Showing results 1 to 50 of 249
Search took 0.01 seconds.
Search: Posts Made By: pdavitt
Forum: Off Topic Forum 07-20-2019, 07:28 AM
Replies: 12
Views: 734
Posted By pdavitt
I live in an off grid house in West Texas, but I...

I live in an off grid house in West Texas, but I did not start out looking to go "alternative energy". Until, as some one else mentioned, I got the estimate from the power company to run service to...
Forum: Generators & Solar Power 07-09-2019, 04:28 PM
Replies: 634
Views: 79,619
Posted By pdavitt
I agree, if you consider batteries as a...

I agree, if you consider batteries as a consumable, to be replaced as needed, then why worry. There are however, people that have invested in batteries to the point that they become an asset; that...
Forum: Generators & Solar Power 07-02-2019, 05:01 PM
Replies: 634
Views: 79,619
Posted By pdavitt
You wire the panels in series and then parallel...

You wire the panels in series and then parallel the series groups.
Pat
Forum: Generators & Solar Power 07-02-2019, 10:40 AM
Replies: 7
Views: 908
Posted By pdavitt
Another benefit of having a separate charge...

Another benefit of having a separate charge controller, mounted near the battery is the expansion flexibility. If your panels (fixed and/or portable) have nearly the same voltage specifications you...
Forum: Batteries, Univolts, Converters & Inverters 07-02-2019, 09:08 AM
Replies: 95
Views: 6,031
Posted By pdavitt
Agree. Below is a picture of my crimper and the...

Agree. Below is a picture of my crimper and the closed end lug type it was designed for. I have always thought that if you only have a few large wires to crimp it is better to order the complete...
Forum: The Pet Forum 06-20-2019, 07:06 AM
Replies: 40
Views: 4,161
Posted By pdavitt
Ray, I have Aussies, that are ranch bred and...

Ray,

I have Aussies, that are ranch bred and raised, and understand where you are coming from. Herding/Shepherd dogs are very intelligent and bred to be independent thinkers.

To add a little...
Forum: Sprinter and B-van Forum 06-13-2019, 05:02 PM
Replies: 232
Views: 22,743
Posted By pdavitt
Hi Alex, This is one of the things I hate about...

Hi Alex,
This is one of the things I hate about RV manufacturer's. Rather than redesigning the electrical system to match current technologies; they add or delete stuff (with probably unintended...
Forum: Batteries, Univolts, Converters & Inverters 06-13-2019, 06:52 AM
Replies: 95
Views: 6,031
Posted By pdavitt
All of these breakers are "panel mount" types. ...

All of these breakers are "panel mount" types. Their ability to also act as switches, keeps the installation nice and clean. Below is a photo of the front of my DC Load Center.

Pat
Forum: Batteries, Univolts, Converters & Inverters 06-12-2019, 06:31 AM
Replies: 95
Views: 6,031
Posted By pdavitt
No, lugs are needed the F series breakers have...

No, lugs are needed the F series breakers have 3/8" studs, the A and C series have 1/4" or 5/16" studs. See below.


Pat
Forum: Batteries, Univolts, Converters & Inverters 06-11-2019, 06:41 AM
Replies: 95
Views: 6,031
Posted By pdavitt
I know I'm going to get accused of "over"...

I know I'm going to get accused of "over" engineering, but when it comes to circuit protection devices I am very picky. Carling Technologies is the manufacturer of the hydraulic/magnetic class A, C,...
Forum: General Motorhome Topics 06-10-2019, 05:58 PM
Replies: 24
Views: 6,596
Posted By pdavitt
I wonder? Would like to see some interior...

I wonder? Would like to see some interior photos.
Pat
Forum: General Motorhome Topics 06-10-2019, 04:46 PM
Replies: 24
Views: 6,596
Posted By pdavitt
What's really neat is the location of the rear...

What's really neat is the location of the rear view mirrors. The drivers station must have been set back quite a few feet from the front.

Pat
Forum: Batteries, Univolts, Converters & Inverters 06-09-2019, 03:12 PM
Replies: 95
Views: 6,031
Posted By pdavitt
The enclosure is aluminum, saves weight. I got...

The enclosure is aluminum, saves weight. I got it from a company called Midnite Solar. They have enclosures from the very small to large, and are a good source RV electrical system components.

