37
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

I am aslo doing an dual 28SI installation my 4JH4-AE.

Waiting for my 50" belt to arrive, as 48" is to short for starboard side.

Using two Mastervolt Alpha Pro II regulators.

Had to have the...
Forum: Electrical: Batteries, Generators & Solar 07-01-2021, 10:36
Replies: 45
Views: 29,321
Posted By offpist
Re: Volvo Penta Alternator Regulation By Mastervolt Alpha Pro II

Henrik B:

I have looked over the settings and you have set "Start reducing @ 50`C" max power is 100%

My settings are "Start Reducing @ 110`C" and Max power 60-70%.
Could be a bit hig, but it...
Forum: Electrical: Batteries, Generators & Solar 07-01-2021, 09:04
Replies: 45
Views: 29,321
Posted By offpist
Re: Volvo Penta Alternator Regulation By Mastervolt Alpha Pro II

Its only used for the regulator to calculate the RPM of the alternator.

You can try to set it to 6 pole pairs and see how that works out.
Forum: Electrical: Batteries, Generators & Solar 07-09-2020, 06:22
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

Well its 200A, so for me I chose 50mm2.
(Both for + and -)

I guess 35mm2 of good quality would also be ok.

It also depends in the lengts, for me its only 1,5 meter.
Then double 70 MM2 from...
Forum: Electrical: Batteries, Generators & Solar 05-09-2020, 12:14
Replies: 126
Views: 31,963
Posted By offpist
Re: Converting Delco 28Si to external regulation

Here is how I did my Yanmar 4JH4AE.

Ome Delco 28SSI and one Balmar AT200.
Both with external regulators.

I added an ekstra roller to the belt allowing for larger alternator in original space.
Forum: Electrical: Batteries, Generators & Solar 15-08-2018, 02:29
Replies: 24
Views: 2,868
Posted By offpist
Re: Get radical by getting simple: a 32kWh LFP house energy system

Can we see some pictures on these aluminum-shell cells?
How do you plan to isolate them from each-other?

I have some experience with Lithium-Ion cells from VW E-UP and they are also...
Forum: Electrical: Batteries, Generators & Solar 16-06-2018, 12:51
Replies: 45
Views: 29,321
Posted By offpist
Re: Volvo Penta Alternator Regulation By Mastervolt Alpha Pro II

Its just not called "belt management".

Mastervolt basically has two options, you can use the "Small motor" feature or the "Maximum output" setting or even an combination of these two to get the...
Showing results 1 to 25 of 169
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