first there is a few differences betwen the TF and H-9 spit gear positioning
the TF has a angle and drop to the rails, which was a pain to get them perfect,I ended up using epoxy and micro balloons to "bed" the retracts so they would operate smoothly, the smallest twist in the plastic robarts caused binding problems after only a couple of cycles, as the pressure dropped, they now operate perfectly.
also when installing the struts, TF has you bend the strut at a slight angle for the forward rake needed to retract into the wing, this requires a eliptical opening for the wheel to fit into a resonably small hole in the wing unless you want a overlarge gash in the bottom of the wing.
LADO is coming out with a 90o retract that will work in the TF spit
http://www.lado-tech.net/proddetail.php?prod=60-5 its not available yet, but putting a 85o gear in the spit won't work with there design, or your going to have a splayed out gear that is going to look super goofy, as it is there very lightly splayed out.
if you look at the photo the dihedral in the TF is no where near that of a H-9 warbird ARF, its actually a pretty flat wing.