John Steere sent this email on 2003-05-28:
I've received several questions asking how I extended my wing. It might be helpful to others to have access to the attached pdf drawing. The quality is not great, but the necessary information discernable. This is a blow-up of a thumbnail sketch in an early BD catalog. Can this be added to the wing building instructions where ever you feel appropriate?
<<Wing Extension Drawing.pdf>>
And here is the drawing (click on the thumbnail to view a full sized PDF document):