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Last Updated:
22 December 2006
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OMC 120-hp I-4 Propeller Application Chart for the "Electric Stringer
Sterndrive"
Note: SST (Stainless Steel Teflon-coated props
are only offered in odd-inch pitch sizes. Due to their higher efficiency
(thinner, stiffer blades result in less slippage), SST propellers can be
substituted for the one-inch lower aluminum (AL) propeller without sacrificing
hole-shot thrust.
Note: 1964 - 1966 I-4 120
must ONLY use 14.25"
Diameter
("taper-hub") series to clear exhaust outlet.
| Part No |
Dia |
Pitch |
Blades
&
Material |
Mfg |
Approx.
Speed
Range
(MPH) |
Type of Boat and
Approx. Length |
| 381296 |
14.25 |
10 |
3-AL |
OMC |
10 - 20 mph |
Work Boats and Large House Boats
(non-planing)
|
|
|
|
|
|
|
|
|
| 382676 |
14.00 |
11 |
3-AL |
OMC |
10 - 24 mph |
Work Boats and Large House Boats
(non-planing) |
| 012089/PR119 |
14.00 |
11 |
3-AL |
MWC |
|
|
|
|
|
|
|
|
| 382017 |
14.00 |
12 |
3-AL |
OMC |
22 - 28 mph |
21-ft to 27-ft
Cruisers and House Boats |
| 380187 |
14.25 |
12 |
3-AL |
OMC |
| 012090/PR120 |
14.00 |
12 |
3-AL |
MWC |
| 172490 |
14.00 |
13 |
3-SST |
OMC |
24 - 31 mph |
|
|
|
|
|
|
|
|
| 381185 |
14.00 |
14 |
3-AL |
OMC |
26 - 32 mph |
19-ft to 22-ft
Runabouts and Cruisers |
| 380074 |
14.25 |
14 |
3-AL |
OMC |
| 012091/PR121 |
14.00 |
14 |
3-AL |
MWC |
| 172491 |
14.00 |
15 |
3-SST |
OMC |
29 - 35 mph |
|
|
|
|
|
|
|
|
| 381186 |
14.00 |
16 |
3-AL |
OMC |
30 - 36 mph |
17-ft to 20-ft
Runabouts |
| 380188 |
14.25 |
16 |
3-AL |
OMC |
| 012092/PR122 |
14.00 |
16 |
3-AL |
MWC |
| 172492 |
14.00 |
17 |
3-SST |
OMC |
32 - 38 mph |
|
|
|
|
|
|
|
|
| 381187 |
14.00 |
18 |
3-AL |
OMC |
33 - 39 mph |
16-ft to 18-ft
Runabouts |
| 380189 |
14.25 |
18 |
3-AL |
OMC |
| 012093/PR123 |
14.00 |
18 |
3-AL |
MWC |
| 172493 |
14.00 |
19 |
3-SST |
OMC |
36 - 41 mph |
|
|
|
|
|
|
|
|
| 383287 |
14.00 |
20 |
3-AL |
OMC |
37 - 42 mph |
15-ft to 17-ft Light
Runabout |
| 379652 |
14.25 |
20 |
3-AL |
OMC |
| 012094/PR124 |
14.00 |
20 |
3-AL |
MWC |
|
|
|
|
|
|
|
|
| 380190 |
14.25 |
22 |
3-AL |
OMC |
40 - 46 mph |
15-ft to 17-ft Light Runabout |
MWC = Michigan
Wheel Corporation
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