You'll love the prop,
I've had mine for 8 years (but its been on the T18 since 2003... installed by the previous owner)... great cruise (150 kts IAS (160 kts TAS on this day) at 22 inches and 2250 RPM) and smooth with my landol balancer.. pics in my folder at T-18 MAS site
http://i264.photobucket.com/albums/ii16 ... 007064.jpgMine is described as the Warnke AIRCLAW and although I don't have the paper work here with me the model gives a range of pitch something like 70 x 72-80... I can have a look if needed