Yes. A tables is never 2 : 1. Is that a surprise?
Only the inside dimension are 2:1. (50 x 100). That's why most of us having the "fancy technical answers" base everything off of the inside, known dimensions.
The outside dimensions of course are not 2:1 since you don't double up rails or cushions on the length versus the width. The outside dimensions are approximately 112" x 62" or whatever the specific rails and cushions will get it to past the 100" x 50" dimensions. If the rails and cushions are 4", then the outside dimensions would be 108" x 58" (9' x 4' 10").
It actually makes no sense after all these years to come to this board and ask for a minimum size and get a 19' x 14.5' answer. We should be better than this. 19' x 14.5' gives a 6" stroke on the long side at a minimum, but it gives a 4" stroke minimum on the width. Why would we tell people that? Surely we aren't saying that your minimum stroke requirement is different for the long way versus the short way!!! The person who asked and then actually buys a house at 19' x 14.5' is going to be quite surprised when he realizes that he is smaller on the side than the length. Thanks AZB.
Of course, we all can live with smaller rooms, but at least let's stop giving baseline answers that don't make any table sense. If we're going to add 10' to the dimensions, adding it to the actual measured outside dimensions at least gives an answer with equal stroking all around. I'd rather do the fancy math to the inside.
You're welcome.
Freddie <~~~ there's a reason why I go on