Many of us have.

On Jun 14, 2012, at 10:08 PM, tom ring wrote:

> I have just replaced 2x15W solar panels which were mounted about as far towards
> the front as practical.  After I installed them I realized I'd done a very bad
> thing and meant to never do it again as it made lifting the roof pretty tough.
>
> I just finished installing 2x90W panels located as far to the rear as possible
> to make sure it's as easy to lift as possible.
>
> They are much tougher to lift than the old ones despite the position.
>
> Has anyone ever worked out anything that would assist in lifting the roof?  I
> have come up with a couple in my mind, but they may not be practical.
>
> tom