...
Forum: Batteries, Univolts, Converters & Inverters 06-09-2019, 08:22 AM
Replies: 95
Views: 6,031
Posted By pdavitt
One thing I have not seen mentioned in this post...

One thing I have not seen mentioned in this post concerns using circuit breakers on DC battery circuits. Be sure to buy DC rated breakers. Do NOT use a standard AC breaker for these circuits. ...
Forum: On The Road... 06-08-2019, 11:37 AM
Replies: 126
Views: 10,449
Posted By pdavitt
You know the old saying "Don't get mad; get...

You know the old saying "Don't get mad; get even." Grab your pipes and serenade them with this at 0600.
...
Forum: Electrical - Systems, Generators, Batteries & Solar 06-07-2019, 04:28 PM
Replies: 196
Views: 19,252
Posted By pdavitt
Joe, Sometimes you just have to trust the...

Joe,
Sometimes you just have to trust the experts. In this case the NEC, NFPA, ABYC, etc. In my line of work you "Go with the Code".
Pat
Forum: Electrical - Systems, Generators, Batteries & Solar 06-07-2019, 10:50 AM
Replies: 196
Views: 19,252
Posted By pdavitt
You are forgetting the financial risk. If...

You are forgetting the financial risk. If someone visiting your trailer gets injured or killed, your insurance may not cover the liability since your system was not wired in accordance with...
Forum: Electrical - Systems, Generators, Batteries & Solar 06-07-2019, 10:29 AM
Replies: 196
Views: 19,252
Posted By pdavitt
A DC system has Positive + and Negative - voltage...

A DC system has Positive + and Negative - voltage potentials. And the accepted practice is to bond the DC Negative to Ground at a point.

The confusion is caused by the slang usage of the word...
Forum: Electrical - Systems, Generators, Batteries & Solar 05-31-2019, 05:39 AM
Replies: 9
Views: 1,018
Posted By pdavitt
I always tell people when they are re-wiring DC...

I always tell people when they are re-wiring DC circuits to plan wiring/circuit protection sizes for future expansion. For example, you later decide to add a 2000VA inverter. You plug in your...
Forum: Base Camp 05-28-2019, 10:42 AM
Replies: 3
Views: 804
Posted By pdavitt
I live in the Southwest and the best thing is...

I live in the Southwest and the best thing is shade, ether natural or "make your own". Especially since you are trying to live in a basically un-insulated, aluminum can. Yesterday was almost 90F...
Forum: On The Road... 05-27-2019, 04:43 PM
Replies: 176
Views: 23,008
Posted By pdavitt
I don't live in Alaska, but I have spent a lot of...

I don't live in Alaska, but I have spent a lot of time there. (Oil Business) The most fun I ever had was in Talkeetna. It is a throw back to a simpler time with a fantastic sense of humor. They...
Forum: Electrical - Systems, Generators, Batteries & Solar 05-20-2019, 12:02 PM
Replies: 4
Views: 318
Posted By pdavitt
Yes it can be confusing. Your 50A shore power...

Yes it can be confusing. Your 50A shore power actually supplies 100A @ 120V. The 50A rating is at 240V. Either way the shore power is outputting 12,000 VoltAmps of Power. The 5500 generator is...
Forum: Electrical - Systems, Generators, Batteries & Solar 05-19-2019, 06:34 AM
Replies: 4
Views: 318
Posted By pdavitt
Since you mention two Air Conditioners, I assume...

Since you mention two Air Conditioners, I assume you have a 50A 120/240V Split Phase shore power service. If so, it gets a little more complicated. The Onan 5500 comes in two voltage output...
Forum: Boondocking 05-14-2019, 04:48 PM
Replies: 10
Views: 939
Posted By pdavitt
Lots of good information. Uncle_Bob, AirMiles,...

Lots of good information. Uncle_Bob, AirMiles, pteck, and rmkrum have all given great advice. As you have probably figured out, it all depends on what your definition of "BoonDocking" is.

Some...
Forum: The Pet Forum 05-12-2019, 10:48 AM
Replies: 39
Views: 3,995
Posted By pdavitt
Luckily there is now a canine antivenom for...

Luckily there is now a canine antivenom for rattlesnakes, not sure about the others. For piece of mind when you are traveling, just call a local Vet to see if they stock it.

Pat
Forum: The Pet Forum 05-12-2019, 10:30 AM
Replies: 39
Views: 3,995
Posted By pdavitt
Maggie, Best to let a trained...

