Propeller & Engine Chart

           

 

 

Two Stroke Engines

Engine Size Starting Prop Alternate Props
.049

6x3

5-1/4x4, 5-1/2x4, 6x3-1/2, 6x4, 7x3
.09 7x4 7x3, 7x4-1/2, 7x5
.15 8x4 8x5, 8x6, 9x4
.20 - .30 9x6 9x7, 9-1/2x6, 10x5
.35 - .36 10x6 9x7, 10x5, 11x4
.40 10x6 9x8, 11x5
.46 10x7 10x6, 11x5, 11x6, 12x4
.50 11x6 10x8, 11x7, 12x4, 12x5
.55-.61 11x7 11x7-1/2, 11x7-3/4, 11x8, 12x6
.70 12x6 11x8, 12x8, 13x6, 14x4
.78 - .80 13x6 12x8, 14x4, 14x5
.90 - .91 14x6 13x8, 15x6, 16x5
1.08 16x6 15x8, 18x5
1.20 16x8 16x10, 18x5, 18x6
1.50 18x6 18x8, 20x6
1.80 18x8 18x10, 20x6, 20x8, 22x6
2.00 20x8 18x10, 20x6, 20x10, 22x6

Four Stroke Engines

Engine Size Starting Prop Alternate Props
.20 - .21 9x6 9x5, 10x5
.40 11x6 10x6, 10x7, 11x4, 11x5, 11x7, 11x 7-1/2, 12x4, 12x5
.45 - .48 11x6 10x6, 10x7, 10x8, 11x7, 11x7-1/2, 12x4, 12x5, 12x6
.60 - .65 12x6 11x7-1/2, 11x7-3/4, 11x8, 12x8, 13x5, 13x6, 14x5, 14x6
.80 13x6 12x8, 13x8, 14x4, 14x6
.90 14x6 13x6, 14x8, 15x6, 16x6
1.20 16x6 14x8, 15x6, 15x8, 16x8, 17x6, 18x5, 18x6
1.60 18x6 15x6, 15x8, 16x8, 18x6, 18x8, 20x6
2.40 18x10 18x12, 20x8, 20x10
2.70 20x8 18x10, 18x12, 20x10
3.00 20x10 18x12, 20x10