Parabolic shape is perfect for P-51s, Extras, and many other planes. Big Cut Vortech Spinners begin with the 3 diameter and include all sizes up to 6 . These ...More

Parabolic shape is perfect for P-51s, Extras, and many other planes. Big Cut Vortech Spinners begin with the 3 diameter and include all sizes up to 6 . These spinners have larger cut-outs than other styles so they comfortably fit much larger propellors. In all styles of "Big Cut" spinners, use the following guideslines:3" are cut for 16x8 APC or similar props3-1/4" 3-1/2" are cut for 20x10 Menz/Mejzlik or similar props4" 4-1/2" are cut for 24x10 Menz/Mejzlik or similar props5" 5-1/2" are cut for 26x10 Menz/Mejzlik or similar props6" are cut for 30x10 Menz/Mejzlik or similar propsLess