Stock Code D-11530
D-11530. O.S. MAX 15LA Silv. w/871 Silencer. Compact yet very powerful, the Max 15LA is the kind of engine that just gets on with the job – minimum fuss and maximum reliability.
Stock Code L-OS11620
Famous CV engine technology has now been adapted for R/C airplane use. The result is the 15CV-A—a bold new power plant for your racing plane or combat aircraft.
Stock Code L-OS12352
L-OS12352. O.S. MAX 25LA Silv. w/E-2030 Sil. Like its larger brothers the 25LA replaced its FP predecessor and offers the kind of reliable performance you would expect from O.S. with all the design advantages of the latest LA series.
Stock Code L-OS12670
L-OS12670. O.S. MAX 25AX w/E-3080 Silencer. Developed from the fabulous 25FX, the new 25AX inherites the dramatic styling of its AX siblings and provides class leading power and torque for both sports flying or even Pylon racing!
Stock Code L-OS13100
L-OS13100. O.S. MAX 35AX w/E-3080 Silencer. Designed specifically for light weight and high power output from a compact crankcase, the Max 35AX is an ideal engine for 'Fun Fly' and 3D flying.
Stock Code L-OS13393
L-OS13393. O.S. MAX 46LA Silv. w/E-3030 Sil. Physically identical to the popular 40LA but with a 20% increase in power and no discernible increase in weight.
Stock Code L-OS15481
As the replacement for the high-performance 46FX, it's no wonder that the .46 AX shares many of its features. The raw power. A remote needle valve. Mounting bolt patterns. A balanced "D"-cut crankshaft supported by dual bearings. CNC-machining for the piston and other parts.
Stock Code L-OS15611
Increase displacement in your 40-size model the easy way: just drop in a 55AX engine! You'll enjoy more horsepower for swinging bigger props — which means improved 3D, precision and sport flying. Best of all, there's no modifications required!
Stock Code L-OS16512
A low-cost engine for beginners and sports models, it is reliable and very easy to handle. In both cases the needle valve is mounted at the rear of the motor, so that it can be adjusted safely and at a distance from the spinning propeller.
Stock Code L-OS17400
The third engine in the new ‘AX’ range of high performance 2 stroke engines fills a convenient gap between the existing 61FX and 91FX, yet features the radical new style pioneered with the fabulous 55AX.
Stock Code L-OS19021
Sharing exactly the same mounting pattern as the 61FX, the 91FX offers 47% more power with almost no weight penalty! Just like all FX series engines the 91FX has the rear needle valve assembly with the addition of a variable fuel inlet location
Stock Code L-OS19210
The distinctive shape is hard to ignore, and with peak power of 3.1PS at 9000RPM, you can be sure that this engine loves big propellers! OS recognised that engines of this size are often used in scale models and have developed a silencer system that allows adaption to some of the 'tightest' installations.
Stock Code L-OS19260
L-OS19260. O.S. MAX 160FX Ring w/E-5010 Sil.
The largest engine in the FX series boasts impressive bhp for its compact external dimensions.
Stock Code L-OS19301
L-OS19301. O.S. MAX BGX-1 (RN) w/E-5010 Sil.
The largest single cylinder engine in the O.S. range, the BGX-1 was designed to offer smoother running and a more compact size than equivalent capacity petrol engines together with light weight and easy operation.