O.S. Engines
SUGGESTED PROPELLER SIZES
TWO-STROKE ENGINES
|
DIA X PITCH |
Running-in
|
Trainer / Sport
|
|
10LA |
7x4
|
7x3-5,8x4 |
15LA | 8x4 | 7x5-6,8x4-5 |
25LA |
9x5
|
9x5-6 |
46LA |
11x6
|
11x6-7 |
65LA |
12x6
|
12x7-8,13x6-8 |
Running-in |
Aerobatic / Sport
|
|
15LA-S | 8x4 | 8x4-6 |
25LA-S |
9x6
|
9x6,10x5 |
40LA-S |
11x5
|
11x5-6 |
46LA-S |
11x6
|
11x6-7,12x5-6 |
Sport
|
Aerobatic
|
|
15CV-A | 7x5-6,8x4-6,9x4 | 8x4-6 |
25AX | 9x5-6,9.5x5,10x5 | ----- |
35AX | 10x6-7,11x6,12x6 | ----- |
35AX BE | 10x6-7,10.5x6,11x6 | ----- |
46AX | 10.5x6,11x6-8,12x6-7 | ----- |
55AX | 12×7-8,13×6-7 | ----- |
55AX-BE | 12×7-8,13×6-7 | ----- |
61FX | 12x6-8,13x6-7 | ----- |
65AX | 12×6,13×6-7,14×6 | ----- |
75AX | 13x8-10,14x6-8 | ----- |
75AX-BE | 13x9-10,14x6-8,15x6 | ----- |
95AX RING | 14x8,15x6-8,16x6-8 | ----- |
120AX RING | 15x10-12,16x8-10 | ----- |
120AX RING-BE | 15x10-12,16x8-10 | ----- |
140RX | ----- | 16x14,17x13 |
160FX RING | 15x13-14,16x12-14, 17x12-13,18x8-10,20x8 |
----- |
BGX-1 RING(RN) | 18x10-12,20x8-10 | 18x10-12,20x8-10 |
Running-in
|
Sport/Acro/Scale
|
|
GT55 | 22x8 | 22x10,23x8,23x10,24x8,24x10 |
GT33 | 18x8 | 18x10,18x12,19x10,20x8,20x10 |
GT22 | 15x10 | 16x8,16x10,17x6,17x8 |
FOUR-STROKE ENGINES
|
Single-cylinder
|
Sport & Stant
|
Scale
|
FS-30S | 9x6-7,10x4 | 10x5-6 |
FS-40S | 10x7-7.5,11x6 | 10x7,10.5x6,11x7, 12x5-6 |
FS-62V | 12x6-7,13x6-7 | 14x6 |
FSα-56 | 12x6-8,13x6 | 12x6-8,13x6-7 |
FL-70 | 12x7,12.5x6,13x6 | 12.5x6,13x6-7 |
FSα-72 | 12x7-8,13x6-8,14x6-7 | 12x7-8,13x6-8,14x6-7 |
FSα-81 | 13x7-9,14x6-7 | 13x7-9,14x6-7 |
FSα-81-P | 13x7-8,14x6-8 | 13x7-8,14x6-8 |
FS-91S II FS-91S II-P |
11x11-12,12x10-12,13x9 | 13x9,14x7,15x6,16x6 |
FS-95V | 13x7-9,14x6-8,15x6-8 | 13x7-9,14x6-8,15x6-8 |
FSα-110 | 13x9-11,14x8-10 | 15x8,16x8 |
FSα-110-P | 13x9-11,14x8-10, 15x8,16x8 |
13x9-11,14x8-10,15x8,16x8 |
FSα-155-P | 16x8-12,17x8-12 | 16x8-12,17x8-12 |
FS-120S-E | 13x11-12,14x10-11, 15x8,16x6-7 |
15x8,16x6-7,18x5-6 |
FS-120S III | 13x11-13,14x10-11 | 15x8,16x6-8,18x5-6 |
FS-200S-P | 16x12N-15,16.5x12-14, 17x10N-13,18x6W-12, 20x8 |
16x12N-15,16.5x12-14, 17x10N-13,18x6W-12, 20x8 |
FS-200S | 15x12-14,16x12-14, 17x10-13,17x12-13, 18x6-10,18x8-12,20x8 |
15x12-14,16x12-14, 17x10-13,17x12-13, 18x6-10,18x8-12,20x8 |
Twin & Multi-cylinder
|
Sport & Scale
|
|
FR7-420 (SIRIUS7) |
22x10-12, 23x8-12, 24x8-12, 26x8 | |
IL-300 |
18x10-12,20x8-10,22x8
|
|
FT-160 (Gemini-160) |
16x8,18x6-8,20x6
|
|
FT-300 (Super Gemini-300) |
18x10-12,20x8-10,22x8
|
|
FF-320 (Pegasus) |
18x10-12,20x8-10,22x8
|
|
FR5-300 (Sirius) |
18x10-12,20x8-10,22x8
|
WANKEL ROTARY ENGINES
|
ROTARY ENGINE
|
Sport & Scale |
ROTARY ENGINE 49PI TypeII |
9x6-7,10x4-6,11x4-5
|