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Search took 0.01 seconds. Search: Posts Made By: Ponobill
Forum: Airstream "In the News" 01-16-2022, 09:49 AM
Replies: 7
Views: 2,220
Posted By Ponobill
A simpler way?

That is extremely interesting. I also expect a simpler approach will become common--a battery under the trainer that extends range by connecting to the vehicle battery. I intended to do this to my...
Forum: Generators & Solar Power 08-26-2020, 06:48 PM
Replies: 71
Views: 9,527
Posted By Ponobill
Yes, Victron stuff is expensive, but it's made...

Yes, Victron stuff is expensive, but it's made for people who are NOT geeks. Look into AIMS or Sigeneer inverters, especially with the new modifications they did for the EVTV guys that are optimized...
Forum: Generators & Solar Power 08-26-2020, 06:32 PM
Replies: 71
Views: 9,527
Posted By Ponobill
As you should be able to tell from reading the...

As you should be able to tell from reading the comments, the usefulness and expense is a function of how far you take the effort and how much you want to invest in time or money. The difference...
Forum: Generators & Solar Power 08-26-2020, 11:13 AM
Replies: 71
Views: 9,527
Posted By Ponobill
I'm doing a somewhat silly project with my 1978...

I'm doing a somewhat silly project with my 1978 GMC motorhome that I will duplicate to some degree on my 33' AS race car hauler. I have 1860watts of PV installed on the roof in a framework that...
Forum: Electrical - Systems, Generators, Batteries & Solar 09-04-2019, 07:12 AM
Replies: 72
Views: 14,221
Posted By Ponobill
A couple thousand? What? I'd modify the code for...

A couple thousand? What? I'd modify the code for a SimpBMS and run it on an ESP32. Might cost me ten bucks and an hour or two. Plus 35 bucks if I wanted to add a Raspberry pi and touchscreen to...
Forum: Electrical - Systems, Generators, Batteries & Solar 09-01-2019, 10:31 PM
Replies: 72
Views: 14,221
Posted By Ponobill
Wow, I've been told I'm wrong about the...

Wow, I've been told I'm wrong about the complexity of maintaining LA batteries a whole bunch of people who go on to detail far more complex maintenance issues than I've even contemplated. I will...
Forum: Electrical - Systems, Generators, Batteries & Solar 08-28-2019, 11:19 PM
Replies: 72
Views: 14,221
Posted By Ponobill
Ooof--that's definitely pushing things. I suspect...

Ooof--that's definitely pushing things. I suspect you just shortened your battery life a bunch. 11.8 is basically zero charge, or damned close to it. 11.7 is 0 for all forms of LA. There is the...
Forum: Electrical - Systems, Generators, Batteries & Solar 08-28-2019, 01:19 PM
Replies: 72
Views: 14,221
Posted By Ponobill
That's certainly true. The point wasn't...

That's certainly true. The point wasn't efficiency vs. cost, it was that there's nothing special about PWM that makes it a better choice for preserving your batteries. Generally there are even fewer...
Forum: Electrical - Systems, Generators, Batteries & Solar 08-27-2019, 09:26 PM
Replies: 72
Views: 14,221
Posted By Ponobill
There's no magic in a PWM controller, other than...

There's no magic in a PWM controller, other than it's inefficient. It occurs to me that what lead acid batteries need is a customized BMS. Let the charger do all the dumb **** it wants to do, or...
Forum: Electrical - Systems, Generators, Batteries & Solar 08-26-2019, 10:42 AM
Replies: 72
Views: 14,221
Posted By Ponobill
Lithium batteries are MORE sensitive and in many...

Lithium batteries are MORE sensitive and in many chemistries MORE dangerous than LA batteries. But they have a BMS that is specific to those particular cells, making certain that they are charged and...
Forum: Electrical - Systems, Generators, Batteries & Solar 08-26-2019, 10:02 AM
Replies: 72
Views: 14,221
Posted By Ponobill
Yes. The first iteration of my post mentioned...

Yes. The first iteration of my post mentioned that the avaialble choices for MPPT controllers are very expensive controllers, especially those that can have their charging levels and trigger...
Forum: Electrical - Systems, Generators, Batteries & Solar 08-25-2019, 09:57 PM
Replies: 72
Views: 14,221
Posted By Ponobill
Lead Acid and MMPT

I suspect that anyone trying to connect any significant amount of solar power with an MPPT controller to Lead Acid (LA) RV house batteries is going to be disappointed in the life of the batteries and...
Forum: Full-Timing, Winter Living & Workamping 02-16-2019, 09:09 AM
Replies: 65
Views: 17,812
Posted By Ponobill
I Mis-spoke, my inverter is a 6000 watt AIMS with...

I Mis-spoke, my inverter is a 6000 watt AIMS with surge capacity of 18,000 watts (I don't intend to test or wire for that). I have tested the system with both the AC and a toaster oven running--no...
Forum: Full-Timing, Winter Living & Workamping 02-12-2019, 12:12 AM
Replies: 65
Views: 17,812
Posted By Ponobill
I don't intend to be argumentative, it's simply...

I don't intend to be argumentative, it's simply that there's a lot more to consider in sizing batteries, panels, controllers and inverters. Here's an example from an article I wrote in my blog. A...
Forum: Full-Timing, Winter Living & Workamping 02-11-2019, 01:56 AM
Replies: 65
Views: 17,812
Posted By Ponobill
Sorry, but that's not true. Ohm law won't tell...

Sorry, but that's not true. Ohm law won't tell you much about AC reactive loads. It's also not useful for understanding how much load you can connect to a solar controller, what size wire to use, how...
Forum: Full-Timing, Winter Living & Workamping 02-10-2019, 10:59 AM
Replies: 65
Views: 17,812
Posted By Ponobill
Running on batteries

This is an interesting thread to me because I'm doing the extreme end of what is feasible for battery-only power. The victim in this case is my 1978 GMC motorhome but I intend to do a slightly scaled...
Forum: Towing, Tow Vehicles & Hitches 10-24-2018, 11:20 AM
Replies: 64
Views: 9,295
Posted By Ponobill
I have a 2018 F350 and a 1985 33' Airstream I...

I have a 2018 F350 and a 1985 33' Airstream I converted to carry my race car as well as provide living space. My previous tow truck was a 2006 F350. My trailer is not exactly a toyhauler in the...
Forum: General Repair Forum 10-16-2018, 09:20 PM
Replies: 51
Views: 10,570
Posted By Ponobill
I've tried to post a few replies, some of them...

I've tried to post a few replies, some of them included links to relevant intormation, None of them have shown up. To the Admin--let me know if I've violated a rule or my input is not welcome and...
Forum: General Repair Forum 10-15-2018, 07:16 AM
Replies: 51
Views: 10,570
Posted By Ponobill
Moho

Hmmm, my picture didn't work. Let's try this: https://www.airforums.com/forums/attachment.php?attachmentid=325238&stc=1&d=1539609339
Forum: General Repair Forum 10-14-2018, 08:17 PM
Replies: 51
Views: 10,570
Posted By Ponobill
Lithium Batteries

I'm not sure where people get the idea that Lithium batteries are damaged by cold. They shouldn't be frozen, but they freeze around -40F. A cold lithium battery won't supply much power, but if you...
Showing results 1 to 20 of 20

 

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