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Search took 0.01 seconds. Search: Posts Made By: fratermus
Forum: Computers, Internet, Tech stuff 10-06-2018, 04:44 PM
Replies: 12
Views: 4,471
Posted By fratermus
Fair point. In my case, being able to...

Fair point.

In my case, being able to leverage free wifi allows me to have a much cheaper/slower data plan. I have a $35 Verizon MVNO that I use for light duties. I queue up heavier tasks and...
Forum: Computers, Internet, Tech stuff 07-27-2018, 12:51 AM
Replies: 8
Views: 2,322
Posted By fratermus
The most common answer is probably an excel...

The most common answer is probably an excel spreadsheet.
Forum: Computers, Internet, Tech stuff 07-27-2018, 12:49 AM
Replies: 12
Views: 4,471
Posted By fratermus
In my experience it's just a passthrough and the...

In my experience it's just a passthrough and the first user to hit the AP (or hit it again after the DHCP lease expires) jumps through the hoop.

Google has a tool baked into some of their devices...
Forum: Welcome Wagon - New Member Intros 07-20-2018, 12:00 AM
Replies: 24
Views: 4,709
Posted By fratermus
This is totally doable. I think you are gonna...

This is totally doable. I think you are gonna like it!
Forum: Welcome Wagon - New Member Intros 07-19-2018, 11:59 PM
Replies: 24
Views: 4,709
Posted By fratermus
Preach, brother! I built a boondocking rig...

Preach, brother!

I built a boondocking rig from a hightop cargo van. The DIY beastie isn't pretty but it is a solid boondocking platform. I don't have to take any heroic measures to make it...
Forum: General Discussion Forum 07-08-2018, 07:05 PM
Replies: 27
Views: 5,107
Posted By fratermus
I will. If OP wants to DM me the contact info I...

I will. If OP wants to DM me the contact info I will call. I am OP's "advisor" and I have advised him/her to say No.
Forum: Class B Camper Van Reviews 06-11-2018, 04:47 PM
Replies: 14
Views: 13,566
Posted By fratermus
My DIY campervan is a 2017 159" Promaster high...

My DIY campervan is a 2017 159" Promaster high top gasser, bought used. No problems. Terrific van; it's become my "happy place". :-)

Calculated from the pump (not from the dashboard) over the...
Forum: Electrical | Charging, Systems, Solar and Generators 06-07-2018, 07:18 PM
Replies: 15
Views: 3,118
Posted By fratermus
Do you refer here to the vehicle's ECU or to...

Do you refer here to the vehicle's ECU or to fancier/$$$ isolators that trick the alt into providing more voltage?





Exception: voltage sensing relays which do not depend on being...
Forum: Electrical | Charging, Systems, Solar and Generators 06-06-2018, 03:41 PM
Replies: 15
Views: 3,118
Posted By fratermus
Here we are calling two different things...

Here we are calling two different things "chargers" in the same post, which may result in confusion for onlookers.
The isolator (https://rvwiki.mousetrap.net/doku.php?id=electrical:12v:alternator) ...
Forum: Electrical | Charging, Systems, Solar and Generators 05-28-2018, 02:51 AM
Replies: 53
Views: 16,560
Posted By fratermus
Folks following good weather wouldn't stay at...

Folks following good weather wouldn't stay at 6000'+ when it's cold.

This past January I was running around in shorts in January.
Forum: Electrical | Charging, Systems, Solar and Generators 05-27-2018, 03:19 PM
Replies: 53
Views: 16,560
Posted By fratermus
Or chasing 65F wherever it is.

Or chasing 65F wherever it is.
Forum: Electrical | Charging, Systems, Solar and Generators 04-18-2018, 08:42 PM
Replies: 14
Views: 2,983
Posted By fratermus
I always encourage folks to get the most out of...

I always encourage folks to get the most out of what they have before buying something new. :-)

Here's a quick wiki page on tweaking a PWM...
Forum: Electrical | Charging, Systems, Solar and Generators 04-15-2018, 02:04 PM
Replies: 14
Views: 2,983
Posted By fratermus
I bought one for experiments...

I bought one for experiments (https://rvwiki.mousetrap.net/doku.php?id=electrical:solar:shallow_cycling) ($25) and it is exceedingly squirrely. I can't tell what it is doing by watching the...
Forum: Electrical | Charging, Systems, Solar and Generators 04-10-2018, 08:25 PM
Replies: 50
Views: 13,713
Posted By fratermus
AGM batteries were literally designed for...

