Generic Prop sizes for guidance

TWO STROKE ENGINES

Size

Sport

Aerobatic

40

10 x 6, 10.5 x 6, 11 x 6-7

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46

10.5 x 6,11 x 6-8, 12 x 6-7

11 x 8-10, 12 x 7-9

50

11 x 6-10, 12 x 6

12 x 7-9

61

12 x 6-8, 13 x 6-7

12 x 9-11

91

15 x 8, 16 x 6-8, 17 x 6

13 x 11-13

108

14 x 6-8,15 x 6-8, 16 x 6, 18 x 6

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140

15 x 14-16, 16 x 13-15

15 x 14

FOUR STROKE ENGINES

Size

Sport & Aerobatic

Scale

40

10 x 7-7.5

10 x 7, 10.5 x 6, 11 x 7, 12 x 5-6

52

10 x 9-10, 10.5 x 8-9, 11 x 7-8

11 x 7-8, 12 x 6, 12.5 x 6

70

11 x 8-9,12 x 7-8, 12.5 x 6

13.5 x 8, 14 x 7

91

11 x 11-12, 13 x 9, 14 x 7

15 x 6, 16 x 6

120

13 x 11-13, 14 x 10-11

15 x 9, 16 x 6-7,18 x 5-6