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Search: Posts Made By: GeorgeRa
Forum: Electrical | Charging, Systems, Solar and Generators 09-02-2017, 02:23 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
400V makes big difference. Na/NiCl2 battteries...

400V makes big difference. Na/NiCl2 battteries for the electric motor and Li for the camper.
Forum: Electrical | Charging, Systems, Solar and Generators 09-02-2017, 02:21 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
Thaanks for sharing. The camper electrical system...

Thaanks for sharing. The camper electrical system designed and build by Victron, interesting heating using heat accumulators with phased change material.
...
Forum: Electrical | Charging, Systems, Solar and Generators 07-21-2017, 03:09 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
After a second look, you could be correct. ...

After a second look, you could be correct.



Let’s hope, mounting under the roof rack exposes a lot about the installer know how.
Forum: Electrical | Charging, Systems, Solar and Generators 07-21-2017, 02:05 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
I very much doubt this will work well, there is...

I very much doubt this will work well, there is antenna in the back as well. But, there is good news in his installation, he didn’t use a staple gun to attached the flex panels along the roof ribs.
...
Forum: Electrical | Charging, Systems, Solar and Generators 07-21-2017, 12:36 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
I questioned your original point of 1.5” gap...

I questioned your original point of 1.5” gap which would be difficult to achieve with flex panels mounted on 1/8” ABS.

Lack of convection cooling can impact not hiked-up 10-25% PV efficiency.
...
Forum: Electrical | Charging, Systems, Solar and Generators 07-21-2017, 09:20 AM
Replies: 76
Views: 15,419
Posted By GeorgeRa
You are correct, the width is indeed about 1.5"....

You are correct, the width is indeed about 1.5". This is the roof picture from the 2008 Sprinter van.
Forum: Electrical | Charging, Systems, Solar and Generators 07-21-2017, 09:03 AM
Replies: 76
Views: 15,419
Posted By GeorgeRa
Indeed, for solar panels the space underneath to...

Indeed, for solar panels the space underneath to allow convective cooling is important for efficiency. I have 1.5” gap to the PV panel frame and almost 2.5” to the bottom of the solar cells at the...
Forum: Electrical | Charging, Systems, Solar and Generators 07-20-2017, 09:13 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
This is Sprinter's roof drawing from my solar...

This is Sprinter's roof drawing from my solar panels installation on 2013 / 144 WB.
Forum: Electrical | Charging, Systems, Solar and Generators 07-20-2017, 08:05 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
If I understand your PVs mounting correctly the...

If I understand your PVs mounting correctly the roof ribs are 3/8" high, not 1-1/2, so air flow could be limited on a stationary van.
Forum: Electrical | Charging, Systems, Solar and Generators 06-19-2017, 04:35 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
This was the sentence which prompted my reply,...

This was the sentence which prompted my reply, you hit the nail on the head. Perhaps I should give a benefit of the doubt to this sentence as just a simple misunderstanding.

We often focus on...
Forum: Electrical | Charging, Systems, Solar and Generators 06-19-2017, 04:08 AM
Replies: 76
Views: 15,419
Posted By GeorgeRa
I took this statement from your previous post...

I took this statement from your previous post “This is why it makes no sense to me to invest in solar” as a generic recommendation which prompted me to reply. Perhaps I read too much into it. I have...
Forum: Electrical | Charging, Systems, Solar and Generators 06-17-2017, 10:40 PM
Replies: 76
Views: 15,419
Posted By GeorgeRa
To recharge an RV battery bank, we can use the...

To recharge an RV battery bank, we can use the following and they all make sense:

1. Engine primary alternator
2. Solar panels
3. Auxiliary generator
4. Shore power
5. Wind generator...
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