Propellor Selection Guide

cu.in

2-stroke

4-stroke

.10

7"x4" - 7"x6" -
.15 7"x4" - 8"x4" -
.21 8"x6" - 9"x5" -
.25 9"x5" - 9"x8" 9"x6" - 10"x6"
.28 9"x5" - 9"x8" -
.30 - 10"x6" - 11"x4"
.32 9"x6" - 10"x6" -
.36 9"x6" - 10"x6" -
.40 9"x6" - 11"x6" 10"x7½" - 12"x6"
.45 10"x6" - 11"x7" 11"x6" - 13"x4½"
.51 10"x6" - 12"x6" 10½"x8" - 12½"x6"
.60 11"x7" - 12"x8" 11"x8" - 13"x6"
.75 12"x8" - 13"x6" -
.90 13"x6" - 14"x6" 13"x6" - 15"x6"
1.20 16"x6" - 18"x10" 14"x11" - 18"x6"
These figures  are for guidance only.
Please refer to the engine manufacturers recommended prop. sizes
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