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colinmcc

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Reply with quote  #11 
Catwoman: Thin/flexible panels are INCREDIBLY fragile, anyone who has picked up raw silicon solar wafers knows to their cost (yes, I'm guilty) that they are as fragile as a very thin piece of ice. Just lifting one corner to pick one up broke my first piece. 

I'm afraid that if you continue down this path you will spend a lot of cash on something that will be worthless/useless in days if not hours. 

Buy some rigid panels in ali frames, mount them on an even more rigid base/foldout awning/stand/whatever, and save yourself a load of trouble.[smile]  I understand your need for lightness, but....

colinmcc

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Reply with quote  #12 
Just checked and silicon wafers are produced from 160–190 µm thick slices, and, for comparison
  • 17 to 181 μm – diameter of human hair
  • 70 to 180 μm – thickness of paper
I don't know how the flexible panels work, presumably the two laminates each side give the encapsulated wafer some 'rigidity' but.. Time to head to google I think!@ ;-)
stmbtwle

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Reply with quote  #13 
This addresses flexible panels that are glued down. Apparently they're pretty tough.

http://www.gonewiththewynns.com/flexible-rv-solar-issues-review

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
Rick H Parker

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Reply with quote  #14 
"Apparently they're pretty tough. "

They are not so tough, they need backup.

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Rick H Parker
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Electronics Engineering Technologist
stmbtwle

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Reply with quote  #15 
"Tough" if properly supported. Might be able to stretch them between a frame, but if they started flapping in the wind I wouldn't bet on them.


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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
Canwoman

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Posts: 13
Reply with quote  #16 
My reading tells me they are flexible by 30%. I cant find any reviews that say they are fragile or break. They arn't made to FOLD and I wasn't planning on doing that.

What I am looking for is if anyone has designed a way of strapping them to a roof that won't let them flap about but that will allow the strapping or frame to be moved once static? I have lots and lots of bamboo so would ideally like to make use of it.

I amalso thinking "bamboo construction forum?" [wink]
stmbtwle

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Reply with quote  #17 
Why are you asking US?
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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
Canwoman

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Reply with quote  #18 
To find if anyone has designed a way of strapping them to a roof that won't let them flap about but that will allow the strapping or frame to be moved once static.
Canwoman

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Reply with quote  #19 
Quote:
Originally Posted by stmbtwle
Why are you asking US?
to see if anyone has designed a way of strapping them to a roof that won't let them flap about but that will allow the strapping or frame to be moved once static.

And because forums are for asking about new ideas
Canwoman

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Reply with quote  #20 
Quote:
Originally Posted by Rick H Parker
Flexible and moveable are not the same thing.
Once mounted, nobody in their right mind wants the panels to be flexible. Constant flexing would cause them to crack and lead to a short live span.
You need to sit down and think, what is it you really need and want.


Flexible solar panels are a niche market. Mostly for mounting on the top of curved RV roofs were mounting holes are a no-no .. the biggest killer of RVs is leaking roofs ... enough said?
yes. Quite enough.
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