Art.Nr.:
Hersteller:OS

O.S.SPEED 91HZ-R 3D HELI

kaum zu glauben - ER IST WIEDER DA - der 91HZ-R 3D OS SPEED (Factory Tuned) d er DRS Powermotor in 90er Bauweise (passt in alle 90er Nitro Helis) mit sagenhaften 3,6 PS und Regulatorsystem,

- für alle Nitroflieger -
Lieferbar!
Lieferzeit: 
 
kleine Menge

 O.S.SPEED 91HZ-R 3D HELI Powermotor  os-engine-logopng.png

  • FACTORY TUNED ENGINE
  • 90er- Heli Klasse (650-750)
  • Triebwerk hat einen Hubraum von 14,9Kubikzentimetern
  • Gewicht von 603 Gramm
  • Leistung von 3,6 PS
  • Das DRS (Demand Regulator System) sorgt für konstante Kraftstoffversorgung – auch bei wildesten Manövern.

Technische Daten:os-speed-91hz-r-3d.jpg

  • Breite [mm]: 61
  • Drehzahlbereich ca.: 2000 – 16500
  • Gesamtgewicht [g]: 603
  • Höhe ca. [mm]: 100,5
  • Hubraum [ccm]: 14,9
  • Länge bis Nabe: 82,6
  • Leistung kW (PS) bei: 3,6 PS 15500
  • benötigt mind. 10%-30% Nitro Sprit mit mind. 18% Öl
OVERVIEW:
This is the O.S. .91 HZ-R 3D Speed Competition 3D Helicopter Engine, with 61G carburetor. O.S. has taken high-performance, high-speed helicopter engines to the next stage of evolution with the introduction of the 91HZ-R 3D Speed. This engine offers unique features that give pilots a distinct advantage in 3D competition, like the Demand Regulator System, which supplies the carburetor with a consistent fuel supply regardless of the level of fuel in the tank, or the attitude of the helicopter. A re-designed combustion chamber has been shaped to match the big bore carburetor and advanced exhaust cylinder timing providing optimum performance, while the lightweight, CNC machined cooling head and black anodized crankcase provides efficient cooling in the harshest conditions.
 
FEATURES:
Designed for all-out, aggressive 3D competition.
Offers incredibly stable mid-range torque for awesome 3D flight
Carburetor inlet enlarged to 11.2 mm
Exhaust port timing set at 165°
Combustion chamber shaped to match the big bore carburetor and advanced exhaust cylinder timing
Demand Regulator System (DRS) guarantees a steady fuel supply to the carb at any attitude, on a full or empty tank and during the most abrupt throttle changes
Lightweight, machined cooling head
Crankshaft counter weight has been modified to reduce vibration at high RPM
Black anodized crankcase offers better heat dissipation
 
Specifications:
Displacement: 0.91 cu in (14.9cc)
Bore: 1.09 in (27.7mm)
Stroke: 0.98 in (24.8mm)
Output: 3.6 hp @ 15,500 rpm
Practical RPM: 2,000-16,500
Weight: 21.2 oz (603g)
Requirements: 10%-30% nitro fuel with at least 18% lubricant content
 

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