I would not touch his bandsaw unless you have his permission and you were cutting a few pieces of wood not fiberglass... A bandsaw is kind of a personal thing, like a surfboard... It has to be tuned to operate right... I suggest you go buy a decent circular saw with some balls to it and a solid shoe (not one that is bouncy)... Attach it to a piece of plywood and you are good to go... You can do a lot with that saw... If you are careful you can cut out most of your window with it, rip lams width wise if you need too or possibly even rip a whole lam with it... Clamp that belt sander on its side... Make sure the motor can breath so you don't burn it up... I made a good bit of bows with a hand held belt sander...
Good Luck...