RE: wire landing gear, too springy
This set of 5/32 wire gear is on its third trainer. However, it is REAL 5/32 piano/music/whatever wire; NOT the soft crap with the shiny fake-chrome plating which comes with most Asian ARF trainiers.
The cross brace is made form the same stuff; fitted, wrapped with copper wire, and soldered (you need a big gun or torch to handle this sort of job).