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Search: Posts Made By: edwardc
Forum: Introductions 05-19-2022, 09:09 AM
Replies: 46
Views: 2,951
Posted By edwardc
The idle is unlikely to be the cause. The A4...

The idle is unlikely to be the cause. The A4 doesn't really have a "transmission" per se. In fwd it's a 1:1 direct drive, engaged by a friction clutch as the shift lever is moved into the fwd...
Forum: Electrical 05-09-2022, 01:41 PM
Replies: 49
Views: 2,789
Posted By edwardc
Joe, That's a pretty accurate summary of...

Joe,

That's a pretty accurate summary of most of my last year's research. It's why I chose the raw-cells/external-BMS path.

There's one other item for the list that Rod Collins...
Forum: Troubleshooting 05-03-2022, 09:25 AM
Replies: 10
Views: 542
Posted By edwardc
Or try a GoPro on a stick.

Or try a GoPro on a stick.
Forum: General Maintenance 05-01-2022, 02:41 PM
Replies: 4
Views: 300
Posted By edwardc
Yes, the spacer allows you to use a stock...

Yes, the spacer allows you to use a stock automotive thermostat, but it is "single action". This requires the additional use of a restricting valve in the bypass loop.

The Moyer thermostat (SKU:...
Forum: Electrical 05-01-2022, 02:30 PM
Replies: 49
Views: 2,789
Posted By edwardc
LiFePO4 Charging

Quite true. My Balmar 612 alternator regulator has a feature called "Belt Manager". It lets you dial back the maximum output of the regulator. It was intended to stop belt squeal when dumping full...
Forum: Electrical 04-29-2022, 02:04 PM
Replies: 49
Views: 2,789
Posted By edwardc
Shawn, The LiFePO4 chemistry has a nominal...

Shawn,

The LiFePO4 chemistry has a nominal cell voltage of 3.2v per cell. Thus, a pack of 4 series cells has a nominal voltage of 12.8V

But this is slightly misleading. The cells have an...
Forum: Electrical 04-26-2022, 02:48 PM
Replies: 49
Views: 2,789
Posted By edwardc
Thanks for the nudge. To refresh, I have...

Thanks for the nudge.

To refresh, I have eight EVE 280AH LiFePO4 prismatic cells.

I ended up ordering the Rec Active BMS. The manufacturer was very quick to reply to my questions, and I now...
Forum: Overhaul 04-21-2022, 06:33 AM
Replies: 121
Views: 16,269
Posted By edwardc
Since this is an oil passage, brass is probably...

Since this is an oil passage, brass is probably ok, but I would prefer to see bronze or stainless in a marine environment. Check McMaster-Carr. They have it in stainless.
Forum: Electrical 04-08-2022, 09:58 AM
Replies: 10
Views: 763
Posted By edwardc
Those multimeters usually have a fuse in the...

Those multimeters usually have a fuse in the ammeter circuit. If its replaceable, you'll have to open the case to do it.

There's no danger of shock with 12 volts, but you could get a nasty burn,...
Forum: General Interest 02-24-2022, 02:09 PM
Replies: 5
Views: 451
Posted By edwardc
No, some sailing friends passed it to me in an...

No, some sailing friends passed it to me in an e-mail.

According to my daughter, its a popular meme going around, often with different hobby icons substituting for the sailboat.
Forum: General Interest 02-21-2022, 08:25 AM
Replies: 5
Views: 451
Posted By edwardc
Countermeasures

Best COVID strategy ever.
Forum: General Interest 02-21-2022, 07:04 AM
Replies: 13
Views: 1,142
Posted By edwardc
Some time back, someone here (I forget who), made...

Some time back, someone here (I forget who), made a reference to the "Sailing Uma" YouTube channel. They are probably one of the best examples of the limits to which you can take an all-electric...
Forum: Electrical 02-09-2022, 09:13 AM
Replies: 11
Views: 621
Posted By edwardc
Just another perpetual motion machine scam. ...

