>>What about installing the solar fan in the skylight
>>itself or a mounting plate custom designed to fit the skylight hole.>
>
>I did exactly that using a similar fan I got from ZomeWorks in
>Albuquerque some years ago (they don't carry them anymore). I just
>took a piece of masonite, sized it to fit the skylight opening,

This is getting better ---- you could unhook your skylight hardware
(mine unhooks easily --- due to those little 'buttons' being worn)
flip back the skylight and fabricate a bracket that would allow you to
slip the fan into the opening and remove it for driving.

Cheers,
Doug