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RCV130-CD - 1.3 cu in / 21 cc
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CD Cross Section
Recommended Fuel 10% Nitro / Prosynth 2000 fuel
The RCV - rotary cylinder valve four stroke engine represents a major advance in model engine design. Although its moving components (piston, crank, cylinder and rotary valve) are totally conventional, they are arranged in a radically novel configuration to provide the aero modeller with several key benefits, whilst having similar handling characteristics to other 4-stroke model engines:-
CD Series Feature

Ultra Compact Design - over 1" shorter than conventional 52 4-stroke engines
Low Noise - Unique Real Engine Sound
Uses Conventional Propellers Sizes
Can be mounted inverted
Low Maintenance
Easy to Tune
2-Year Guarantee
Low Cost Spares
Suitable for modellers of all skill levels
The RCV 4-cycle engine has only one more moving component than a 2-cycle engine -the rotating cylinder itself. The cylinder is suspended between two bearings which allow it to rotate freely around the piston; the piston, and crank are entirely conventional. A gear formed around the base of the cylinder meshes with a gear on the crank. As the piston reciprocates and the crank turns, the cylinder rotates around the piston.
At the top end of the rotating cylinder there is a single port leading to the combustion chamber. This is surrounded by a fixed timing ring with three radially arranged ports; inlet, ignition and exhaust. This simple valve arrangement serves the combustion chamber as the engine cycles through the conventional 4-cycles: induction, compression, power and exhaust. Ignition is achieved through a standard 4-cycle glow plug exposed once only during each complete cycle.
The rotating cylinder is effectively combined with the rotary valve in a single component hence - RCV - Rotating Cylinder Valve.
Specification
The engine still uses RCV's unique rotary valve system - which has only one extra moving component to a 2-stroke and so is easy to maintain. This ultra-compact engine is the same height as a conventional .52 4-stroke engines (or .60 2-strokes) which makes cowling much easier than other 4-strokes
Retail Price: 254.34
The engine still uses RCV's unique rotary valve system - which has only one extra moving component to a 2-stroke and so is easy to maintain. This ultra-compact engine is even shorter than conventional .90 4-stroke engines, so once again cowling will be much easier than other 4-strokes.
So if you are looking for a reliable, easy to use 4-stroke engine, that is easy to cowl and sounds like the 'real thing' then the RCV130-CD engine is a perfect option to power your 90 - 120 size model.
Imperial Metric Manufacture Die Cast
Engine Type 4-stroke - Glow ignition
Displacement 1.3 cu inch 21.3 cc
Max Power (approx.) 2 bhp 1.5 kw Weight (exc. silencer) 35 oz 995 g Length 5.35 inch 136 mm
Height - centre line axis 3.7 inch 95 mm CowlingRadius
Propeller shaft diameter 5/16" UNF
Practical RPM range @ prop 2,400 - 10,000 rpm
Example prop sizes (2-blade) 15x8
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 RCV 130CD 4- STROKE