EEVblog #1276 - Solar Roadways Surface TESTED!

[EEVblog]

Dave got his hands on a piece of the protective covering of the Solaroad in Krommenie in the Netherlands. How much light does it block?

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Thanks to Stop Solaroad: https://www.youtube.com/channel/UCRhclm-nzJ1PaE2XmjPcTog
https://twitter.com/Stop_Solaroad



Original test results:

[GeorgeOfTheJungle]

Dave, any idea why stop_solaroad has disappeared from twitter and youtube? 

[johnlsenchak]

The "nether-region's" that's hysterically  funny  Dave , you should  have been a comedian  !

[FrankBuss]

I don't think it gives an accurate measurement by comparing the short circuit current. See for example this diagram:

https://www.researchgate.net/figure/a-Dependency-relation-of-short-circuit-current-and-light-intensity-b-dependency_fig11_329393257

It shows a straight line in a log-log diagram for light intensity and short circuit current. It looks like half the light results in less reduction than half the current. So if you are measuring only about 30% short circuit current, it would be much less than 30% light, which means it is even worse than 30% power reduction.

[thinkfat]

The sample you got there has become quite brown'ish. I'm guessing the transmissivity (is that a word?) was better when it was new.

[StillTrying]

For the 1st video I get.
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If the owner of this video has granted you access, please sign in.

I can view the others on lbry EEVblog #1275 - Uniden UHF Walkie Talkie
lbry.tv uses too much BW.

[firewalker]

The video is down. If you received the pieces shown to the other video, the pieces are degraded/dirty. Water ingression by the cracks? I seems to be more clear in other places.

Alexander.

[EEVblog]

Video re-uploaded.

[PlainName]

The sample you got there has become quite brown'ish. I'm guessing the transmissivity (is that a word?) was better when it was new.

That was my thought too. The sample is taken from the broken bits and I might suspect that it's broken because the layers have come apart. The (relatively) clear good sections aren't broken and aren't pickable. If the layers are coming adrift then all sorts of much will get in there and get in the way of light.

I'm actually very surprised that Dave seemed surprised that the sample was clear where the 'rough stuff' had come off - the video of that section of the roadway showed the non-borked parts were reasonably transparent and the brown bits that could be taken away almost opaque.

I think this kind of trashing is below the belt. Imagine if EEVBlog got reviewed and the consensus was that it was pants because you can hardly navigate the site and it's very slow to load, simply because the reviewer had chosen those times when Cloudflare is throwing a wobbly as the sample times. That's effectively what Dave did here, in my view.

[trollphilosophy]

Will solar roadways ever be advanced enough to be economically feasible ? How much longer till then ? Are they doomed for eternity ?