O.S.Max Aero Engines

The list below shows the most popular engines we sell for r/c fixed wing aeroplanes The list is not exclusive, if you are looking for a particular engine not shown here let us know and we will try to help. Contact us for competitive prices.

O.S.MAX-10LA The smallest engine in the O.S. range, the 10LA features rear mounted needle, bronze bush main bearings, ABC type piston/cylinder construction and comes complete with an 871 silencer. Ideal for small trainers and sports models. Ł44.99
O.S.MAX-15LA This is an ideal engine for small models and gliders, compact yet powerful. Rear needle valve and a stunning blue finish with a super quiet 871 muffler. Ł53.99
O.S.MAX-25FX A side exhaust engine suitable for many types of small R/C aircraft. A sturdy distinctively designed engine, featuring a twin ball raced crankshaft, rear mounted needle and comes complete with an 892 silencer. Designed to be used with 9" x 5" to 10" x 6" propellers. Ł82.99
O.S.MAX-25LA The new 25LA replaces the FP. It has all the design advantages of the new LA series -the 'safety' needle valve assemble, extended crankshaft and the unique blue finish. Comes complete with silencer. Ł58.99
O.S.MAX-32SX This engine is ideal for small aerobatic sport and scale models. Typical top quality twin ball raced O.S.engine with rear mounted needle valve assembly, supplied with silencer . Designed to be used with 10" x 6" to 11" x 6" propellers. Comes complete with silencer. Ł98.99
O.S.MAX-40LA This was the first engine in the LA series. Designed for medium sized trainers and sports models. The 40LA features a remote needle valve and a distinct rich blue finish. Comes complete with silencer.. Ł61.99
O.S.MAX-40FX Designed for medium sized sport, aerobatic and scale models, the bigger brother to the 25FX, this engine features a square cylinder head with a larger fin area to give improved cooling, a remote needle valve assembly mounted on the back plate to keep fingers away from the pinning propeller when making adjustments, and an easy to operate carburettor. Designed to be used with 10 x 6" to 11" x 6-7" propellers. Ł103.99
O.S.MAX-46LA Physically identical to the 40LA but with 20% increase in power and only 3grammes heavier, so ideal for the model that has ended up a little bit heavy. Comes complete with a very effective E-3030 silencer. Ł69.50
O.S.MAX-46 FX Big brother to the 40FX that gives a useful increase in power and a reduction in overall weight, featuring large fin area and cylinder head to give improved cooling. Rear mounted remote needle assembly. Uses 10 to 12" propellers. Comes complete with silencer. Ł116.99
O.S.MAX-61 FX The 61 FX offers high levels of performance and durability plus the easy handling qualities of O.S.Engines. Competitively priced with O.S. ring less piston/liner. Uses 12" to 13" propellers. Comes complete with silencer. Ł148.99
O.S.MAX-65LA The biggest engine in the LA range. Like other LA engines the 65LA features the rear safety needle valve but for additional strength it is mounted on a metal bracket. This engine offers an amazing level of performance from fairly modest external dimensions. Comes complete with silencer. Ł116.99
OS MAX-91FX Sharing the same mounting patterns as the 61 FX, the new 91 FX offers 47% more power with little weight penalty. In common with other FX series engines, the 91 uses rear safety needle valve. Comes complete with silencer. Competitively priced at. Ł170.99
OS MAX-108FSR This high performance 17.83 cc engine is ideal for large scale and sport models. The 108 FSR uses a ringed piston and twin ball raced crankshaft . Supplied with 855 silencer. Uses 14" to 18" propellers, and capable of 3.0bhp at 16,000 rpm. Ł247.99
OS MAX-140RX Designed for F3A aerobatic competition. The Max 140 RX produces 3.5 bhp. Fitted with new type 70A carburettor and matching PD 06 fuel pump. The engine receives even fuel delivery and smooth throttle response irrespective of the aircraft's attitude. Designed for use with tuned pipe (not supplied) and 15" to 16" propellers. Ł359.95
OS MAX-BGX 1 The largest single cylinder engine in the O.S. range, the BGX 1 is smoother running and of a more compact size than equivalent capacity gasoline engines. Compact with lightweight and easy operation. he BGX produces 4.1 bhp at 10,000 rpm. Uses 18" to 20" propellers. Supplied with E5010 silencer and cast engine mount. Ł314.95

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