Black Devil 172cc
  • Black Devil 172cc

    Technical Features
    Single cylinder air cooled
    Two stroke
    Bore 65 mm
    Stroke 52 mm
    Total displacement 172.5 cc
    Compression ratio 11:1
    Fuel delivery to the crankcase: four blade reed-valve system connected to the crankcase
    Diaphragm carburettor WB37
    Reducer with Poly V belt available in 1:2.2, 1: 2.3, 1: 2.5, 1: 2.6, 1: 2.7, 1: 2.88
    Continuous operating temperature 180° C, maximum temperature 230° C
    Engine mounting: by 5 shock absorbing rubber mounts
    Propeller rotation: counterclockwise
    Maximum RPM 7900 RPM
    Spark plug 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. Flaps in 2 segments, 1.2 mm S10 chrome-plated semitrapezoidal cast iron.
    Head in die cast aluminium alloy with 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

      Engine Variant

      © 2018 by Power2FlyUsa

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