RE: Second plane...should I do it?
Just remember that is light "scale" landing gear and won't take a lot of bouncing and splatting like a sproingy trainer's gear will. It will either damage the wing or the gear to slap her down hard. You also have the added difficulty of an inaccessable engine for tuning and adjustments. Scale models aren't really the best choice for #2, but you may have no regrets if you go for it.