Cors-Air Black Devil

Black Devil – Hand Start: Power in Your Hands The Hand Start version of the Black Devil is developed for the motorization of paramotors and trikes, catering to big pilots. It boasts simple maintenance with common tools, representing a lighter and refined evolution of the M25. With meticulous detailing, it ensures the same reliability, less weight, and improved performance. The thrust displayed is 76 kg with a propeller of 130 cm and 78/80 kg with a propeller of 140 cm.

Black Devil – Electric Start: Effortless Power, Anytime Starting up becomes a breeze, even in flight, thanks to the application of the electric starter. This version, like its hand start counterpart, is designed for the motorization of paramotors and trikes for larger pilots. With straightforward maintenance using common tools, it continues the legacy of the M25, offering the same reliability, reduced weight, and enhanced performance. The thrust displayed is 76 kg with a propeller of 130 cm and 78/80 kg with a propeller of 140 cm.

Black Devil – Clutch: Smooth Operations Equipped with a centrifugal clutch, the Black Devil Clutch version eases every pre-flight operation with the propeller stopped and the engine running. Tailored for the motorization of paramotors and trikes for big pilots, this version ensures simple maintenance with common tools. It represents a lighter and natural evolution of the M25, maintaining the same reliability while reducing weight and enhancing performance. The thrust displayed is 76 kg with a propeller of 130 cm and 78/80 kg with a propeller of 140 cm.

Technical Features:

• Single cylinder air-cooled engine
• Two-stroke powerhouse
• Bore: 65 mm, Stroke: 52 mm
• Total displacement: 172.5 cc
• Compression ratio: 11:1
• Four-blade reed-valve system for fuel delivery to the crankcase
• Diaphragm carburetor WB37
• Reducer with Poly V belt available in various ratios
• Continuous operating temperature: 180° C, maximum temperature: 230° C
• Engine mounting: Five shock-absorbing rubber mounts
• Propeller rotation: Counterclockwise
• Maximum RPM: 7900 RPM
• Spark plug options: NGK B9ES – NGK B9ERS – DENSO W27ESR-U

Structural Features:

• Crankcases molten in G-Al Si 9 UNI 3051 alloy subsequently treated
• Six-port distribution system
• Cylinder in light silicon alloy with Cermetal protective coating
• Piston with ultra-light structure reinforced with side flaps for heat dispersion
• Head in die-cast aluminum alloy with a high percentage of silicon and concentric combustion chamber, calculated squish
• Drive shaft in 18 Ni Cr Mo5 with 5 thermic treatments on every component
• Connecting rod in copper-plated steel 18Ni Cr Mo 5 joined to the drive shaft through very precise high-speed silver-plated roller bearings
• Roller bearings fit for high-speed class C3
• Seal ring in Witon with very high resistance and long duration

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