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Mocom Model Boat Propellers
Octura Surface piercing Props     Propeller Use Chart

MOCOM ALUMINIUM SUBMERGED DRIVE RACING MODEL PROPELLERS

MOCOM model boat propellers have been used by every World FSRV Champion since 1984 and almost every British Champion since they were first introduced.    THE  PROPELLERS ARE LISTED BELOW IN ORDER OF THEIR LOAD EFFECT ON THE ENGINES. All are highly polished aluminium with M5 thread, except where specified.  Dave Marles designed

The B series CNC props are based on the 2026 propeller design and are for 3.5cc. The A series are based on the 5780 design which has a slightly bigger blade area to pitch ratio.
Propeller Diameter Pitch    Price
B49.8CNC wpe8A.jpg (7097 bytes) 49.8mm  68.5mm    17.95
B50CNC wpe8A.jpg (7097 bytes) 50mm  69mm    17.95
B50.5CNC wpe8A.jpg (7097 bytes) 50.5mm  69.5mm    17.95
B51CNC wpe8A.jpg (7097 bytes) 51.00mm  70mm    17.95
B52CNC wpe8A.jpg (7097 bytes) 52mm  71mm    17.95
A52.5CNC wpe8A.jpg (7097 bytes) 52.5mm  73mm    17.95
A53CNC wpe8A.jpg (7097 bytes) 53mm  74.5mm    17.95
A53.5CNC wpe8A.jpg (7097 bytes) 53.5mm  75mm    17.95
A54CNC wpe8A.jpg (7097 bytes) 54mm  76mm    18.95
A54.5CNC wpe8A.jpg (7097 bytes) 54.5mm  76.5mm    18.95
A57CNC wpe8C.jpg (7097 bytes) 57mm  80mm    18.95
A58CNC wpe8C.jpg (7097 bytes) 58mm  81.5mm    18.95
A59CNC wpe8C.jpg (7097 bytes) 59mm  82.5mm    18.95
A60CNC wpe8C.jpg (7097 bytes) 60mm  84mm    18.95
A61CNC wpe8C.jpg (7097 bytes) 61mm  86m    19.95
2027M   50.5mm   74.5mm      7.95
5780    57mm 80mm 12.50
5983  (old number 2432)  59mm 83mm 12.50

RECOMMENDED USE
3.5cc direct drive 1816.
3.5cc geared.(1.89:1 to 2:1) 2023,  1924, 2024.
6.5/7.5cc direct drive 1818, 1919,  
7.5cc geared.(1.52:1 to 1.55:1)2025, 2026,2127,2227
10 to 11cc 2024, 2025, 2026.
13cc 2026.
15cc 748, 2127, 2227.
26cc 5780, 5783 
35cc 2640, 2735.

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