I thought so myself but the manual lists a 14X7 for scale plane and 13X8 the prop you mention is listed for a stunt plane i will buy a smaller prop today. its cheep enough for a go round as im buying a few for a OS 46 ax that i will put in a hangar 9 cap232-40 im gona get a list of them from 10X6 to 12.25X3.75 see what happens with that thing Rut Roh