Just another perpetual motion machine scam. Nothing to see here folks, keep movimg on....


The Three Laws of Thermodynamics: (in laymen's terms)

1. You can't win,

2. You can't even break...
Forum: Electrical 01-09-2022, 03:24 PM
Replies: 49
Views: 2,789
Posted By edwardc
That, and greater total energy storage in the...

That, and greater total energy storage in the same volume.
Forum: Electrical 01-06-2022, 10:48 AM
Replies: 49
Views: 2,789
Posted By edwardc
Absolutely true. But I would never put a system...

Absolutely true. But I would never put a system in my boat that I didn't thoroughly understand or that I wasn't capable of maintaining. Its just my OCD nature. I have a really hard time paying...
Forum: Electrical 01-06-2022, 10:40 AM
Replies: 49
Views: 2,789
Posted By edwardc
Good point about system cost of ownership. ...

Good point about system cost of ownership.

One thing I have found in my research, and confirmed by personal experience (I know, that's only one data point) is that Lead-Acid batteries, even Gel...
Forum: Electrical 01-05-2022, 11:31 AM
Replies: 49
Views: 2,789
Posted By edwardc
Wow, a subject that's near and dear to my heart! ...

Wow, a subject that's near and dear to my heart! I'm in the middle of what's turned into a years long project to convert our boat to Lithium batteries. Its a DEEP rabbit-hole!

DISCLAIMER: I am...
Forum: Troubleshooting 10-28-2021, 01:21 PM
Replies: 5
Views: 759
Posted By edwardc
Another possibility that can cause an...

Another possibility that can cause an “insufficient fuel” problem is the “stuck ball” failure in a Facet fuel pump. Easy to test for. Remove the bayonet bottom of the fuel pump (be prepared to catch...
Forum: Introductions 10-20-2021, 10:22 AM
Replies: 7
Views: 1,792
Posted By edwardc
First off, welcome to the forum! You've...

First off, welcome to the forum! You've definitely found one of the best places on the Internet!



Probably the number one advice for A4 novices is "No extended cranking with the cooling water...
Forum: Troubleshooting 10-15-2021, 11:47 AM
Replies: 30
Views: 2,526
Posted By edwardc
This seems way too low. When you checked the...

This seems way too low. When you checked the spark, was it a snappy blue one or a weak yellow? A weak yellow spark in open air will likely not fire under compression, as the breakdown voltage of...
Forum: Cooling System 10-08-2021, 11:50 AM
Replies: 1
Views: 704
Posted By edwardc
Cutting hoses off of a barb fitting runs the risk...

Cutting hoses off of a barb fitting runs the risk of scratching or nicking the barb, which will cause persistant slow leaks later. Instead, use a heat gun. Or a hair dryer. Once heated a little...
Forum: General Interest 09-14-2021, 12:22 PM
Replies: 8
Views: 1,127
Posted By edwardc
Glad to hear it! These days, when someone...

Glad to hear it! These days, when someone abruptly drops off the net, we start to worry.
Forum: Cooling System 09-13-2021, 10:25 AM
Replies: 28
Views: 3,069
Posted By edwardc
I found this mini pick set to be very useful in...

I found this mini pick set to be very useful in digging out old packing:

https://www.harborfreight.com/mini-pick-and-hook-set-63697.html
Forum: Cooling System 09-10-2021, 09:41 AM
Replies: 28
Views: 3,069
Posted By edwardc
Aha! I think we have a clue. You probably have...

Aha! I think we have a clue. You probably have the wrong diameter packing, rather than too much. Properly sized packing should take three rings of packing. I had something similar happen when I...
Forum: Cooling System 09-07-2021, 04:14 PM
Replies: 28
Views: 3,069
Posted By edwardc
The nut and shaft should be 10-20 degrees F above...

The nut and shaft should be 10-20 degrees F above the ambient water temp. Keep loosening.
Showing results 1 to 25 of 318

 
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