I'm getting to the point in construction where I am getting ready to mount the 2.1 Moki. The plane will later have a 3 1/2" aluminum Spinner added.

The plane is an 18 lb, 84" Big Bingo. I am told it is a close relative of the smaller Sig Star 60 in performance. The plans show zero right thrust, and neither is an option about adding right thrust mentioned in the instructions.

I love building planes but know little about flying them and how they act up there. So I need you to tell me if I should add right thrust, or was this plane purposely built without it for good reason? I'm always suspicious when a designer leaves something out that I know is usually a good thing to have.