[WOEI]

The I-16 pit rather than the Ki-27's would, I think, be a better stand-in (until somebody makes the real P-26 pit); there is no canopy to worry about and the rearward view would be closer to the P-26's rearward view.
This plane is FUN, FUN, FUN!!!!!! Deutschmark is certainly to be commended for bringing this into the sim.

Issue with the Polikarpov I-16 is the reflector sight. I think the Ki-27 is the closest overall match we can get to the P-26 unless someone makes a cockpit for it.