I am thinking about building one of these. Is there a material list for the types and quantities of wood needed to complete the plane (e.g., balsa sticks and sheets, basswood/hardwood, etc.), or is the full size material list OK? Additionally, what kind of down-thrust would be needed for a K60G? Has anyone moved the wing back a bit to minimize lead needed in the nose to balance? And one more question (for now), what retracts would go well with the 83% turbinator?