Hi I called iron bay and they are out of stock if you have a byron F-16 kit you could help me by tracing on paper the rear formers for the, elevator servo trays,the 2 formers that go in the tail and the inner roots that glue to the elevator these have the drop tabs that the servo attaches to, im trying to upgrade a older design from the egg yoke to the 2 servo system I will gladdly pay for these and will be gratefull for the help!! thanks very much