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REDS Racing 721 Scuderia


REDS Racing is excited to introduce a new generation nitro off-road engines called S Line. The first engine of the S Line is a 7 ports 3.5cc off-road engine called REDS Racing 721 S Scuderia. Why a new line of buggy engines? REDS is always striving to innovate. This means investment into new core technologies. Drawing from the rich experience gained through competing on the world’s best RC tracks with the best drivers in the world, our goal is to deliver quality products that are built with passion. The new S line does this. What are the tech specs? The new 721 S Scuderia features high reliability, tuning stability and great fuel mileage. Combined with specific technical changes in the porting and new materials, this 7 port engine features higher power and better fuel efficiency compared to any REDS engine released from REDS. +10% TORQUE During testing we found the new engine is able to provide 10% more torque, making it suitable for both Buggy and Truggy.

OVER 9 MIN RUN TIME The 721 S Scuderia has proved to guarantee over 9 minutes runtime in recent competitions and tests thanks to new materials and coatings.

What is new and different? To make it simple REDS Racing’s new generation engines will be produced with different materials, from different suppliers and with new technologies. All assembled in-house. New Crankcase design: REDS Racing S line features a new and unique high stiffness crankcase design. It is all new materials and casting technology. The engine is produced with pressure die casting, this is a very high quality process. Previous generation R line crankcase was with gravity casting.

New Carburetor and venturi: Another big improvement is the brand new aluminum carburetor made from pressure die casting. We have decided to change carburetor materials from plastic to aluminum to further improve idle stability and tuning. On a technical note, the new carburetor is 30° inclined for better fluid dynamics to increase engine power. Finally, the new carburetor has an insulator to reduce carburetor temperature and increase idle stability at high temperatures. New Clamping System: the new carburetor retainer allows better blocking of the carburetor without damaging the plastic bush thus guaranteeing better reliability and less maintenance. New Materials: 721 Scuderia features new materials for piston, sleeve and crankcase in order to optimize thermal expansion and improve power. The idea was to develop a high power engine even more powerful than WRX and WR7 engines with exceptional fuel mileage. We have achieved it. New 7 Ports Sleeve: New high torque 7 ports sleeve for improved torque and power output. New manifolds and X-One Pipes have been specifically developed for the S line.

SPECIFICATIONS

Category: 1/8 Buggy and Truggy Displacement [cm^3]: 3,5 Bore [mm]: 16,24 Stroke [mm] 16,8 Inlet ports: 7 Outlet ports: 1 Crankshaft: balanced with low friction DLC Coating Backplate: aluminum with low friction DLC Coating Front ball bearing: 7x19x6 rubber seal made in Japan Rear ball bearing: 14x25,4x6 Swiss made ceramic Carburetor diameter [mm]: 7.0 stock (6.0, 6.5, 7.5 and 8.0 optional) Carburetor: VCX2-A aluminum (2 needles) Weight [g]: 345 Fuel consumption: >9:00 min Engine temperature: 110-130°C (depending on air temperature) Recommended Glow plug: REDS TS3 Recommended pipe: REDS 2143 + M Recommended fuel: 25-30% nitro, 8-10% oil Break-in fuel: 12% oil

Item Codes: ENBU0021 > 721 S SCUDERIA, 7 ports 3.5cc engine COBU0010 > COMBO 721 S SCUDERIA with 2143 X-ONE TORQUE Pipe CL210002 > MANIFOLD REDS 3.5CC BUGGY SINGLE BEND XL, S SERIES CL210003 > MANIFOLD REDS 3.5CC BUGGY SINGLE BEND L, S SERIES CL210004 > MANIFOLD REDS 3.5CC BUGGY SINGLE BEND M, S SERIES CL210005 > MANIFOLD REDS 3.5CC BUGGY SINGLE BEND S, S SERIES KM210011 > PIPE 2143 BUGGY + MANIFOLD M KIT 3.5CC BUGGY, S SERIES KX210007 > X-ONE PIPE 2143 TORQUE M KIT 3.5CC BUGGY, S SERIES

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