OS FS56 4 takt met demper

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€389.90 €322.23

Product Details


OS Engines 56FS-a Alpha Series four stroke ring engine, with 40NA carburetor and included OS F4040 muffler.  A big performance boost for 40-size planes, it's like giving your 40-size plane a new lease on life!  The 56FS-a. It's the first in the alpha series, with the latest advancements for boosting your plane's performance.

Mounts with no-mod ease in the same space as the 52FS.

In addition to less noise, the muffler features a multi-positional manifold with a rubber O-ring that helps prevent oil leakage.

A newly designed lubrication system eliminates the need for crankcase ventilation.

The 40NA carburetor is equipped with a venturi that reduces the chance of fuel leaking out onto the cowl, while also creating more positive air/fuel flow.


Displacement : 9.32cc

Bore : 24.0mm

Stroke : 20.6mm

Weight : 461g with silencer

Output : 1.0 ps /10,000 rpm

Recommended props : Sport & aerobatic; 13x6, 12x6-8; Scale: 13x6-7, 12x6-8


More Information
Manufacturer OS
Article reference OS030
Brand OS

In the box

OS FS56 alpha

F4040 muffler

OS F plug