David, My guess is the heat generated from the solar panel warped the plexiglass. Those flexible panels can produce a lot of heat. Some people place a sheet of corrugated plastic under them to help with airflow.
On Sat, Dec 5, 2020, 2:06 PM David Knecht <davidakne...@gmail.com> wrote: > The smoked plexiglass sliding hatch on my boat seems to be warped and I am > not sure why. For several years, I have had a thin flexible 50W solar > panel velcro’d to the top of it. The spacing between the panel and the > bridge that supports the traveller was initially tight, so I ground the > fiberglass with a Dremel so the panel would fit underneath as it slid. But > I noticed that however much I ground it, the spacing would decrease over > time, so that last summer, I had to lean on the panel to get it to fit > underneath. Once out of the sun, it would relax some, but the situation > got worse as the summer wore on. I pulled the whole sliding panel and > brought it home and the plexiglass is clearly warped. I can’t see how the > solar panel on top would cause that to happen because most of the time, > most of the plexiglass is out of the sun, covered by the solar panel. I > guess I am going to have to replace the entire panel as it is now seriously > warped in some areas. If anyone has any thoughts on what caused this and > what to do about it, I would appreciate the advice. Thanks- Dave > > S/V Aries > 1990 C&C 34+ > New London, CT > > > Thanks to all of the subscribers that contributed to the list to help with > the costs involved. If you want to show your support to the list - use > PayPal to send contribution -- https://www.paypal.me/stumurray Thanks > - Stu
Thanks to all of the subscribers that contributed to the list to help with the costs involved. If you want to show your support to the list - use PayPal to send contribution -- https://www.paypal.me/stumurray Thanks - Stu