Maggie,


Best to let a trained professional do the training. I would ask your Vet if they can recommend someone. Don't know about the pet stores.


Safest is to keep them on a leash. ...
Forum: The Pet Forum 05-12-2019, 10:00 AM
Replies: 39
Views: 3,995
Posted By pdavitt
I live in rattlesnake country and have my dog...

I live in rattlesnake country and have my dog vaccinated. There are two shots to start with then a booster every six months. Just as important is snake avoidance training. Since the vaccine does...
Forum: Batteries, Univolts, Converters & Inverters 05-11-2019, 07:35 AM
Replies: 8
Views: 644
Posted By pdavitt
I've got an 8AWG ground wire running from the...

I've got an 8AWG ground wire running from the chassis ground stud on my Smart Solar 150/45 charge controller (48V Battery System) directly to the vehicle chassis ground point. I've found it is...
Forum: Batteries, Univolts, Converters & Inverters 05-10-2019, 06:21 PM
Replies: 8
Views: 644
Posted By pdavitt
I think he is referring to the chassis ground for...

I think he is referring to the chassis ground for the controller. It has nothing to do with the DC negative.
Pat
Forum: 2016 - Current Classic (all lengths) 05-09-2019, 04:52 PM
Replies: 2
Views: 266
Posted By pdavitt
Welcome to computer control. I suspect that if...

Welcome to computer control. I suspect that if you turn it off using the computer the manual switch cannot turn it back on. Try turning it on with the computer and leave it on. The manual switch...
Forum: Electrical - Systems, Generators, Batteries & Solar 05-09-2019, 04:41 PM
Replies: 8
Views: 696
Posted By pdavitt
Whoops, my bad. The two AC outs start with the...

Whoops, my bad. The two AC outs start with the 3000VA Multiplus. 57Vintage has a good plan for your unit. But, still pay close attention to your Neutral/Ground bonds. It's a life safety issue.
...
Forum: Electrical - Systems, Generators, Batteries & Solar 05-09-2019, 09:04 AM
Replies: 8
Views: 696
Posted By pdavitt
Another way to accomplish a "Shore Power Only" AC...

Another way to accomplish a "Shore Power Only" AC Circuit is to use the built in capability of the Multiplus. It has two AC Outputs. AC-Out-1 provides power from either Shore Power or the Inverter...
Forum: Batteries, Univolts, Converters & Inverters 05-08-2019, 01:49 PM
Replies: 93
Views: 6,529
Posted By pdavitt
Sometimes you have to read the fine print. Pat

Sometimes you have to read the fine print.
Pat
Forum: Electrical - Systems, Generators, Batteries & Solar 05-08-2019, 10:48 AM
Replies: 8
Views: 696
Posted By pdavitt
Also, Victron has a great Ebook called "Wiring...

Also, Victron has a great Ebook called "Wiring Unlimited" that is great for understanding, wiring, and setting up these systems.

You can download a copy from here:
...
Forum: Electrical - Systems, Generators, Batteries & Solar 05-08-2019, 10:27 AM
Replies: 8
Views: 696
Posted By pdavitt
Need more detail, but I see a number of things...

Need more detail, but I see a number of things wrong, especially the use of Romex to connect AC to the Multiplus. I highly recommend that you read the Manuals for the Multiplus and BMV 712. Links...
Forum: Generators & Solar Power 05-07-2019, 05:42 AM
Replies: 634
Views: 79,619
Posted By pdavitt
Solar cell technology is advancing rapidly,...

Solar cell technology is advancing rapidly, unfortunately I cannot find any smaller (RV Type) panels built utilizing the newer technologies. It is possible to build a panel similarly sized as the...
Forum: Generators & Solar Power 05-06-2019, 04:57 PM
Replies: 634
Views: 79,619
Posted By pdavitt
I agree with AirMiles. Unfortunately the...

I agree with AirMiles. Unfortunately the Airstream roof does not lend itself to nominal 24V panels (About 36V Vmpp and 42V Voc) because of their size. I would rather have 1 or 2 350W 24V panels...
Forum: Sprinter and B-van Forum 05-06-2019, 04:43 PM
Replies: 26
Views: 1,331
Posted By pdavitt
Whoa. Be "sure" the electrician understands that...

