Precio: 49.90E, O.S. Engine 25403000 Cylinder & Piston .40 SF ABC, This is the Replacement ABC Piston and Cylinder (aka sleeve or cylinder liner) for the O.S; .40 SF ABC.
O.S. Engines 25603010 Cylinder and Piston for .46 FX Engine
This is the Replacement ABC Piston and Cylinder (aka sleeve or cylinder liner) for the O.S; .46 FX engines.
IN STOCK
Displacement: .213 cu in (3.49 cc) Bore: .641 in (16.27 mm) Stroke: .661 in (16.8 mm) Practical RPM: 3,000-41,500 Power Output: 2.7 hp @ 34,000 rpm Weight: 12.77 oz (362 g)Includes: 2282 carburetor, 6 mm and 7 mm carb restrictors, P3 glow plug, exhaust seal and dust cap set Requires: glow fuel, muffler, tuned pipe and manifold
The O.S. Engine 25FX II is a high performance side exhaust aero engine that is suitable for many styles of small R/C aircraft such as sport, scale, aerobatic and even .25 class pylon racers.
The 25FX II uses a direct needle 21L carburettor for excellent usability and a 892 silencer with adjustable exhaust direction.
Specification:Weight: 260gr.Capacity: 4.07ccBore: 18mmStroke: 16mmPower Output: 0.84 ps (0.83 hp)Practical RPM: 2,500 - 19,000
Technical specifications:- displacement 3.49cc- bore 16.27mm- stroke 16.80mm- rpm 4000-42000 rpm- max output 2.64hp/34000 rpm- weight 347gr- recommended exhaust T2100SC- port 3-port
Includes the OS T2100SC exhaust system
O.S. Speed R21GT engine for the 1/8th GT on-road classes. Designed with the forthcoming 1/8th GT IFMAR World Championship in mind, the engine builds on the proven R2101 crankcase which was refined as was the 5+3 ports liner and piston to meet current IFMAR rules.
Tech specifications:- Displacement: 3.49 cc- Bore: 16.08mm- Stroke: 17.20mm- Intake ports: 5-port- Exhaust port: 3-port
Combo of the O.S. Speed R21GT engine with the T-2060SC + MB01-70 (M2003SC) exhaust system for the 1/8th GT on-road classes.
Designed with the forthcoming 1/8th GT IFMAR World Championship in mind, the engine builds on the proven R2101 crankcase which was refined as was the 5+3 ports liner and piston to meet current IFMAR rules.
Tech specifications:- Displacement: 3.49 cc- Bore: 16.08mm- Stroke: 17.20mm- Intake ports: 5-port- Exhaust port: 3-port
This is the competition nitro engine OS Speed B21 ADAM DRAKE EDITION II realized with the collaboration of Adam Drake.
Features:- Designed according to Adam Drake's advice and taste.- New design cylinder liner with new porting.- New design crankshaft with double tungsten counterweight- New bore x stroke (see the attached specifications)- Carburetor reducers are 6.5mm and 8.0mm to suit both powerful drive and fuel economy drive OS SPEED 5. P3 GOLD plug is used for more consistent idling.