Rich I measured what's on my shelf:
.15 III
Across the beam holes centers 1.32
Fore and aft .53
Shaft length front hole center to back of prop 1.44
.19 series 4004
Across the beam 1.53
Fore and aft .53
Shaft 1.44
.19 series 4005
Across the beam 1.36
Fore and aft .59
Shaft 1.44
Dave