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Old 06-09-2015, 04:27 PM   #101
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... you have the unpredictable wind conditions going down the road . If the wind is blowing right doesn't matter how slow you are going I would think . Pat
Yes, I suppose your right. I think the only wind condition we have any control over is tow speed. When you think of it, a trailer traveling at 60 mph has a 60 mph wind hitting it. I usually tow at about 55 mph and I get passed all the time.
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Old 06-09-2015, 04:29 PM   #102
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The posted record of solar panel losses while driving seems to me to point at clear evidence that failures are due mostly if not exclusively to one and only one specific cause: unusually severe weather.

Al Gore was right. I'm blaming solar warming.
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Old 06-09-2015, 04:32 PM   #103
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where did you see the posted record MyronL?
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Old 06-09-2015, 04:38 PM   #104
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Re-read post #91.
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Old 06-09-2015, 05:13 PM   #105
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Yes, I suppose your right. I think the only wind condition we have any control over is tow speed. When you think of it, a trailer traveling at 60 mph has a 60 mph wind hitting it. I usually tow at about 55 mph and I get passed all the time.
Me too .Pat
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Old 06-09-2015, 05:15 PM   #106
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MyronL, I just read post 91 and it looks to me like the failure comes from epoxy not severe weather. I'm not doubting weather as an ingredient to this failure I just haven't seen the same proof you've seen. High winds tear apart stuff all the time. I'm happy that the panels are now being bolted. Still, I have to say that a 60mph head wind (towing speed) could be a factor and perhaps a fairing could diffuse this force.
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Old 06-09-2015, 06:12 PM   #107
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I also asked about the use of fairings in post 46 of this same thread.
Another thing that hasn't been addressed, in regard to solar panels blowing off, is tow speed. How fast should one (safely) tow a fully loaded Escape Trailer. Would speed have a bearing on this particular problem? It might.
Dont think speed was a factor. We were driving between 60 and 65 mph but had lots of crosswinds in a thunderstorm situation. Wide open plains ... might have been less than 60...don't know exactly when the panel took off....
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Old 06-09-2015, 06:21 PM   #108
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Folks:
I just emailed ETI and commended them for the manner in which they;'re handling this issue. I spent my working life in the retail outdoor industry. I frequently heard suppliers try to explain away problems with their products by claiming that their return rate was less than 3%. According to Reace's figures, the failure rate with the epoxy mounted panels was 0.7%, and the VHB mounted panels 1.7% (combined failure rate of only 0.78%!). That ETI is taking this relatively small failure rate so seriously (and offering a solution for both current and previous customers) is an example of outstanding customer service--well done!
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Old 06-09-2015, 11:25 PM   #109
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Have driven 65 - 70 mph in gusty 60 mph crosswinds for better part of two days travel through Montana and Alberta and my solar panel is intact. I suspect problems are less related to speed and wind, and more related to bond quality on individual installations.
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Old 06-09-2015, 11:51 PM   #110
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Reace, just wondering if you have considered a fiberglass fairing around the epoxy attached solar panel ?
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Another thing that hasn't been addressed, in regard to solar panels blowing off, is tow speed. How fast should one (safely) tow a fully loaded Escape Trailer. Would speed have a bearing on this particular problem?
Airspeed certainly will be important, as will airflow direction. Both are the result of combining road speed and wind speed and direction. Both intentional body features (such as airdams) and incidental features (vents, air conditioner, etc) will affect airflow as well. Air deflectors with an assurance of effectiveness might not be simple to design, and I don't think there will be an easy definitive answer (such as "you're good to 100 kilometres per hour regardless of wind and other equipment") other than from experience.
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