Whoa. Be "sure" the electrician understands that you want a 30A 120V service, plus some 15A 120V receptacles. Many home electricians assume that a 30A circuit should be at 240V. If you plug 240V...
Forum: Sprinter and B-van Forum 05-03-2019, 09:22 AM
Replies: 31
Views: 2,833
Posted By pdavitt
Yep. By my calculations a 20 foot circuit (You...

Yep. By my calculations a 20 foot circuit (You have to use the length of both the positive and negative wires) at 200A requires a 4/0 wire for a voltage drop of 2%.


Pat
Forum: Batteries, Univolts, Converters & Inverters 04-29-2019, 04:53 PM
Replies: 67
Views: 6,036
Posted By pdavitt
Brad, Rather than get into a lengthy...

Brad,

Rather than get into a lengthy discussion of what to check and how to check it I propose the following. Since you are in the Seattle area, find a ABYC (American Boat and Yacht Council)...
Forum: Batteries, Univolts, Converters & Inverters 04-29-2019, 12:30 PM
Replies: 39
Views: 3,143
Posted By pdavitt
I would track 5-10 more charge/discharge cycles....

I would track 5-10 more charge/discharge cycles. It may take them awhile to recover from a traumatic experience. Or not.


Pat
Forum: Our Community 04-28-2019, 10:22 AM
Replies: 89
Views: 14,520
Posted By pdavitt
Agree, guess I should have included Sullivan's...

Agree, guess I should have included Sullivan's full quote. They sure wrote flowery prose back in the 1890's.

"Whether it be the sweeping eagle in his flight, or the open apple-blossom, the...
Forum: Our Community 04-27-2019, 05:07 PM
Replies: 89
Views: 14,520
Posted By pdavitt
Plus 3 Don't mean to get too historical but:...

Plus 3

Don't mean to get too historical but:

"The Architect Louis Sullivan In 1896 wrote "form ever follows function". Which was based on a writing by Roman architect, engineer, and author...
Forum: Electrical - Systems, Generators, Batteries & Solar 04-27-2019, 04:37 PM
Replies: 18
Views: 1,826
Posted By pdavitt
In my post I was trying to not get too technical...

In my post I was trying to not get too technical with the OP. The below is not directed at ya'll but more to the OP.

---
Lets say the normal fan circuit with the fan running would show 12V and...
Forum: Electrical - Systems, Generators, Batteries & Solar 04-25-2019, 07:13 PM
Replies: 18
Views: 1,826
Posted By pdavitt
Check the wiring diagram for your unit. There...

Check the wiring diagram for your unit. There should be a DC fuse block somewhere.
Pat
Forum: Electrical - Systems, Generators, Batteries & Solar 04-25-2019, 04:40 PM
Replies: 18
Views: 1,826
Posted By pdavitt
Volts don't make the motor run, amperage (power)...

Volts don't make the motor run, amperage (power) does. You can have a voltage measurement of 12V with a circuit that can only provide a few mA of power. Not enough to run your motor. Check the...
Forum: Our Community 04-25-2019, 10:42 AM
Replies: 89
Views: 14,520
Posted By pdavitt
Just checked their website. They have a brand...

Just checked their website. They have a brand new one for sale, don't have to worry about a deposit and build time; just pull in and drive it away.:)

Link is below:
...
Forum: Computers, Internet & Satellite 04-23-2019, 07:50 AM
Replies: 13
Views: 1,027
Posted By pdavitt
Tell me about it. I'm working on a project for...

Tell me about it. I'm working on a project for my off grid home (Not an RV) to control diversion loads. I'm using an industrial PLC and Modbus TCP as the communications protocol between major...
Forum: Computers, Internet & Satellite 04-22-2019, 07:46 PM
Replies: 13
Views: 1,027
Posted By pdavitt
UncleBob is spot on. All the control computers...

UncleBob is spot on. All the control computers I know of run some flavor of the Unix OS. Automating the monitoring and control of dumb electrical devices is not a trivial undertaking.

Pat
Forum: Computers, Internet & Satellite 04-22-2019, 05:05 PM
Replies: 13
Views: 1,027
Posted By pdavitt
Bob, You don't state your expertise in...

Bob,

You don't state your expertise in computer programming or industrial automation. So I will give you my experiences.

I am a retired Systems Architect/Integrator who has designed and built...
Showing results 1 to 50 of 249

 

Featured Campgrounds

Reviews provided by

Disclaimer:

This website is not affiliated with or endorsed by the Airstream, Inc. or any of its affiliates. Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 03:17 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
×