guys pick up a nib 4* had one before darn thing flew away on me no one could figure it out this 4* i would like to put a 0s 52 4 stroke in it will the plane handle it? i could also go with a 46 fx what do you guys think . building my hang 9 p 40 for my winter project putting a saito 100 in her thanks for the feed back phil.

Phil,

Assuming you are talking about a 4*40. THe 52 will fly it well and so will the 46AX