What Prop ?
for glo engines I use APC,
for petrol Menz.
I'm amazed when anyone buys a master airscrew. You spend all that time and money putting together a model with a decent engine etc, then then choose a crapy prop thats best used for mixing epoxy !
I have tried a Just Engines Carbon jobbie for my moki 135, and I have to say I was impressed, although I only had 4 flights with it before I lost it and the model in a mid air.