I recently downloaded freecad software, and I have run into a snag that I cannot seem to find an answer...

I recently downloaded freecad software, and I have run into a snag that I cannot seem to find an answer to. I need more work space than the default work areas. I am designing an amusement ride and need to be able to draw and even animate it. It is 48 x 32 ft. I also need to be able to do renderings of the seats as they will be seen on the ride. Is there any way of changing the screen settings to accommodate the large sizes I need to draw out? If so please send me detailed directions so that I can get back to work, calculating pixs in windows paint in order to keep scale consistent is a royal pain for 2D drawings. Thank You, Mike Lane P.S.: Please send me an email to my personal email address xxx@gmail.com. I normally don't give this out but I am desperate for some help, thank you again!