BLACK DEVIL PRO ENGINE
$2,440.00
Version developed for the motorization of paramotors and trike for big pilots. Simple maintenance with common tools. It is the lighter and natural evolution of the M25 with a shape refined in great detail: same reliability, less weight, better performance. Thrust displayed 76 kg with propeller of 130 cm, 78/80 kg with propeller of 140 cm.
Description
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
Manual starter included (available also as hybrid version)
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
Additional information
| Weight | 50 lbs |
|---|---|
| Engines | Manual Start OR Electric Start, Manual Start + Clutch, Dual Start |
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