Bill, thanks for the email. There is some good info there and I am going to borrow at least one thing there. In regards to Pull Pull, I have used Pull Pull on the elevator of 3 different airplanes one of them being a 1/3 scale Laser. I did not experience any trim issues with any of them. I do however use nylon coated Kevlar and go to great lengths to get the geometry correct. I suppose at the end of the day this will be influenced mainly by CG as I feel either method works well.

Construction of the plug has started. I am about halfway through fabricating the fuselage sides. The construction method is very old school. Think of the old Bridi or MK kits where there is a bunch of wood and lots of sanding to get the final shape. The main reason for going this direction is that I find building a box more of less is much easier to keep straight and I have lots of material to adjust the shape/radius of parts as I go. Since this is a plug obviously weight is not an issue.