Prop Chart
 TWO STROKE ENGINES

STARTING PROPALTERNNATE PROPELLORSENGINE SIZE
6x35.25x4, 5.5x4, 6x3.5, 6x4, 7x3.049
7x47x3, 7x4.5, 7x5.09
8x48x5, 8x6, 9x4.15
9x48x5, 8x6, 9x5.19-.25
9x69x7, 9.5x6, 10x5.20-.30
10x69x7, 10x5, 11x4.35-.36
10x69x8, 11x5.40
10x710x6, 11x5, 11x6, 12x4.45
11x610x8, 11x7, 12x4, 12x5.50
11x711x7.5, 11x7.75, 11x8, 12x6.60-.61
12x611x8, 12x8, 13x6, 14x4.70
13x612x8, 14x4, 14x5.78-.80
14x613x8, 15x6, 16x5.90-.91
16x615x8, 18x51.08
16x816x10, 18x5, 18x61.20
18x618x8, 20x61.50
18x818x10, 20x6, 20x8, 22x61.80
20x818x10, 20x6, 20x10, 22x62.00

FOUR STROKE ENGINES
 
STARTING PROPSALTERNATE PROPELLERSENGINE SIZE
9x69x5, 10x5.20-.21
11x610x6, 10x7, 11x4, 11x5, 11x7, 11x7.5, 12x4, 12x5.40
11x610x6, 10x7, 10x8, 11x7, 11x7.5, 12x4, 12x5, 12x6.45-.48
12x611x7.5, 11x8, 12x8, 13x5, 13x6, 14x5, 14x6.60-.65
13x612x8, 13x8, 14x4, 14x6.80
14x613x6, 14x8, 15x6, 16x6.90
16x614x8, 15x6, 15x8, 16x8, 17x6, 18x5, 18x61.20
18x615x6, 15x8, 16x8, 18x6, 20x61.60
18x1018x12, 20x8, 20x102.40
20x818x10, 18x12, 20x102.70
20x1018x123.00