This section on Great Planes seems to have good info:
http://www.electrifly.com/motors/gpmg4505.html
The rimfire 80 seems to meet your requirements.
I'm going to build a Wing Mfg P-39 soon, and I'm going to use their ".32" size. Seems to meet all the requirements and besides I have a nice 4250 3S pack that should work great with it.