RE: What for a 2nd plane?
Killer G, If you are going with the Tiger2 you should use the OS 46FX that will be plenty of power. But if you gonna go for the Tiger 60 than use the OS 61FX.
If you go with the Tiger 2 and the OS 46 mount the engine as far foward as you can I've built 3 of them the last month for felow club members.
just my opinion
later