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OS Engines

O.S FX series engines for RC. O.S are the state-of-the-art in sport/competition engines!

First to introduce a mass-produced 4-stroke engine, an innovator in every phase of R/C engine production, O.S. also retains a tradition of craftsmanship that pays off in durability and power. Each new engine is the product of over two years of testing and design--and more than two generations of R/C engine experience.

OS Four Stroke Series

[OS33000] OS FS30S four stroke motor w/muffler
 
[OS34300] O.S FS56a - 4 stroke engine - Performance boost for your 40 class plane.
  
[OS34810] O.S FS81a - 4 stroke engine ideal power for 60 class planes. [OS34810] O.S FS81a - 4 stroke engine ideal power for 60 class planes.
  
[OS35530] O.S FS120S-E - 4 stroke engine - Tremendous 4-stroke power for high-demand applications

 		 
[OS35960] O.S FS120S - 4 stroke engine  
[OS35940] OS FS-200S Four Stroke motor [OS35940] OS FS-200S Four Stroke motor
  
[OS5960] O.S FS 200S-P - 4 stroke engine ideal power for sport or scale planes.
  

OS AX / FX Series

The OS .46AX replacement for the high-performance .46 FX, it’s no wonder that the .46 AX shares many of its features. [OS15480] The OS 46AX replacement for the high-performance .46 FX, it’s no wonder that the OS .46 AX shares many of its features.
 		 
[OS15610] O.S 55AX when you want more power for your .40 class planes. [OS15610] OS 55AX when you want more power for your .40 class planes.

 		 
OS 61FX - "Once started, the .61 FX has a nice slow and reliable idle, and then it will accelerate quickly and cleanly to peak RPM" [OS17750] OS 61FX - "Once started, the .61 FX has a nice slow and reliable idle, and then it will accelerate quickly and cleanly to peak RPM"
 
[OS17400] OS 75AX two stroke motor w/muffler [OS17400] OS 75AX two stroke motor w/muffler
 
OS 91FX - Designed for sport, but engineered for excellence, the .91 FX offers the power and user-friendly features of other FX Series engines in a displacement fit for large-scale aircraft. [OS19021] OS 91FX - Designed for sport, but engineered for excellence, the .91 FX offers the power and user-friendly features of other FX Series engines in a displacement fit for large-scale aircraft.
 		 
OS 120AX - series is ideal for 3D, Precision and Sport flying [OS19218] OS 120AX motor w/o muffler - ideal for 3D, Precision and Sport flying

 		 
[OS19260] OS 160FX - The most powerful FX engine yet!
 		 

OS Helicopter Engines

OS Engines 37 SZ-H helicopter - Designed to deliver premium performance for 30-sized machines, from extreme aerobatics to stable hovering! OS Engines 37 SZ-H helicopter - Designed to deliver premium performance for 30-sized machines, from extreme aerobatics to stable hovering!
 		 
OS 50 SX-H - Developed expressly for F3C M-class competition machines utilizing .50-size engines, the .50 SX-H Ring heli features the same mounting hole spacing as the .46 FX-H Ring engine so upgrading's a breeze. OS 50 SX-H - Developed expressly for F3C M-class competition machines utilizing .50-size engines, the .50 SX-H Ring heli features the same mounting hole spacing as the .46 FX-H Ring engine so upgrading's a breeze.
 		 
OS 91 SXH - Taking heli performance to a new level. It's the largest engine displacement allowed in FAI F3C and AMA-sanctioned heli competitions! OS 91 SX-H C-Spec - Taking heli performance to a new level. It's the largest engine displacement allowed in FAI F3C and AMA-sanctioned heli competitions!
 		 

OS Glow Plugs for 2 & 4 Stroke Engines

 
 
[OS71641300] OS P3 Ultra Hot Turbo Plug
[OS71641600] OS P6 Hot Turbo Plug
[OS71641700] OS P7 Medium Turbo Plug
[OSPLUG8] OS Glow Plug 8 for 2 stroke engines
[OSPLUGA3] OS Glow Plug A3 for 2 stroke engines
[OSPLUGA5] OS Glow Plug A5 for 2 stroke engines
[OSPLUGF] OS Glow Plug F for 4 stroke engines
 
 

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Article
Article - Getting the Most from Your 2-Stroke Engine... tips and tricks
Getting the Most from Your 2-Stroke Engine... tips and tricks

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