Here's what I could find. I put them in one convenient pack. There surely could be more than what I found.
Alpha.SH-2.Seasprite.BananaBob.rotors.FS9, AS_AH1W_Cobra_Rotors, AS_Apache_Rotors_Textures,
as_bristol_blenheim_prop, AS_H60_blackhawk_rotors, AS_V22_Osprey_Props_FSX,
B24_Liberator_Prop_v2, B26_Marauder_Props, BananaBob_Alt_Prop, Bell206B_Rotors_FSX, C119_Prop,
C130_Hercules_Prop, Cherokee_180_Prop_fsx, curtiss_jenny_fsx_prop, DoDo_FSX_rtrs,
Epic_Dynasty_Prop, Epic_LT_Prop_fs9, fsx_extra_300s_prop, fsx_j3cub_prop, Howard_500_Prop_fsx,
Iris_P40Series_Prop, Kamov_ka50_fs9_rotor, Kamov_Ka50_rotor, Kingair_350_AFG_Props,
Lublin_RWD_8_Props, Me109_Prop_A2A, mooney_bravo_fsx_prop, Mooney_M20J_Prop_FSX,
Piasecki_H21C_rotors, Pyro_Rotor, Seasprite_FS9_Rotors, Seasprite_FSX_Rotors,
soh_donationware_prop, Spartan_Exec_SP2_Prop, Spitfire_Prop_A2A, Westland_Wyvern_Prop_FSX,
WoPII_P40_Prop
Uploaded with permission of Bob Rivera (BananaBob)
Alpha.SH-2.Seasprite.BananaBob.rotors.FS9, AS_AH1W_Cobra_Rotors, AS_Apache_Rotors_Textures,
as_bristol_blenheim_prop, AS_H60_blackhawk_rotors, AS_V22_Osprey_Props_FSX,
B24_Liberator_Prop_v2, B26_Marauder_Props, BananaBob_Alt_Prop, Bell206B_Rotors_FSX, C119_Prop,
C130_Hercules_Prop, Cherokee_180_Prop_fsx, curtiss_jenny_fsx_prop, DoDo_FSX_rtrs,
Epic_Dynasty_Prop, Epic_LT_Prop_fs9, fsx_extra_300s_prop, fsx_j3cub_prop, Howard_500_Prop_fsx,
Iris_P40Series_Prop, Kamov_ka50_fs9_rotor, Kamov_Ka50_rotor, Kingair_350_AFG_Props,
Lublin_RWD_8_Props, Me109_Prop_A2A, mooney_bravo_fsx_prop, Mooney_M20J_Prop_FSX,
Piasecki_H21C_rotors, Pyro_Rotor, Seasprite_FS9_Rotors, Seasprite_FSX_Rotors,
soh_donationware_prop, Spartan_Exec_SP2_Prop, Spitfire_Prop_A2A, Westland_Wyvern_Prop_FSX,
WoPII_P40_Prop
Uploaded with permission of Bob Rivera (BananaBob)