3in Plastic Spinner with Alu Alloy Plate (Pair)

1 pair of 3''/75mm Plastic Spinner with Alu Alloy Plate, choose your colour

Specifications:

Diameter of Bottom Plate:  75mm/3.0in

Aperture of Bottom Plate:  8.04mm

Application:  used for Electric powered and gasoline powered airplanes

Recommended Engine for spinners:

2.0in:  suitable for two strokes 15-20 grade nitro engine

2.5in:  suitable for two strokes 50-60 grade nitro engine

2.75in:  suitable for 20cc gasoline engine or two strokes 60-80 grade nitro engine

3in:  suitable for 26-30cc gasoline engine

3.25in:  suitable for 40-45cc gasoline engine

3.5in:  suitable for 50cc gasoline engine

3.75in:  suitable for 60-80cc gasoline engine

4in:  suitable for 80cc gasoline engine

4.5in:  suitable for 100cc gasoline engine

4.75in:  suitable for 150cc gasoline engine

5in:  suitable for 170cc gasoline engine

5.5in:  suitable for 200cc gasoline engine