FS-120S III (70N) W/F-5020 SILENCER

FS-120S III (70N) W/F-5020 SILENCER

OS35540
Temporary Out-of-Stock
€527.22
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Description

Classic four-stroke O.S. engines The FS-Surpass MAX Series is a proven, highly reliable and powerful powertrain for years, making it the world's first choice for modellers and aerobatic models. As a result, you can benefit from a diverse range of kits and building plans for model aircraft designed for O.S. engines in recent decades.

  • The double needle carburetor Type 70N with pressure regulator and fuel pump PD-07 ensures highly reliable, stable and regular operation over the entire rev range and acrobatic turns; as well as easy engine adjustment.
  • The carburetor can be rotated 180 ° to direct the main needle and carburetor lever to the other side to facilitate installation in the dummy engine covers.
  • The crankshaft, the camshaft and the piston ring have a special corrosion-resistant coating.
  • Special ball bearings with grease filling and double seal.
  • The larger volume expansion damper provides effective damping and gives the engine a deep soft sound.

The FS 120 SIII is a four-stroke valve engine designed for aircraft of all kinds; is especially suitable for RC models and aerobatic models. It is fitted with a double needle carburetor type 70N with pressure regulator and fuel pump PD-07. Expansion muffler F-5020 is also supplied as standard. It is also possible to use flexible reducers ('gooseneck') with a length of 120 to 240 mm, which are particularly suitable for concealed installation inside the engine cover of dummies.

    The crankshaft has a thread for the UNF 5 / 16-24 propeller nut, and the O.S. for reliable propeller mounting.

  • Propeller proportions: Sport and Aerobatic: 13x11-13 “, 14x10-11“ / Model: 15x8 “, 16x6-8“, 18x5-6 “or three-blade 14x7“, 15x8 “
  • Recommended fuel tank: 450-500 ml; The 450 ml tank is sufficient for about 14-15 minutes of flight, provided that you are not still on full throttle.
  • Recommended fuel: at least 18% castor or synthetic oil, 5-15% nitromethane.
  • Recommended spark plug: O.S. MAX typ F.

Engine set includes: FS 120 SIII engine with RC carburetor 70N with pressure regulator and fuel pump PD-07, muffler F-5020, operating instruction manual.

Displacement [ccm]19.96
Cylinder count1
Bore [mm]30.4
Stroke length [mm]27.5
Operating RPM [ot./min]2000 - 12000
Motor power (při 12000 ot./min) [kW]1.54
Power (při 12000 ot./min) [HP]2.1
Weight (motor) [g]920
Weight (tlumič) [g]80
Recommended tank volume [ml]450 - 500
Recommended spark plugO.S. MAX Typ F
Propeller nut threadUNF 5/16-24

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