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Search took 0.09 seconds. Search: Posts Made By: joe_db
Forum: Drive Train / Propellers Yesterday, 05:41 PM
Replies: 12
Views: 200
Posted By joe_db
I ran 100LL one winter to get around ethanol...

I ran 100LL one winter to get around ethanol issues and besides for smelling different, the engine ran the exact same on 100 octane as on 87.
Forum: Drive Train / Propellers 04-10-2024, 02:39 PM
Replies: 12
Views: 200
Posted By joe_db
If the engine was underpropped I would be hitting...

If the engine was underpropped I would be hitting 3500 RPM or so. Being held under redline is murder on diesels, but the A4 can take it.
Forum: Drive Train / Propellers 04-10-2024, 02:38 PM
Replies: 12
Views: 200
Posted By joe_db
Judging by the noise and manifold vacuum, it...

Judging by the noise and manifold vacuum, it probably takes me twice the gas to go 6.5 knots as 6. The last bit takes all the power.
Forum: Drive Train / Propellers 04-09-2024, 08:01 AM
Replies: 12
Views: 200
Posted By joe_db
I get 2300=2400 RPM with my Indigo. Doing a...

I get 2300=2400 RPM with my Indigo. Doing a static test running against the dock lines I get over 2000.
Forum: Electrical 03-26-2024, 05:20 PM
Replies: 7
Views: 368
Posted By joe_db
My spare alternator is a Motorola 50 amp that...

My spare alternator is a Motorola 50 amp that came with some A4s. It took maybe 10 minutes to swap it to external regulation.
Forum: Cooling System 03-26-2024, 09:01 AM
Replies: 3
Views: 137
Posted By joe_db
I am not sure, but I found 4 or 5 on my boat that...

I am not sure, but I found 4 or 5 on my boat that date to the 1980s!
Forum: Electrical 03-26-2024, 12:02 AM
Replies: 7
Views: 368
Posted By joe_db
I am about 95% sure that it is. It isn't the...

I am about 95% sure that it is. It isn't the easiest one to look up.
See:
https://bpi.ebasicpower.com/charge/images/alternatorwiring.jpg
Forum: Troubleshooting 03-24-2024, 11:58 AM
Replies: 34
Views: 1,253
Posted By joe_db
No problem. The first issue I can see that will...

No problem. The first issue I can see that will need attention is the wiring from the alternator is very undersized. If we do get it working, it is liable to start a fire. Can you trace that red wire...
Forum: Troubleshooting 03-24-2024, 11:35 AM
Replies: 34
Views: 1,253
Posted By joe_db
You need to separate out the lithium and lead...

You need to separate out the lithium and lead batteries in your mind.
Refer to my drawing, electricity starts at the alternator, goes to the starting battery, then goes through the Victron DC-DC...
Forum: Troubleshooting 03-24-2024, 12:17 AM
Replies: 34
Views: 1,253
Posted By joe_db
13.8 volts is the lowest I would set the...

13.8 volts is the lowest I would set the regulator for the alternator. If it is lower the start battery will be very slow to charge.
For the Victron DC-DC charger, I would probably set it to come on...
Forum: Troubleshooting 03-23-2024, 05:55 PM
Replies: 34
Views: 1,253
Posted By joe_db
FYI - here is what the wiring SHOULD look like:

FYI - here is what the wiring SHOULD look like:
Forum: Troubleshooting 03-23-2024, 04:34 PM
Replies: 34
Views: 1,253
Posted By joe_db
It is not a forgone conclusion at all yet, we are...

It is not a forgone conclusion at all yet, we are not even sure it HAS a regulator.
17 volts or more is certainly possible when full-fielded like it seems to be in your case.
Are you on the boat...
Forum: Troubleshooting 03-23-2024, 04:32 PM
Replies: 34
Views: 1,253
Posted By joe_db
That is not how those work. That is an 18 amp...

That is not how those work. That is an 18 amp DC-DC charger. When the source battery gets over a set voltage, it starts charging the destination battery at the desired voltage for that battery type...
Forum: Troubleshooting 03-23-2024, 03:03 PM
Replies: 34
Views: 1,253
Posted By joe_db
The mystery gets deeper and deeper. The DC-DC...

The mystery gets deeper and deeper. The DC-DC charger should NOT be set that way for one thing. 12.6 volts is WAY too low for it to start charging, that is about the resting voltage of a charged and...
Forum: Troubleshooting 03-23-2024, 01:28 PM
Replies: 34
Views: 1,253
Posted By joe_db
If the alternator is grounded, you might try...

If the alternator is grounded, you might try removing the jumper from + to the field and replacing it with a small lightbulb as a test.
Here is a relevant thread for that:...
Forum: Troubleshooting 03-23-2024, 01:17 PM
Replies: 34
Views: 1,253
Posted By joe_db
Here are a couple photos from my Balmar install...

Here are a couple photos from my Balmar install thread:
https://www.moyermarineforum.com/forums/attachment.php?attachmentid=12789&stc=1&d=1501260791...
Forum: Cooling System 03-23-2024, 01:15 PM
Replies: 5
Views: 354
Posted By joe_db
Sort of. Bronze is better, but plenty of fittings...

Sort of. Bronze is better, but plenty of fittings just don't come in bronze. Practically I have yet to see an issue with my brass fittings on the engine.
Forum: Troubleshooting 03-23-2024, 11:55 AM
Replies: 34
Views: 1,253
Posted By joe_db
:eek:This is a big mystery. Every wire needs to...

:eek:This is a big mystery. Every wire needs to be traced and diagrammed. The DC-DC charger adds another layer of complication to this. This is something not normally used when batteries are the same...
Forum: Troubleshooting 03-21-2024, 01:44 PM
Replies: 34
Views: 1,253
Posted By joe_db
So with the engine running the alternator output...

So with the engine running the alternator output stud is showing 17 volts and the battery is showing 12 volts :confused:
It seems like there is a bad connection between the two!
Forum: Troubleshooting 03-21-2024, 11:42 AM
Replies: 34
Views: 1,253
Posted By joe_db
What is the battery voltage when the alternator...

What is the battery voltage when the alternator is at 17 volts? Is the connection between them still good?
Forum: Exhaust System 03-19-2024, 08:15 AM
Replies: 16
Views: 3,247
Posted By joe_db
So the last update was 2022, what happened?

So the last update was 2022, what happened?
Forum: Electrical 03-17-2024, 09:31 AM
Replies: 3
Views: 387
Posted By joe_db
True if it just quit working, but that era C&C...

True if it just quit working, but that era C&C used gauges that don't last forever, my originals long since physically came apart or otherwise were obviously not going to ever work again.
Good point...
Forum: Electrical 03-16-2024, 08:06 PM
Replies: 3
Views: 387
Posted By joe_db
99% odds the sender is a 33-240 ohm unit, which...

99% odds the sender is a 33-240 ohm unit, which is one of the more common types. If you put an ohmmeter across the sender terminal and ground, it should read somewhere between those numbers and move...
Forum: Ignition System 03-15-2024, 02:22 PM
Replies: 11
Views: 743
Posted By joe_db
Triple-check the wiring. What is the voltage at...

Triple-check the wiring. What is the voltage at the starter when starting and what is it not starting?
What is the voltage drop between one of the bolts holding the starter on and the negative...
Forum: Ignition System 03-11-2024, 07:59 PM
Replies: 11
Views: 743
Posted By joe_db
Tom can explain a simple test to determine if it...

Tom can explain a simple test to determine if it was the module or the sensor. When mine croaked it was the module, I had to get another one.
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