If you build the aeromaster as lAndrews intended it you will have a 6# airplane long top wing short bottom with aerlons. power OS fs90. cover with silk.Mine is still with me. dont screw with the design. no matter what you do to it you wont improve it It is fine like it is.plenty of extra rubber bands holding it together'Had this thing since 1980 could use restoration'needs modern radio equiptment any takers

Tom