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Search took 0.00 seconds. Search: Posts Made By: GeorgeRa
Forum: Electrical | Charging, Systems, Solar and Generators 01-22-2024, 08:06 PM
Replies: 51
Views: 9,671
Posted By GeorgeRa
A few folks on the Sprinter forum use 80/20 for...

A few folks on the Sprinter forum use 80/20 for solar panel mounting. Hein from DIY Van based on my mounting system design designed aluminum sheet metal brackets, the same concept but les expensive,...
Forum: Electrical | Charging, Systems, Solar and Generators 01-22-2024, 02:17 AM
Replies: 51
Views: 9,671
Posted By GeorgeRa
The long flat bars are pre-attached and nuts...

The long flat bars are pre-attached and nuts tighten to solar panels before final assembly. Short flat bars are attached to the bottom of the 80/20 bars with t-nuts.

There is sufficient clearance...
Forum: Electrical | Charging, Systems, Solar and Generators 01-21-2024, 11:49 PM
Replies: 51
Views: 9,671
Posted By GeorgeRa
Cearance to the roof is about 1". It was large...

Cearance to the roof is about 1". It was large enough to place a nut from below and with full access from the top to turn the screw the job was reasonably easy even with my large hands.
Forum: Electrical | Charging, Systems, Solar and Generators 01-21-2024, 03:08 PM
Replies: 51
Views: 9,671
Posted By GeorgeRa
All parts were assembled in situ. 1. Roof rail...

All parts were assembled in situ.
1. Roof rail towers, crossbars and short flat parts under crossbars
2. Long flat parts attached to factory holes in solar panels
3. Panels assemblies to...
Forum: Electrical | Charging, Systems, Solar and Generators 01-21-2024, 02:10 AM
Replies: 51
Views: 9,671
Posted By GeorgeRa
Agree, the air gap is critical to keep efficiency...

Agree, the air gap is critical to keep efficiency high and keep roof cool during sunny days.

I made these solar panel mounts 10 years ago and stop thinking about it except occasional cleaning....
Forum: Electrical | Charging, Systems, Solar and Generators 01-20-2024, 06:06 PM
Replies: 51
Views: 9,671
Posted By GeorgeRa
I had similar setup on my fiberglass Bigfoot...

I had similar setup on my fiberglass Bigfoot Trailer, it didn’t work very well hence on the Sprinter I mounted panels to roof rails.

Rigid solar panels are not rigid enough for calculating a...
Forum: Electrical | Charging, Systems, Solar and Generators 06-27-2021, 03:07 AM
Replies: 51
Views: 9,671
Posted By GeorgeRa
I agree, potent forces can be generated by air...

I agree, potent forces can be generated by air during driving. I installed solar panels on my Bigfoot trailer using large pads with good VHB with limited success, if I remember correctly 2, perhaps 3...
Forum: Electrical | Charging, Systems, Solar and Generators 06-25-2021, 08:06 PM
Replies: 51
Views: 9,671
Posted By GeorgeRa
I think, if the front gap between the panel and...

I think, if the front gap between the panel and the roof is completely sealed with a butyl tape as thick as rubber magnets it will prevent front edge from oscillation and variable vortex. A 3-4...
Forum: Electrical | Charging, Systems, Solar and Generators 06-25-2021, 07:10 PM
Replies: 51
Views: 9,671
Posted By GeorgeRa
VHB uses acrylic adhesives vs Sika 221 (or 3M...

VHB uses acrylic adhesives vs Sika 221 (or 3M 4XXX or 5XXX) which is polyurethane. VHB, once separated, can be removed with solvents like WD40 or GooGone. Polyurethane can be removed with Aqua Regia,...
Forum: Electrical | Charging, Systems, Solar and Generators 06-25-2021, 05:58 AM
Replies: 51
Views: 9,671
Posted By GeorgeRa
Was it a panel spanning across the roof attached...

Was it a panel spanning across the roof attached to roof rail, there could be a lot of panel oscillation and lifting. But, I agree, there is some risk.

Sealing a front panels gaps would likely...
Forum: Electrical | Charging, Systems, Solar and Generators 06-25-2021, 01:35 AM
Replies: 51
Views: 9,671
Posted By GeorgeRa
Good strategy, with limited available space it is...

Good strategy, with limited available space it is tough to eliminate shade. I assume panels are connected in parallel.

Good idea with magnets. You could add a strip of EPDM tape on the leading...
Forum: Electrical | Charging, Systems, Solar and Generators 06-24-2021, 10:29 PM
Replies: 51
Views: 9,671
Posted By GeorgeRa
Any shade could block harvesting, your AC blocks...

Any shade could block harvesting, your AC blocks 6 cells, it could cause problems.
Showing results 1 to 12 of 12

 
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