AGM batteries were literally designed for long-term Floating (the electrolyte doesn't stratify when quiescent).

The battery manufacturer will have a recommended Vfloat setpoint; I'd set my...
Forum: Electrical | Charging, Systems, Solar and Generators 09-21-2017, 10:29 AM
Replies: 7
Views: 1,692
Posted By fratermus
I have read that peak MPPT efficiency is attained...

I have read that peak MPPT efficiency is attained at ~2x battery voltage. I don't know if it's true but it lines up with the quoted info from Victron, and also with my Genasun's documentation...
Forum: Electrical | Charging, Systems, Solar and Generators 09-19-2017, 08:27 AM
Replies: 7
Views: 1,692
Posted By fratermus
AltE has a series of youtube vids...

AltE has a series of youtube vids (https://www.youtube.com/results?search_query=alte+mismatched) demonstrating this kind of thing.
Forum: Electrical | Charging, Systems, Solar and Generators 08-26-2017, 12:52 AM
Replies: 37
Views: 6,155
Posted By fratermus
I made a dinky intro post...

I made a dinky intro post (https://www.classbforum.com/forums/f46/newby-building-class-b-on-promaster-platform-6879.html) just now with a bit of info.





That's certainly the cheapest way, and...
Forum: Welcome Wagon - New Member Intros 08-26-2017, 12:49 AM
Replies: 0
Views: 2,142
Posted By fratermus
newby building class b on Promaster platform

Howdy from Texas!

I was in another thread and was asked about my DIY project. I will reply here and link back there so this doubles as my intro and stays more on topic there.

====



...
Forum: Electrical | Charging, Systems, Solar and Generators 08-25-2017, 05:07 PM
Replies: 37
Views: 6,155
Posted By fratermus
Here is the statement being questioned: ...

Here is the statement being questioned:



In my reading that posits some kind of PV->battery->load linear path the power must follow, and I think that's misleading to onlookers who are...
Forum: Electrical | Charging, Systems, Solar and Generators 08-25-2017, 04:23 PM
Replies: 37
Views: 6,155
Posted By fratermus
I already said I wasn't trying to pick a fight. ...

I already said I wasn't trying to pick a fight.

My understanding, and I am willing to be corrected:


given the slow drift of electrons along the conductor no single electron will enter and...
Forum: Electrical | Charging, Systems, Solar and Generators 08-25-2017, 01:44 PM
Replies: 37
Views: 6,155
Posted By fratermus
Note: my intent here is to keep newbs and...

Note: my intent here is to keep newbs and interested onlookers at the beginning of their journey from being misled by incorrect (or ambiguous) information. Not to pick a fight. Not to see who is...
Forum: Electrical | Charging, Systems, Solar and Generators 08-25-2017, 04:50 AM
Replies: 37
Views: 6,155
Posted By fratermus
/squinting I don't think that is a...

/squinting

I don't think that is a supportable position.

Experiments:


attach loads direct to panels; see if loads run off solar
Assume battery at 100% SoC. Run CC output, battery,...
Forum: Electrical | Charging, Systems, Solar and Generators 08-11-2017, 10:41 AM
Replies: 5
Views: 1,718
Posted By fratermus
I agree that cooling is important in hot areas. ...

I agree that cooling is important in hot areas. I disagree that convection cooling is predominantly a function of air coming up from the sides of the panel (natural convection). Forced convection,...
Forum: Electrical | Charging, Systems, Solar and Generators 08-11-2017, 08:04 AM
Replies: 5
Views: 1,718
Posted By fratermus
Interesting question. A few random thoughts: ...

Interesting question. A few random thoughts:

1. voltage comes up pretty quick even under crummy conditions (something like 20% insolation). Below that point I suppose the higher voltage panel...
Forum: Electrical | Charging, Systems, Solar and Generators 06-18-2017, 12:26 PM
Replies: 76
Views: 15,466
Posted By fratermus
Alternator charging works great for lithium...

Alternator charging works great for lithium chemistries.

It's rarely a good fit for lead acid chemistries because of the long, low-current absorption stage. For lead acid banks, alternator +...
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