O.S. FS-26s, FAI und 5% Nitro Esteröl Kraftstoff (Fuel)
![](https://i.ytimg.com/vi/Dink8xaQxw8/maxresdefault.jpg)
O.S. FS-26s4,26 ccmTestlaufSimprop SE10 TrainerOS F Glühkerze (Glow Plug)10x6 Propeller0% Nitro20% Rizinusöl (Castor Oil)80% Methanol 5% Nitro20% Synthetisc
O.S.Engines What is Aeromodelling Nitro Engine Fuel Cars Heli
![](https://i.ytimg.com/vi/Tp84ivkkcaw/hqdefault.jpg)
O.S. FS-40 Bio Ethanol Rev 2
![](https://i.ebayimg.com/images/g/9LwAAOSwsfJiOMgm/s-l1200.jpg)
OS Engine - OS Surpass 26 FS series - FS-26 motor - New!
![](https://i.ytimg.com/vi/MorddBSCEYo/maxresdefault.jpg)
Robbe Progo, Webra Speed 50, FMSC Sontra
![](https://i.ytimg.com/vi/1tLJguewB_M/sddefault.jpg)
1964 O.S. MAX-S 30 R/C, OS-703 Schalldämpfer (Muffler)
![](https://www.rctech.net/forum/attachments/offroad-nitro-engine-forum/52062d1098775779-os-fs26s-c-4-stroke-development-compare.gif)
OS FS26S-C 4-stroke development - Page 3 - R/C Tech Forums
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ASP FS61AR, 12x6 Propeller, 0% Nitro, Standschub, Static Thrust
![](https://www.rctech.net/forum/attachments/offroad-nitro-engine-forum/954476d1344091398-os-fs26s-c-4-stroke-development-pict0083-large-.jpg)
OS FS26S-C 4-stroke development - Page 82 - R/C Tech Forums
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OS FS 26 - Four Stroke Glow Engine Run & Review