I 2nd Fastsky`s recommendation of a WM T-34 as prep for sport scale warbirds. I`ve flown both a 4* and the T-34 and the `34 has a much more deliberate rate of decent than the 4*. A 46 and a 10X6 or 7 prop on the ` 34 and you can get a feel for what a hot landing`s all about!!